🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.52 AU - 0.78 AU

Year: 223 Days

Day: 42.3 Hours

Environment

Temp: 13 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.64 AU - 0.7 AU

Year: 233 Days

Day: 22.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,088,903 km

• M1: 31,116 km (0.035 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.55 AU - 0.83 AU

Year: 243 Days

Day: 46.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 141.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 86,088,903 km

• M1: 69,713 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.7 AU - 1.12 AU

Year: 369 Days

Day: 24.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.02 AU - 1.42 AU

Year: 572 Days

Day: 17.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.1

Radius: 8.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.09 AU - 3.21 AU

Year: 2374 Days

Day: 6.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 86,088,903 km

• M1: 117,584 km (0.117 R)
• M2: 227,389 km (0.111 R)
• M3: 310,116 km (0.069 R)
• M4: 454,628 km (0.071 R)
• M5: 532,568 km (0.063 R)
• M6: 803,341 km (0.073 R)
• M7: 900,130 km (0.066 R)
• M8: 1,001,109 km (0.102 R)
• M9: 1,114,953 km (0.091 R)
• M10: 1,462,618 km (0.117 R)
• M11: 1,623,137 km (0.109 R)
• M12: 1,789,639 km (0.097 R)
• M13: 1,842,896 km (0.093 R)
• M14: 1,950,906 km (0.119 R)
• M15: 2,027,799 km (0.086 R)
• M16: 2,083,450 km (0.073 R)
• M17: 2,139,549 km (0.048 R)
• M18: 2,207,466 km (0.09 R)
• M19: 2,264,762 km (0.077 R)
• M20: 2,334,026 km (0.09 R)
• M21: 2,510,551 km (0.085 R)
• M22: 2,691,565 km (0.09 R)
• M23: 2,765,167 km (0.065 R)
• M24: 3,246,872 km (0.042 R)
• M25: 3,325,411 km (0.09 R)
• M26: 3,605,159 km (0.089 R)
• M27: 4,088,211 km (0.036 R)
• M28: 4,187,244 km (0.073 R)
• M29: 4,301,537 km (0.101 R)
• M30: 4,387,855 km (0.03 R)
• M31: 4,665,210 km (0.093 R)
• M32: 4,753,921 km (0.107 R)
• M33: 4,813,461 km (0.053 R)
• M34: 5,499,966 km (0.065 R)
• M35: 5,830,727 km (0.115 R)
• M36: 5,990,647 km (0.032 R)
• M37: 6,200,533 km (0.099 R)
• M38: 6,380,200 km (0.102 R)
• M39: 6,811,341 km (0.05 R)
• M40: 6,979,788 km (0.047 R)
• M41: 7,115,473 km (0.029 R)
• M42: 7,200,744 km (0.102 R)
• M43: 7,649,687 km (0.108 R)
• M44: 7,965,787 km (0.067 R)
• M45: 8,125,558 km (0.087 R)
• M46: 8,610,853 km (0.09 R)
• M47: 8,958,070 km (0.101 R)
• M48: 9,384,574 km (0.111 R)
• M49: 9,440,673 km (0.039 R)
• M50: 9,628,568 km (0.082 R)
• M51: 9,685,265 km (0.06 R)
• M52: 9,969,950 km (0.114 R)
• M53: 10,605,891 km (0.113 R)
• M54: 10,664,383 km (0.112 R)
• M55: 10,820,863 km (0.082 R)
• M56: 10,997,837 km (0.093 R)
• M57: 11,314,685 km (0.079 R)
• M58: 11,775,596 km (0.1 R)
• M59: 12,120,120 km (0.066 R)
• M60: 12,488,580 km (0.116 R)
• M61: 12,612,297 km (0.078 R)
• M62: 12,798,547 km (0.072 R)
• M63: 12,923,162 km (0.073 R)
• M64: 13,089,963 km (0.109 R)
• M65: 13,425,811 km (0.096 R)
• M66: 13,531,427 km (0.105 R)
• M67: 13,679,678 km (0.1 R)
• M68: 13,828,378 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.6

Radius: 8.8

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.85 AU - 3.81 AU

Year: 2580 Days

Day: 5.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 86,088,903 km

• M1: 111,151 km (0.099 R)
• M2: 454,927 km (0.108 R)
• M3: 571,763 km (0.113 R)
• M4: 827,575 km (0.082 R)
• M5: 904,469 km (0.065 R)
• M6: 1,055,563 km (0.038 R)
• M7: 1,270,086 km (0.069 R)
• M8: 1,440,328 km (0.041 R)
• M9: 1,498,821 km (0.066 R)
• M10: 1,866,682 km (0.044 R)
• M11: 2,008,501 km (0.074 R)
• M12: 2,180,838 km (0.085 R)
• M13: 2,289,446 km (0.096 R)
• M14: 2,526,110 km (0.083 R)
• M15: 2,597,318 km (0.065 R)
• M16: 2,829,494 km (0.084 R)
• M17: 2,903,545 km (0.107 R)
• M18: 3,068,552 km (0.063 R)
• M19: 3,205,882 km (0.091 R)
• M20: 3,423,697 km (0.064 R)
• M21: 4,072,503 km (0.082 R)
• M22: 4,257,555 km (0.08 R)
• M23: 4,601,331 km (0.04 R)
• M24: 4,688,696 km (0.112 R)
• M25: 5,025,591 km (0.083 R)
• M26: 5,115,499 km (0.11 R)
• M27: 5,278,860 km (0.111 R)
• M28: 5,685,467 km (0.086 R)
• M29: 5,835,813 km (0.101 R)
• M30: 6,025,653 km (0.084 R)
• M31: 6,548,198 km (0.112 R)
• M32: 6,964,828 km (0.084 R)
• M33: 7,065,358 km (0.048 R)
• M34: 7,492,609 km (0.074 R)
• M35: 7,554,393 km (0.103 R)
• M36: 7,844,613 km (0.113 R)
• M37: 8,436,273 km (0.081 R)
• M38: 8,629,404 km (0.085 R)
• M39: 8,824,180 km (0.097 R)
• M40: 8,889,405 km (0.038 R)
• M41: 8,954,779 km (0.12 R)
• M42: 10,000,019 km (0.038 R)
• M43: 10,387,627 km (0.078 R)
• M44: 10,456,442 km (0.095 R)
• M45: 10,780,023 km (0.101 R)
• M46: 11,914,274 km (0.081 R)
• M47: 12,349,454 km (0.071 R)
• M48: 12,814,404 km (0.095 R)
• M49: 13,434,786 km (0.08 R)
• M50: 13,862,337 km (0.11 R)
• M51: 14,422,282 km (0.098 R)
• M52: 14,601,949 km (0.1 R)
• M53: 14,911,766 km (0.065 R)
• M54: 15,015,587 km (0.081 R)
• M55: 15,223,827 km (0.05 R)
• M56: 15,432,965 km (0.064 R)
• M57: 15,590,492 km (0.114 R)
• M58: 15,748,617 km (0.113 R)
• M59: 15,827,754 km (0.115 R)
• M60: 15,907,190 km (0.069 R)
• M61: 16,013,106 km (0.107 R)
• M62: 16,146,098 km (0.103 R)
• M63: 16,225,983 km (0.059 R)
• M64: 16,439,609 km (0.104 R)
• M65: 16,842,775 km (0.085 R)
• M66: 17,086,321 km (0.119 R)
• M67: 17,303,687 km (0.056 R)
• M68: 17,412,743 km (0.067 R)
• M69: 17,796,312 km (0.083 R)
• M70: 18,154,898 km (0.049 R)
• M71: 18,321,251 km (0.066 R)
• M72: 18,376,752 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.6

Radius: 4.3

Gravity: 52.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.84 AU - 13.34 AU

Year: 15681 Days

Day: 18.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 86,088,903 km

• M1: 55,800 km (0.109 R)
• M2: 214,673 km (0.115 R)
• M3: 571,015 km (0.105 R)
• M4: 635,193 km (0.119 R)
• M5: 940,671 km (0.108 R)
• M6: 1,175,989 km (0.054 R)
• M7: 1,792,182 km (0.115 R)
• M8: 2,082,552 km (0.062 R)
• M9: 2,457,145 km (0.057 R)
• M10: 2,634,269 km (0.058 R)
• M11: 2,926,134 km (0.095 R)
• M12: 3,461,695 km (0.116 R)
• M13: 3,740,545 km (0.099 R)
• M14: 3,781,086 km (0.053 R)
• M15: 3,985,437 km (0.08 R)
• M16: 4,663,564 km (0.044 R)
• M17: 4,926,856 km (0.101 R)
• M18: 5,240,264 km (0.081 R)
• M19: 5,560,104 km (0.074 R)
• M20: 5,745,755 km (0.098 R)
• M21: 5,886,227 km (0.078 R)
• M22: 6,218,634 km (0.103 R)
• M23: 6,459,786 km (0.083 R)
• M24: 7,100,962 km (0.106 R)
• M25: 7,302,321 km (0.051 R)
• M26: 8,073,947 km (0.087 R)
• M27: 9,033,617 km (0.108 R)
• M28: 10,254,784 km (0.043 R)
• M29: 10,596,616 km (0.116 R)
• M30: 11,058,275 km (0.114 R)
• M31: 11,703,789 km (0.081 R)
• M32: 12,301,283 km (0.065 R)
• M33: 13,900,335 km (0.091 R)
• M34: 13,963,016 km (0.105 R)
• M35: 15,238,638 km (0.031 R)
• M36: 16,817,942 km (0.092 R)
• M37: 19,563,063 km (0.117 R)
• M38: 19,633,374 km (0.119 R)
• M39: 19,845,055 km (0.105 R)
• M40: 21,420,321 km (0.076 R)
• M41: 22,738,727 km (0.104 R)
• M42: 23,407,728 km (0.031 R)
• M43: 24,613,038 km (0.087 R)
• M44: 24,841,175 km (0.089 R)
• M45: 27,555,180 km (0.084 R)
• M46: 27,634,167 km (0.086 R)
• M47: 28,109,141 km (0.103 R)
• M48: 31,757,085 km (0.063 R)
• M49: 31,839,812 km (0.108 R)
• M50: 33,593,847 km (0.067 R)
• M51: 33,678,221 km (0.084 R)
• M52: 33,762,594 km (0.084 R)
• M53: 33,931,639 km (0.099 R)
• M54: 35,207,709 km (0.109 R)
• M55: 35,379,148 km (0.094 R)
• M56: 35,980,981 km (0.087 R)
• M57: 38,598,644 km (0.068 R)
• M58: 39,129,417 km (0.103 R)
• M59: 41,367,102 km (0.078 R)
• M60: 41,457,460 km (0.116 R)
• M61: 42,546,981 km (0.112 R)
• M62: 42,912,299 km (0.086 R)
• M63: 45,591,447 km (0.071 R)
• M64: 46,809,922 km (0.088 R)
• M65: 47,565,092 km (0.081 R)
• M66: 48,514,739 km (0.119 R)
• M67: 48,705,327 km (0.083 R)
• M68: 50,432,584 km (0.092 R)
• M69: 51,012,724 km (0.053 R)
• M70: 51,206,603 km (0.08 R)
• M71: 51,303,543 km (0.11 R)
• M72: 51,400,781 km (0.07 R)
• M73: 51,497,870 km (0.091 R)
• M74: 52,179,737 km (0.057 R)
• M75: 54,539,943 km (0.042 R)
• M76: 54,638,977 km (0.116 R)
• M77: 57,639,611 km (0.075 R)
• M78: 59,669,504 km (0.111 R)
• M79: 59,873,855 km (0.112 R)
• M80: 61,001,524 km (0.047 R)
• M81: 61,207,370 km (0.084 R)
• M82: 62,550,610 km (0.091 R)
• M83: 63,694,734 km (0.067 R)
• M84: 63,799,154 km (0.082 R)
• M85: 64,636,004 km (0.093 R)
• M86: 65,371,278 km (0.052 R)
• M87: 67,487,339 km (0.114 R)
• M88: 67,700,217 km (0.069 R)
• M89: 69,410,869 km (0.086 R)
• M90: 69,625,691 km (0.114 R)
• M91: 69,733,252 km (0.118 R)
• M92: 70,056,084 km (0.045 R)
• M93: 70,487,375 km (0.102 R)
• M94: 70,595,235 km (0.082 R)
• M95: 71,677,725 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.7

Radius: 5.9

Gravity: 25.87 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 12.77 AU - 14.17 AU

Year: 20991 Days

Day: 21.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 86,088,903 km

• M1: 200,910 km (0.093 R)
• M2: 354,098 km (0.088 R)
• M3: 454,927 km (0.107 R)
• M4: 921,972 km (0.101 R)
• M5: 1,875,509 km (0.117 R)
• M6: 2,434,556 km (0.094 R)
• M7: 2,631,875 km (0.07 R)
• M8: 3,041,923 km (0.105 R)
• M9: 3,211,417 km (0.05 R)
• M10: 3,693,721 km (0.095 R)
• M11: 4,245,438 km (0.072 R)
• M12: 4,339,984 km (0.077 R)
• M13: 6,049,289 km (0.088 R)
• M14: 6,917,705 km (0.095 R)
• M15: 7,140,905 km (0.059 R)
• M16: 8,057,192 km (0.079 R)
• M17: 8,291,911 km (0.086 R)
• M18: 9,437,830 km (0.069 R)
• M19: 10,889,827 km (0.097 R)
• M20: 12,749,329 km (0.096 R)
• M21: 12,954,428 km (0.034 R)
• M22: 13,506,444 km (0.041 R)
• M23: 14,776,230 km (0.096 R)
• M24: 15,207,970 km (0.116 R)
• M25: 15,280,375 km (0.047 R)
• M26: 16,010,263 km (0.089 R)
• M27: 16,453,522 km (0.118 R)
• M28: 17,201,511 km (0.113 R)
• M29: 19,432,165 km (0.091 R)
• M30: 19,668,081 km (0.104 R)
• M31: 21,184,255 km (0.12 R)
• M32: 22,654,802 km (0.096 R)
• M33: 23,319,017 km (0.11 R)
• M34: 23,569,743 km (0.074 R)
• M35: 24,496,502 km (0.065 R)
• M36: 25,865,921 km (0.114 R)
• M37: 27,347,837 km (0.063 R)
• M38: 28,232,409 km (0.071 R)
• M39: 29,036,498 km (0.083 R)
• M40: 29,216,165 km (0.11 R)
• M41: 30,393,201 km (0.12 R)
• M42: 30,758,519 km (0.038 R)
• M43: 31,309,189 km (0.098 R)
• M44: 31,678,097 km (0.119 R)
• M45: 32,420,402 km (0.087 R)
• M46: 32,513,452 km (0.089 R)
• M47: 33,262,039 km (0.06 R)
• M48: 34,300,697 km (0.078 R)
• M49: 35,445,719 km (0.067 R)
• M50: 36,506,368 km (0.099 R)
• M51: 39,054,619 km (0.101 R)
• M52: 40,550,597 km (0.092 R)
• M53: 41,356,032 km (0.077 R)
• M54: 41,862,122 km (0.088 R)
• M55: 43,906,975 km (0.067 R)
• M56: 45,775,153 km (0.114 R)
• M57: 47,245,850 km (0.095 R)
• M58: 48,093,322 km (0.119 R)
• M59: 48,199,536 km (0.094 R)
• M60: 49,910,637 km (0.106 R)
• M61: 50,018,198 km (0.042 R)
• M62: 50,449,339 km (0.057 R)
• M63: 50,881,826 km (0.081 R)
• M64: 51,968,206 km (0.102 R)
• M65: 53,062,215 km (0.089 R)
• M66: 55,272,972 km (0.107 R)
• M67: 56,277,672 km (0.06 R)
• M68: 58,418,268 km (0.054 R)
• M69: 58,872,297 km (0.098 R)
• M70: 60,470,601 km (0.085 R)
• M71: 60,700,234 km (0.032 R)
• M72: 65,468,367 km (0.102 R)
• M73: 66,412,628 km (0.094 R)
• M74: 67,480,458 km (0.082 R)
• M75: 68,195,386 km (0.116 R)
• M76: 69,392,618 km (0.099 R)
• M77: 69,512,745 km (0.109 R)
• M78: 70,114,278 km (0.117 R)
• M79: 70,959,356 km (0.034 R)
• M80: 71,322,580 km (0.118 R)
• M81: 72,050,822 km (0.1 R)
• M82: 74,496,149 km (0.117 R)
• M83: 76,347,872 km (0.114 R)
• M84: 76,595,905 km (0.095 R)
• M85: 76,720,071 km (0.104 R)
• M86: 78,089,789 km (0.111 R)
• M87: 80,474,828 km (0.118 R)
• M88: 83,010,961 km (0.116 R)
• M89: 84,673,592 km (0.077 R)
• M90: 85,702,077 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 19,390 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit