🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.52 AU - 0.66 AU

Year: 164 Days

Day: 19.8 Hours

Environment

Temp: 222 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.71 AU - 0.73 AU

Year: 221 Days

Day: 17 Hours

Environment

Temp: 143 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.9 AU - 1.04 AU

Year: 345 Days

Day: 42.6 Hours

Environment

Temp: 76 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.38 AU - 1.94 AU

Year: 773 Days

Day: 24.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,310,404 km

• M1: 1,284,597 km (0.065 R)

Asteroid Belt

Center: 3.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513

Radius: 9.7

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.36 AU - 5.8 AU

Year: 4767 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 55,310,404 km

• M1: 122,969 km (0.098 R)
• M2: 340,186 km (0.093 R)
• M3: 528,828 km (0.088 R)
• M4: 752,926 km (0.07 R)
• M5: 1,178,831 km (0.072 R)
• M6: 1,261,260 km (0.118 R)
• M7: 1,388,717 km (0.11 R)
• M8: 1,535,473 km (0.089 R)
• M9: 1,781,262 km (0.106 R)
• M10: 2,310,539 km (0.096 R)
• M11: 2,556,927 km (0.096 R)
• M12: 2,647,134 km (0.083 R)
• M13: 2,867,791 km (0.101 R)
• M14: 3,268,564 km (0.088 R)
• M15: 3,366,550 km (0.086 R)
• M16: 3,505,527 km (0.087 R)
• M17: 3,789,164 km (0.115 R)
• M18: 3,892,387 km (0.098 R)
• M19: 4,250,076 km (0.098 R)
• M20: 4,750,929 km (0.11 R)
• M21: 4,907,109 km (0.11 R)
• M22: 5,666,319 km (0.119 R)
• M23: 5,784,501 km (0.082 R)
• M24: 5,903,581 km (0.089 R)
• M25: 6,144,284 km (0.107 R)
• M26: 6,265,757 km (0.075 R)
• M27: 6,860,259 km (0.081 R)
• M28: 7,062,366 km (0.112 R)
• M29: 7,550,504 km (0.062 R)
• M30: 7,838,031 km (0.104 R)
• M31: 7,996,455 km (0.106 R)
• M32: 8,262,739 km (0.115 R)
• M33: 8,343,223 km (0.083 R)
• M34: 8,424,006 km (0.099 R)
• M35: 8,913,939 km (0.055 R)
• M36: 9,245,747 km (0.104 R)
• M37: 9,497,370 km (0.091 R)
• M38: 9,864,633 km (0.081 R)
• M39: 10,759,378 km (0.048 R)
• M40: 11,709,923 km (0.12 R)
• M41: 11,951,823 km (0.107 R)
• M42: 12,256,404 km (0.103 R)
• M43: 12,471,226 km (0.114 R)
• M44: 13,154,440 km (0.067 R)
• M45: 13,217,121 km (0.114 R)
• M46: 13,468,895 km (0.064 R)
• M47: 13,722,463 km (0.077 R)
• M48: 14,009,392 km (0.087 R)
• M49: 14,234,088 km (0.08 R)
• M50: 14,686,921 km (0.117 R)
• M51: 14,947,670 km (0.115 R)
• M52: 15,177,302 km (0.094 R)
• M53: 15,342,010 km (0.083 R)
• M54: 15,673,070 km (0.042 R)
• M55: 16,040,033 km (0.091 R)
• M56: 16,241,392 km (0.109 R)
• M57: 16,680,611 km (0.11 R)
• M58: 17,021,096 km (0.091 R)
• M59: 17,226,494 km (0.119 R)
• M60: 17,295,159 km (0.092 R)
• M61: 17,605,276 km (0.096 R)
• M62: 17,674,390 km (0.107 R)
• M63: 18,021,457 km (0.068 R)
• M64: 18,230,894 km (0.05 R)
• M65: 18,335,912 km (0.073 R)
• M66: 18,652,012 km (0.089 R)
• M67: 18,899,148 km (0.095 R)
• M68: 19,468,218 km (0.12 R)
• M69: 21,098,685 km (0.051 R)
• M70: 21,282,541 km (0.118 R)
• M71: 21,763,049 km (0.092 R)
• M72: 21,874,350 km (0.12 R)
• M73: 22,247,148 km (0.103 R)
• M74: 23,225,967 km (0.109 R)
• M75: 23,339,811 km (0.093 R)
• M76: 24,334,338 km (0.089 R)
• M77: 24,836,687 km (0.073 R)
• M78: 25,969,891 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.1

Radius: 4.8

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 12.72 AU - 14.48 AU

Year: 18138 Days

Day: 15.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 55,310,404 km

• M1: 168,746 km (0.117 R)
• M2: 680,521 km (0.101 R)
• M3: 832,213 km (0.073 R)
• M4: 1,036,713 km (0.05 R)
• M5: 1,348,625 km (0.073 R)
• M6: 1,688,212 km (0.12 R)
• M7: 1,841,550 km (0.07 R)
• M8: 1,972,897 km (0.068 R)
• M9: 2,328,491 km (0.048 R)
• M10: 2,413,462 km (0.119 R)
• M11: 2,944,086 km (0.11 R)
• M12: 4,005,932 km (0.094 R)
• M13: 4,073,700 km (0.12 R)
• M14: 4,953,485 km (0.097 R)
• M15: 4,989,987 km (0.094 R)
• M16: 5,026,339 km (0.103 R)
• M17: 5,210,045 km (0.109 R)
• M18: 5,470,944 km (0.1 R)
• M19: 5,584,189 km (0.064 R)
• M20: 5,774,478 km (0.107 R)
• M21: 5,889,668 km (0.038 R)
• M22: 6,636,610 km (0.118 R)
• M23: 7,082,711 km (0.038 R)
• M24: 8,565,076 km (0.066 R)
• M25: 9,318,601 km (0.084 R)
• M26: 10,093,069 km (0.051 R)
• M27: 10,417,996 km (0.107 R)
• M28: 10,652,116 km (0.116 R)
• M29: 10,935,455 km (0.034 R)
• M30: 11,606,102 km (0.112 R)
• M31: 12,142,410 km (0.085 R)
• M32: 12,438,165 km (0.062 R)
• M33: 13,037,155 km (0.087 R)
• M34: 13,087,420 km (0.08 R)
• M35: 13,645,420 km (0.115 R)
• M36: 15,047,451 km (0.08 R)
• M37: 15,206,025 km (0.117 R)
• M38: 15,418,454 km (0.113 R)
• M39: 15,471,561 km (0.115 R)
• M40: 16,603,718 km (0.086 R)
• M41: 16,767,528 km (0.101 R)
• M42: 16,822,281 km (0.111 R)
• M43: 18,889,424 km (0.084 R)
• M44: 19,461,785 km (0.059 R)
• M45: 20,039,832 km (0.052 R)
• M46: 23,073,976 km (0.037 R)
• M47: 23,624,047 km (0.039 R)
• M48: 24,550,507 km (0.064 R)
• M49: 24,924,501 km (0.097 R)
• M50: 25,425,953 km (0.113 R)
• M51: 25,993,976 km (0.118 R)
• M52: 26,438,731 km (0.087 R)
• M53: 26,630,216 km (0.041 R)
• M54: 27,014,383 km (0.092 R)
• M55: 27,917,805 km (0.114 R)
• M56: 28,047,656 km (0.077 R)
• M57: 29,687,997 km (0.083 R)
• M58: 30,486,251 km (0.116 R)
• M59: 32,104,002 km (0.109 R)
• M60: 32,172,069 km (0.115 R)
• M61: 33,818,693 km (0.111 R)
• M62: 34,373,552 km (0.092 R)
• M63: 34,652,252 km (0.103 R)
• M64: 35,562,855 km (0.058 R)
• M65: 35,774,087 km (0.08 R)
• M66: 36,481,236 km (0.108 R)
• M67: 36,552,295 km (0.115 R)
• M68: 37,264,530 km (0.102 R)
• M69: 37,550,711 km (0.029 R)
• M70: 38,125,317 km (0.113 R)
• M71: 39,065,090 km (0.098 R)
• M72: 39,137,795 km (0.088 R)
• M73: 39,574,322 km (0.103 R)
• M74: 39,866,337 km (0.113 R)
• M75: 40,159,100 km (0.076 R)
• M76: 40,893,924 km (0.111 R)
• M77: 41,855,839 km (0.118 R)
• M78: 42,825,233 km (0.038 R)
• M79: 43,049,929 km (0.041 R)
• M80: 43,350,172 km (0.088 R)
• M81: 44,255,239 km (0.091 R)
• M82: 44,330,935 km (0.036 R)
• M83: 44,938,153 km (0.106 R)
• M84: 45,930,585 km (0.097 R)
• M85: 46,775,963 km (0.108 R)
• M86: 47,007,391 km (0.075 R)
• M87: 48,092,574 km (0.084 R)
• M88: 50,920,722 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.1

Radius: 5.6

Gravity: 19.9 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 13.69 AU - 13.91 AU

Year: 18540 Days

Day: 23.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 55,310,404 km

• M1: 139,724 km (0.113 R)
• M2: 224,995 km (0.117 R)
• M3: 298,298 km (0.049 R)
• M4: 783,444 km (0.032 R)
• M5: 924,515 km (0.102 R)
• M6: 1,684,771 km (0.088 R)
• M7: 1,775,278 km (0.11 R)
• M8: 2,218,985 km (0.094 R)
• M9: 2,453,255 km (0.072 R)
• M10: 2,660,449 km (0.118 R)
• M11: 2,981,934 km (0.041 R)
• M12: 3,277,989 km (0.101 R)
• M13: 3,429,531 km (0.062 R)
• M14: 3,583,318 km (0.025 R)
• M15: 4,058,590 km (0.116 R)
• M16: 4,469,536 km (0.108 R)
• M17: 4,765,141 km (0.082 R)
• M18: 4,937,029 km (0.114 R)
• M19: 5,780,462 km (0.079 R)
• M20: 6,242,121 km (0.119 R)
• M21: 7,397,764 km (0.05 R)
• M22: 8,152,934 km (0.077 R)
• M23: 8,409,943 km (0.047 R)
• M24: 10,616,961 km (0.118 R)
• M25: 11,237,792 km (0.095 R)
• M26: 11,466,527 km (0.077 R)
• M27: 12,103,365 km (0.116 R)
• M28: 12,870,653 km (0.075 R)
• M29: 13,775,570 km (0.099 R)
• M30: 14,950,811 km (0.08 R)
• M31: 15,582,264 km (0.092 R)
• M32: 17,330,016 km (0.116 R)
• M33: 18,260,514 km (0.109 R)
• M34: 19,207,170 km (0.08 R)
• M35: 19,480,485 km (0.072 R)
• M36: 20,238,946 km (0.079 R)
• M37: 20,936,820 km (0.105 R)
• M38: 21,855,800 km (0.11 R)
• M39: 22,141,233 km (0.056 R)
• M40: 23,004,861 km (0.103 R)
• M41: 23,077,267 km (0.103 R)
• M42: 23,295,231 km (0.116 R)
• M43: 23,367,935 km (0.087 R)
• M44: 26,567,684 km (0.103 R)
• M45: 27,025,005 km (0.072 R)
• M46: 28,102,110 km (0.107 R)
• M47: 28,179,601 km (0.106 R)
• M48: 29,822,934 km (0.058 R)
• M49: 31,658,051 km (0.083 R)
• M50: 32,467,375 km (0.09 R)
• M51: 33,693,928 km (0.118 R)
• M52: 34,354,253 km (0.094 R)
• M53: 34,686,061 km (0.074 R)
• M54: 35,352,819 km (0.094 R)
• M55: 36,360,959 km (0.068 R)
• M56: 37,208,132 km (0.115 R)
• M57: 37,805,028 km (0.096 R)
• M58: 38,405,214 km (0.07 R)
• M59: 38,749,439 km (0.101 R)
• M60: 38,835,757 km (0.069 R)
• M61: 39,875,612 km (0.11 R)
• M62: 41,012,555 km (0.044 R)
• M63: 43,049,779 km (0.095 R)
• M64: 45,483,138 km (0.099 R)
• M65: 46,029,918 km (0.103 R)
• M66: 48,238,731 km (0.063 R)
• M67: 48,331,482 km (0.052 R)
• M68: 48,703,232 km (0.1 R)
• M69: 49,730,371 km (0.08 R)
• M70: 50,481,801 km (0.105 R)
• M71: 50,764,691 km (0.071 R)
• M72: 50,953,484 km (0.084 R)
• M73: 53,813,496 km (0.072 R)
• M74: 54,488,182 km (0.071 R)
• M75: 54,778,252 km (0.09 R)
• M76: 55,262,949 km (0.111 R)
• M77: 55,554,366 km (0.114 R)
• M78: 56,921,092 km (0.092 R)
• M79: 57,411,923 km (0.084 R)
• M80: 57,805,515 km (0.111 R)
• M81: 58,793,609 km (0.074 R)
• M82: 59,986,502 km (0.117 R)
• M83: 60,486,009 km (0.111 R)
• M84: 60,786,402 km (0.068 R)
• M85: 61,087,243 km (0.079 R)
• M86: 61,187,623 km (0.07 R)
• M87: 62,801,186 km (0.092 R)
• M88: 63,511,477 km (0.073 R)
• M89: 64,224,610 km (0.089 R)
• M90: 64,940,286 km (0.045 R)
• M91: 65,452,958 km (0.057 R)
• M92: 69,394,114 km (0.067 R)
• M93: 70,128,340 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.1

Radius: 7.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 14.34 AU - 20.9 AU

Year: 26748 Days

Day: 17.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 55,310,404 km

• M1: 160,818 km (0.12 R)
• M2: 1,133,054 km (0.086 R)
• M3: 1,782,459 km (0.096 R)
• M4: 2,048,294 km (0.069 R)
• M5: 3,688,934 km (0.079 R)
• M6: 4,027,474 km (0.09 R)
• M7: 4,411,342 km (0.105 R)
• M8: 4,625,716 km (0.089 R)
• M9: 5,213,935 km (0.052 R)
• M10: 5,326,881 km (0.114 R)
• M11: 6,139,796 km (0.094 R)
• M12: 7,835,787 km (0.07 R)
• M13: 8,534,559 km (0.077 R)
• M14: 10,461,828 km (0.104 R)
• M15: 11,424,939 km (0.068 R)
• M16: 11,571,844 km (0.083 R)
• M17: 12,215,564 km (0.068 R)
• M18: 13,023,991 km (0.079 R)
• M19: 13,177,478 km (0.084 R)
• M20: 13,693,441 km (0.108 R)
• M21: 14,110,969 km (0.11 R)
• M22: 16,980,854 km (0.03 R)
• M23: 18,109,421 km (0.109 R)
• M24: 18,223,564 km (0.073 R)
• M25: 18,452,598 km (0.068 R)
• M26: 19,029,448 km (0.062 R)
• M27: 20,437,911 km (0.092 R)
• M28: 21,094,646 km (0.11 R)
• M29: 21,758,412 km (0.053 R)
• M30: 22,306,389 km (0.051 R)
• M31: 22,674,400 km (0.093 R)
• M32: 23,230,006 km (0.117 R)
• M33: 23,416,256 km (0.082 R)
• M34: 23,602,954 km (0.117 R)
• M35: 23,915,164 km (0.084 R)
• M36: 25,497,012 km (0.078 R)
• M37: 26,203,713 km (0.076 R)
• M38: 26,851,621 km (0.04 R)
• M39: 28,295,839 km (0.043 R)
• M40: 29,227,834 km (0.115 R)
• M41: 29,967,296 km (0.09 R)
• M42: 30,373,155 km (0.071 R)
• M43: 31,532,987 km (0.106 R)
• M44: 32,360,563 km (0.062 R)
• M45: 33,544,929 km (0.118 R)
• M46: 33,685,252 km (0.106 R)
• M47: 33,825,724 km (0.115 R)
• M48: 34,107,267 km (0.114 R)
• M49: 34,177,728 km (0.083 R)
• M50: 34,248,338 km (0.116 R)
• M51: 34,460,318 km (0.077 R)
• M52: 36,531,501 km (0.106 R)
• M53: 36,603,607 km (0.041 R)
• M54: 38,129,505 km (0.066 R)
• M55: 38,937,035 km (0.072 R)
• M56: 39,158,290 km (0.085 R)
• M57: 39,453,895 km (0.086 R)
• M58: 40,643,797 km (0.119 R)
• M59: 41,619,175 km (0.074 R)
• M60: 42,298,948 km (0.116 R)
• M61: 43,363,785 km (0.093 R)
• M62: 45,209,374 km (0.1 R)
• M63: 46,141,967 km (0.085 R)
• M64: 47,946,716 km (0.059 R)
• M65: 48,500,677 km (0.111 R)
• M66: 48,579,964 km (0.112 R)
• M67: 48,738,687 km (0.046 R)
• M68: 49,295,640 km (0.056 R)
• M69: 49,455,111 km (0.087 R)
• M70: 50,496,013 km (0.046 R)
• M71: 51,787,192 km (0.111 R)
• M72: 52,111,670 km (0.099 R)
• M73: 52,599,659 km (0.103 R)
• M74: 52,681,040 km (0.106 R)
• M75: 53,007,462 km (0.074 R)
• M76: 54,237,007 km (0.077 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 14,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit