🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.6 AU - 0.62 AU

Year: 308 Days

Day: 25.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,425,928 km

• M1: 794,813 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.7

Radius: 11.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.69 AU - 0.81 AU

Year: 419 Days

Day: 5.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 46,425,928 km

• M1: 143,614 km (0.106 R)
• M2: 256,560 km (0.096 R)
• M3: 381,325 km (0.111 R)
• M4: 460,911 km (0.067 R)
• M5: 547,977 km (0.106 R)
• M6: 629,957 km (0.118 R)
• M7: 704,905 km (0.095 R)
• M8: 778,956 km (0.118 R)
• M9: 855,999 km (0.049 R)
• M10: 954,285 km (0.105 R)
• M11: 1,042,398 km (0.096 R)
• M12: 1,133,503 km (0.06 R)
• M13: 1,252,583 km (0.116 R)
• M14: 1,334,563 km (0.099 R)
• M15: 1,444,966 km (0.085 R)
• M16: 1,536,669 km (0.104 R)
• M17: 1,652,907 km (0.113 R)
• M18: 1,812,528 km (0.064 R)
• M19: 1,906,176 km (0.086 R)
• M20: 2,025,555 km (0.044 R)
• M21: 2,228,111 km (0.109 R)
• M22: 2,437,548 km (0.113 R)
• M23: 2,554,533 km (0.12 R)
• M24: 2,660,149 km (0.119 R)
• M25: 2,747,066 km (0.065 R)
• M26: 2,875,720 km (0.06 R)
• M27: 2,965,030 km (0.112 R)
• M28: 3,118,368 km (0.039 R)
• M29: 3,210,221 km (0.113 R)
• M30: 3,295,791 km (0.108 R)
• M31: 3,491,166 km (0.114 R)
• M32: 3,579,279 km (0.056 R)
• M33: 3,757,749 km (0.101 R)
• M34: 3,886,104 km (0.083 R)
• M35: 4,413,586 km (0.043 R)
• M36: 4,605,370 km (0.037 R)
• M37: 4,694,082 km (0.065 R)
• M38: 4,824,232 km (0.108 R)
• M39: 5,021,851 km (0.076 R)
• M40: 5,154,993 km (0.1 R)
• M41: 5,297,859 km (0.106 R)
• M42: 5,416,490 km (0.078 R)
• M43: 5,527,492 km (0.118 R)
• M44: 5,838,805 km (0.062 R)
• M45: 5,987,804 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 14.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.85 AU - 0.89 AU

Year: 524 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 46,425,928 km

• M1: 192,532 km (0.101 R)
• M2: 339,587 km (0.103 R)
• M3: 447,298 km (0.049 R)
• M4: 559,346 km (0.119 R)
• M5: 648,357 km (0.057 R)
• M6: 771,626 km (0.07 R)
• M7: 888,911 km (0.034 R)
• M8: 1,023,698 km (0.111 R)
• M9: 1,154,746 km (0.101 R)
• M10: 1,257,071 km (0.047 R)
• M11: 1,410,858 km (0.089 R)
• M12: 1,502,711 km (0.099 R)
• M13: 1,596,658 km (0.112 R)
• M14: 1,757,775 km (0.108 R)
• M15: 1,857,407 km (0.111 R)
• M16: 1,979,329 km (0.094 R)
• M17: 2,318,468 km (0.079 R)
• M18: 2,600,310 km (0.086 R)
• M19: 2,823,061 km (0.109 R)
• M20: 2,925,087 km (0.062 R)
• M21: 3,028,459 km (0.107 R)
• M22: 3,132,879 km (0.04 R)
• M23: 3,296,090 km (0.073 R)
• M24: 3,437,161 km (0.102 R)
• M25: 3,537,990 km (0.105 R)
• M26: 3,768,520 km (0.049 R)
• M27: 3,881,317 km (0.12 R)
• M28: 4,012,813 km (0.049 R)
• M29: 4,136,980 km (0.118 R)
• M30: 4,280,593 km (0.105 R)
• M31: 4,380,226 km (0.103 R)
• M32: 4,499,006 km (0.087 R)
• M33: 4,683,909 km (0.043 R)
• M34: 4,833,806 km (0.097 R)
• M35: 4,994,624 km (0.064 R)
• M36: 5,321,944 km (0.031 R)
• M37: 5,765,951 km (0.089 R)
• M38: 5,946,964 km (0.106 R)
• M39: 6,078,909 km (0.096 R)
• M40: 6,314,676 km (0.108 R)
• M41: 6,742,675 km (0.075 R)
• M42: 6,848,441 km (0.111 R)
• M43: 6,976,198 km (0.06 R)
• M44: 7,223,184 km (0.025 R)
• M45: 7,462,241 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.6

Radius: 15

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.81 AU - 1.21 AU

Year: 655 Days

Day: 9.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 103.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 46,425,928 km

• M1: 186,698 km (0.119 R)
• M2: 294,259 km (0.1 R)
• M3: 419,472 km (0.088 R)
• M4: 521,648 km (0.081 R)
• M5: 705,354 km (0.082 R)
• M6: 821,143 km (0.114 R)
• M7: 1,006,195 km (0.059 R)
• M8: 1,245,701 km (0.085 R)
• M9: 1,367,175 km (0.114 R)
• M10: 1,492,837 km (0.064 R)
• M11: 1,622,688 km (0.066 R)
• M12: 2,015,532 km (0.101 R)
• M13: 2,301,563 km (0.112 R)
• M14: 2,490,057 km (0.111 R)
• M15: 2,593,728 km (0.064 R)
• M16: 2,736,893 km (0.114 R)
• M17: 2,984,029 km (0.119 R)
• M18: 3,086,653 km (0.111 R)
• M19: 3,360,716 km (0.073 R)
• M20: 3,592,443 km (0.081 R)
• M21: 3,778,393 km (0.097 R)
• M22: 3,932,928 km (0.118 R)
• M23: 4,037,198 km (0.037 R)
• M24: 4,142,365 km (0.106 R)
• M25: 4,248,430 km (0.117 R)
• M26: 4,364,518 km (0.036 R)
• M27: 4,563,184 km (0.066 R)
• M28: 4,709,790 km (0.109 R)
• M29: 5,007,490 km (0.11 R)
• M30: 5,111,310 km (0.1 R)
• M31: 5,868,276 km (0.107 R)
• M32: 5,967,908 km (0.06 R)
• M33: 6,138,449 km (0.056 R)
• M34: 6,239,727 km (0.095 R)
• M35: 6,474,446 km (0.095 R)
• M36: 6,670,719 km (0.054 R)
• M37: 6,827,048 km (0.107 R)
• M38: 7,005,668 km (0.116 R)
• M39: 7,111,584 km (0.12 R)
• M40: 7,314,139 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.5

Radius: 9.4

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.76 AU - 3 AU

Year: 3156 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 169.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 46,425,928 km

• M1: 160,519 km (0.09 R)
• M2: 240,404 km (0.069 R)
• M3: 315,951 km (0.052 R)
• M4: 387,458 km (0.113 R)
• M5: 465,997 km (0.089 R)
• M6: 623,225 km (0.086 R)
• M7: 903,571 km (0.082 R)
• M8: 1,222,364 km (0.063 R)
• M9: 1,655,151 km (0.104 R)
• M10: 1,791,135 km (0.109 R)
• M11: 1,916,947 km (0.064 R)
• M12: 2,147,777 km (0.1 R)
• M13: 2,511,000 km (0.101 R)
• M14: 2,573,383 km (0.107 R)
• M15: 2,668,078 km (0.036 R)
• M16: 2,861,059 km (0.059 R)
• M17: 3,159,058 km (0.063 R)
• M18: 3,277,689 km (0.111 R)
• M19: 3,380,463 km (0.07 R)
• M20: 3,607,104 km (0.066 R)
• M21: 3,695,666 km (0.118 R)
• M22: 3,947,439 km (0.091 R)
• M23: 4,204,747 km (0.088 R)
• M24: 4,335,496 km (0.117 R)
• M25: 4,429,743 km (0.028 R)
• M26: 4,562,885 km (0.103 R)
• M27: 4,872,103 km (0.107 R)
• M28: 4,989,837 km (0.118 R)
• M29: 5,148,261 km (0.086 R)
• M30: 5,551,727 km (0.058 R)
• M31: 5,613,062 km (0.051 R)
• M32: 5,902,683 km (0.111 R)
• M33: 5,965,365 km (0.081 R)
• M34: 6,218,484 km (0.106 R)
• M35: 6,453,503 km (0.119 R)
• M36: 6,822,560 km (0.107 R)
• M37: 7,445,486 km (0.05 R)
• M38: 7,604,060 km (0.072 R)
• M39: 7,717,904 km (0.107 R)
• M40: 7,947,536 km (0.084 R)
• M41: 8,768,978 km (0.054 R)
• M42: 8,912,592 km (0.074 R)
• M43: 9,299,153 km (0.09 R)
• M44: 9,445,610 km (0.072 R)
• M45: 11,105,847 km (0.086 R)
• M46: 11,417,309 km (0.103 R)
• M47: 11,679,106 km (0.068 R)
• M48: 12,155,276 km (0.118 R)
• M49: 12,315,495 km (0.1 R)
• M50: 12,610,951 km (0.029 R)
• M51: 12,800,192 km (0.059 R)
• M52: 12,908,651 km (0.076 R)
• M53: 13,181,368 km (0.049 R)
• M54: 13,843,787 km (0.039 R)
• M55: 14,122,937 km (0.074 R)
• M56: 14,319,508 km (0.066 R)
• M57: 15,143,344 km (0.119 R)
• M58: 15,315,830 km (0.111 R)
• M59: 15,402,298 km (0.116 R)
• M60: 15,720,492 km (0.093 R)
• M61: 15,836,879 km (0.118 R)
• M62: 16,393,234 km (0.069 R)
• M63: 16,807,321 km (0.112 R)
• M64: 17,075,251 km (0.082 R)
• M65: 17,525,091 km (0.032 R)
• M66: 17,645,667 km (0.076 R)
• M67: 18,928,768 km (0.118 R)
• M68: 18,990,552 km (0.086 R)
• M69: 19,083,452 km (0.071 R)
• M70: 19,207,469 km (0.108 R)
• M71: 19,300,818 km (0.087 R)
• M72: 20,083,813 km (0.105 R)
• M73: 20,209,924 km (0.119 R)
• M74: 21,069,065 km (0.11 R)
• M75: 21,357,938 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.6

Radius: 6.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.89 AU - 12.89 AU

Year: 23204 Days

Day: 15.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 46,425,928 km

• M1: 401,072 km (0.075 R)
• M2: 634,145 km (0.115 R)
• M3: 715,227 km (0.111 R)
• M4: 817,403 km (0.117 R)
• M5: 1,036,414 km (0.032 R)
• M6: 1,094,009 km (0.033 R)
• M7: 1,462,918 km (0.083 R)
• M8: 1,506,301 km (0.107 R)
• M9: 1,868,328 km (0.106 R)
• M10: 2,157,201 km (0.093 R)
• M11: 2,332,380 km (0.113 R)
• M12: 2,434,406 km (0.109 R)
• M13: 2,590,586 km (0.096 R)
• M14: 2,643,245 km (0.103 R)
• M15: 3,134,225 km (0.064 R)
• M16: 3,390,187 km (0.113 R)
• M17: 3,712,421 km (0.118 R)
• M18: 3,862,019 km (0.04 R)
• M19: 4,576,049 km (0.07 R)
• M20: 4,769,031 km (0.06 R)
• M21: 5,030,378 km (0.034 R)
• M22: 5,397,491 km (0.077 R)
• M23: 6,192,903 km (0.116 R)
• M24: 6,299,267 km (0.093 R)
• M25: 6,950,616 km (0.117 R)
• M26: 7,585,360 km (0.08 R)
• M27: 9,393,699 km (0.034 R)
• M28: 11,327,850 km (0.061 R)
• M29: 11,676,413 km (0.046 R)
• M30: 12,161,559 km (0.055 R)
• M31: 12,428,890 km (0.115 R)
• M32: 12,518,499 km (0.112 R)
• M33: 12,698,316 km (0.056 R)
• M34: 13,517,813 km (0.098 R)
• M35: 14,354,364 km (0.111 R)
• M36: 15,207,521 km (0.085 R)
• M37: 15,399,306 km (0.094 R)
• M38: 15,495,497 km (0.1 R)
• M39: 17,211,534 km (0.118 R)
• M40: 17,813,516 km (0.073 R)
• M41: 18,627,029 km (0.11 R)
• M42: 18,678,341 km (0.032 R)
• M43: 19,348,839 km (0.099 R)
• M44: 20,925,900 km (0.061 R)
• M45: 21,460,712 km (0.063 R)
• M46: 21,729,839 km (0.071 R)
• M47: 21,891,853 km (0.046 R)
• M48: 22,108,471 km (0.1 R)
• M49: 22,982,122 km (0.097 R)
• M50: 23,312,584 km (0.119 R)
• M51: 23,978,295 km (0.069 R)
• M52: 24,650,288 km (0.098 R)
• M53: 24,819,334 km (0.081 R)
• M54: 25,158,472 km (0.096 R)
• M55: 25,726,944 km (0.116 R)
• M56: 25,784,091 km (0.045 R)
• M57: 26,242,309 km (0.093 R)
• M58: 26,992,692 km (0.085 R)
• M59: 28,455,310 km (0.056 R)
• M60: 29,644,015 km (0.084 R)
• M61: 29,823,682 km (0.118 R)
• M62: 31,457,141 km (0.092 R)
• M63: 31,640,398 km (0.079 R)
• M64: 32,747,572 km (0.076 R)
• M65: 33,305,872 km (0.064 R)
• M66: 33,804,930 km (0.064 R)
• M67: 33,992,675 km (0.114 R)
• M68: 34,495,025 km (0.115 R)
• M69: 34,999,768 km (0.077 R)
• M70: 35,761,521 km (0.119 R)
• M71: 35,952,856 km (0.105 R)
• M72: 36,849,995 km (0.116 R)
• M73: 36,978,798 km (0.112 R)
• M74: 37,043,275 km (0.085 R)
• M75: 38,079,390 km (0.072 R)
• M76: 38,405,214 km (0.068 R)
• M77: 38,535,813 km (0.083 R)
• M78: 39,322,249 km (0.078 R)
• M79: 39,651,514 km (0.112 R)
• M80: 40,911,128 km (0.085 R)
• M81: 41,713,272 km (0.104 R)
• M82: 41,847,461 km (0.094 R)
• M83: 42,251,076 km (0.088 R)
• M84: 42,453,333 km (0.093 R)
• M85: 44,151,119 km (0.042 R)
• M86: 44,561,765 km (0.103 R)
• M87: 45,732,518 km (0.116 R)
• M88: 45,801,782 km (0.094 R)
• M89: 46,286,928 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 15,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit