🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.3

Radius: 9.1

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,163,733 km

• M1: 113,246 km (0.094 R)
• M2: 419,024 km (0.087 R)
• M3: 747,840 km (0.05 R)
• M4: 1,044,044 km (0.085 R)
• M5: 1,361,341 km (0.101 R)
• M6: 1,879,398 km (0.116 R)
• M7: 2,205,372 km (0.105 R)
• M8: 2,514,890 km (0.112 R)
• M9: 2,902,947 km (0.104 R)
• M10: 3,201,245 km (0.058 R)
• M11: 3,486,079 km (0.114 R)
• M12: 3,945,345 km (0.08 R)
• M13: 4,444,702 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.4

Radius: 9.4

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1 AU - 1.28 AU

Year: 826 Days

Day: 14.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,163,733 km

• M1: 146,456 km (0.09 R)
• M2: 448,195 km (0.062 R)
• M3: 774,618 km (0.085 R)
• M4: 1,334,712 km (0.071 R)
• M5: 1,872,068 km (0.083 R)
• M6: 2,438,744 km (0.066 R)
• M7: 2,757,837 km (0.094 R)
• M8: 3,094,432 km (0.072 R)
• M9: 3,469,773 km (0.064 R)
• M10: 3,950,431 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.7

Radius: 12.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.06 AU - 1.58 AU

Year: 1029 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,163,733 km

• M1: 156,779 km (0.051 R)
• M2: 599,738 km (0.078 R)
• M3: 1,225,506 km (0.12 R)
• M4: 1,741,768 km (0.045 R)
• M5: 2,200,734 km (0.12 R)
• M6: 2,628,285 km (0.109 R)
• M7: 3,097,873 km (0.096 R)
• M8: 3,685,493 km (0.06 R)
• M9: 5,085,580 km (0.098 R)
• M10: 6,304,054 km (0.07 R)
• M11: 6,719,488 km (0.111 R)
• M12: 7,227,073 km (0.116 R)
• M13: 8,401,865 km (0.038 R)
• M14: 9,253,227 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.1

Radius: 8.2

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.55 AU - 5.05 AU

Year: 6048 Days

Day: 5.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,163,733 km

• M1: 102,026 km (0.1 R)
• M2: 395,088 km (0.115 R)
• M3: 764,595 km (0.064 R)
• M4: 1,035,217 km (0.115 R)
• M5: 1,293,872 km (0.114 R)
• M6: 1,672,803 km (0.088 R)
• M7: 3,355,630 km (0.052 R)
• M8: 4,788,029 km (0.104 R)
• M9: 5,945,169 km (0.105 R)
• M10: 6,261,568 km (0.059 R)
• M11: 6,522,766 km (0.118 R)
• M12: 8,640,025 km (0.09 R)
• M13: 12,981,654 km (0.04 R)
• M14: 13,353,704 km (0.084 R)
• M15: 14,740,776 km (0.079 R)
• M16: 15,737,098 km (0.044 R)
• M17: 16,038,537 km (0.097 R)
• M18: 19,683,489 km (0.104 R)
• M19: 20,033,548 km (0.092 R)
• M20: 21,328,318 km (0.117 R)
• M21: 21,623,475 km (0.113 R)
• M22: 23,452,009 km (0.104 R)
• M23: 25,879,534 km (0.045 R)
• M24: 29,098,282 km (0.086 R)
• M25: 31,418,246 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.3

Radius: 4.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.04 AU - 6.42 AU

Year: 9303 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,163,733 km

• M1: 60,138 km (0.08 R)
• M2: 408,402 km (0.101 R)
• M3: 713,582 km (0.045 R)
• M4: 977,622 km (0.112 R)
• M5: 1,352,514 km (0.104 R)
• M6: 1,990,250 km (0.085 R)
• M7: 2,228,111 km (0.107 R)
• M8: 2,890,231 km (0.065 R)
• M9: 4,033,458 km (0.094 R)
• M10: 4,306,923 km (0.081 R)
• M11: 6,464,423 km (0.091 R)
• M12: 6,693,158 km (0.055 R)
• M13: 8,653,489 km (0.109 R)
• M14: 9,215,378 km (0.069 R)
• M15: 9,468,648 km (0.106 R)
• M16: 12,394,333 km (0.12 R)
• M17: 12,703,103 km (0.032 R)
• M18: 14,518,025 km (0.025 R)
• M19: 17,415,885 km (0.115 R)
• M20: 19,946,632 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.9

Radius: 3.4

Gravity: 26.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.12 AU - 7.72 AU

Year: 13709 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,163,733 km

• M1: 42,785 km (0.078 R)
• M2: 378,333 km (0.033 R)
• M3: 538,104 km (0.079 R)
• M4: 668,702 km (0.081 R)
• M5: 904,918 km (0.037 R)
• M6: 1,229,545 km (0.089 R)
• M7: 1,555,219 km (0.077 R)
• M8: 1,823,448 km (0.096 R)
• M9: 2,489,907 km (0.106 R)
• M10: 3,165,641 km (0.045 R)
• M11: 3,472,316 km (0.066 R)
• M12: 3,645,401 km (0.069 R)
• M13: 4,628,259 km (0.091 R)
• M14: 4,868,513 km (0.045 R)
• M15: 5,022,749 km (0.113 R)
• M16: 5,373,855 km (0.035 R)
• M17: 5,673,050 km (0.059 R)
• M18: 6,089,232 km (0.076 R)
• M19: 7,418,708 km (0.094 R)
• M20: 9,068,473 km (0.118 R)
• M21: 12,259,396 km (0.086 R)
• M22: 15,719,894 km (0.044 R)
• M23: 15,921,701 km (0.08 R)
• M24: 19,468,218 km (0.116 R)
• M25: 24,755,904 km (0.061 R)
• M26: 25,029,070 km (0.101 R)
• M27: 25,304,330 km (0.1 R)
• M28: 26,710,999 km (0.094 R)
• M29: 29,781,346 km (0.084 R)
• M30: 32,314,038 km (0.079 R)
• M31: 32,968,977 km (0.117 R)
• M32: 42,174,931 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.1

Radius: 6.3

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.04 AU - 8.8 AU

Year: 16571 Days

Day: 20.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,163,733 km

• M1: 78,389 km (0.103 R)
• M2: 299,046 km (0.116 R)
• M3: 567,275 km (0.095 R)
• M4: 1,038,957 km (0.104 R)
• M5: 2,276,880 km (0.096 R)
• M6: 2,538,825 km (0.062 R)
• M7: 2,820,817 km (0.086 R)
• M8: 3,220,992 km (0.038 R)
• M9: 4,619,433 km (0.093 R)
• M10: 6,619,107 km (0.096 R)
• M11: 7,943,497 km (0.036 R)
• M12: 9,334,159 km (0.102 R)
• M13: 11,048,850 km (0.066 R)
• M14: 13,026,384 km (0.093 R)
• M15: 17,358,140 km (0.08 R)
• M16: 22,018,114 km (0.065 R)
• M17: 25,615,494 km (0.093 R)
• M18: 26,828,134 km (0.12 R)
• M19: 27,867,391 km (0.043 R)
• M20: 30,920,234 km (0.091 R)
• M21: 34,309,524 km (0.113 R)
• M22: 34,917,938 km (0.046 R)
• M23: 37,167,591 km (0.092 R)
• M24: 37,551,758 km (0.063 R)
• M25: 39,379,395 km (0.098 R)
• M26: 44,637,611 km (0.053 R)
• M27: 47,885,979 km (0.113 R)
• M28: 49,567,758 km (0.08 R)
• M29: 55,513,376 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.4

Radius: 5.3

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.85 AU - 9.27 AU

Year: 18496 Days

Day: 17.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,163,733 km

• M1: 66,272 km (0.085 R)
• M2: 331,509 km (0.095 R)
• M3: 779,704 km (0.087 R)
• M4: 2,538,825 km (0.094 R)
• M5: 3,422,949 km (0.053 R)
• M6: 5,372,808 km (0.093 R)
• M7: 6,081,901 km (0.107 R)
• M8: 6,767,658 km (0.062 R)
• M9: 14,418,542 km (0.104 R)
• M10: 14,627,979 km (0.029 R)
• M11: 16,452,325 km (0.071 R)
• M12: 16,834,548 km (0.114 R)
• M13: 19,169,322 km (0.074 R)
• M14: 27,239,229 km (0.071 R)
• M15: 39,178,037 km (0.088 R)
• M16: 41,526,873 km (0.045 R)
• M17: 49,449,726 km (0.117 R)
• M18: 52,189,611 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.4

Radius: 6.9

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.17 AU - 10.65 AU

Year: 22781 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,163,733 km

• M1: 86,767 km (0.067 R)
• M2: 327,619 km (0.088 R)
• M3: 571,314 km (0.11 R)
• M4: 1,034,170 km (0.049 R)
• M5: 1,508,246 km (0.102 R)
• M6: 2,039,318 km (0.119 R)
• M7: 2,548,400 km (0.107 R)
• M8: 3,219,047 km (0.087 R)
• M9: 3,847,807 km (0.078 R)
• M10: 4,064,125 km (0.094 R)
• M11: 4,454,127 km (0.117 R)
• M12: 4,693,035 km (0.117 R)
• M13: 5,122,381 km (0.062 R)
• M14: 6,310,936 km (0.096 R)
• M15: 7,433,369 km (0.102 R)
• M16: 8,842,281 km (0.118 R)
• M17: 9,111,408 km (0.109 R)
• M18: 14,566,644 km (0.119 R)
• M19: 15,018,280 km (0.09 R)
• M20: 16,754,812 km (0.068 R)
• M21: 20,810,261 km (0.071 R)
• M22: 26,574,117 km (0.084 R)
• M23: 28,165,240 km (0.113 R)
• M24: 28,748,672 km (0.106 R)
• M25: 30,915,597 km (0.057 R)
• M26: 35,707,217 km (0.062 R)
• M27: 41,120,266 km (0.111 R)
• M28: 44,334,227 km (0.096 R)
• M29: 46,243,993 km (0.113 R)
• M30: 48,707,421 km (0.066 R)
• M31: 55,884,529 km (0.086 R)
• M32: 56,990,655 km (0.097 R)
• M33: 58,488,130 km (0.041 R)
• M34: 65,960,394 km (0.088 R)
• M35: 69,499,730 km (0.119 R)
• M36: 69,924,289 km (0.04 R)
• M37: 71,639,877 km (0.087 R)
• M38: 72,944,670 km (0.029 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: 418 - 13,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit