🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.7

Radius: 12.4

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.93 AU - 1.15 AU

Year: 732 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,943,487 km

• M1: 154,235 km (0.09 R)
• M2: 763,398 km (0.047 R)
• M3: 1,282,503 km (0.083 R)
• M4: 1,789,639 km (0.069 R)
• M5: 2,226,166 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 8.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.34 AU - 1.4 AU

Year: 1107 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,943,487 km

• M1: 105,766 km (0.095 R)
• M2: 424,858 km (0.116 R)
• M3: 870,959 km (0.066 R)
• M4: 1,172,847 km (0.103 R)
• M5: 1,809,386 km (0.057 R)
• M6: 2,103,795 km (0.115 R)
• M7: 2,611,979 km (0.119 R)
• M8: 3,267,217 km (0.079 R)
• M9: 3,872,939 km (0.12 R)
• M10: 4,186,646 km (0.071 R)
• M11: 5,064,636 km (0.116 R)
• M12: 5,675,145 km (0.076 R)
• M13: 6,312,432 km (0.088 R)
• M14: 6,615,517 km (0.095 R)
• M15: 7,753,658 km (0.112 R)
• M16: 8,152,186 km (0.037 R)
• M17: 8,616,688 km (0.067 R)
• M18: 8,963,156 km (0.116 R)
• M19: 9,374,401 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 13.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.33 AU - 1.75 AU

Year: 1319 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,943,487 km

• M1: 171,589 km (0.109 R)
• M2: 782,098 km (0.089 R)
• M3: 1,468,154 km (0.111 R)
• M4: 1,993,840 km (0.082 R)
• M5: 2,769,356 km (0.063 R)
• M6: 4,125,012 km (0.038 R)
• M7: 4,646,061 km (0.117 R)
• M8: 5,075,257 km (0.116 R)
• M9: 5,821,751 km (0.115 R)
• M10: 6,344,296 km (0.111 R)
• M11: 6,850,685 km (0.092 R)
• M12: 9,592,066 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 9.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.39 AU - 1.87 AU

Year: 1436 Days

Day: 11 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,943,487 km

• M1: 119,379 km (0.11 R)
• M2: 439,070 km (0.098 R)
• M3: 760,256 km (0.119 R)
• M4: 1,126,921 km (0.091 R)
• M5: 1,708,408 km (0.095 R)
• M6: 2,733,003 km (0.077 R)
• M7: 3,643,905 km (0.034 R)
• M8: 4,914,140 km (0.031 R)
• M9: 5,859,599 km (0.114 R)
• M10: 6,193,651 km (0.032 R)
• M11: 7,140,157 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.3

Radius: 4.5

Gravity: 30.98 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.59 AU - 6.53 AU

Year: 9049 Days

Day: 15.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,943,487 km

• M1: 58,194 km (0.085 R)
• M2: 221,106 km (0.109 R)
• M3: 592,108 km (0.12 R)
• M4: 794,215 km (0.104 R)
• M5: 990,338 km (0.12 R)
• M6: 2,902,647 km (0.075 R)
• M7: 3,097,574 km (0.088 R)
• M8: 4,072,353 km (0.048 R)
• M9: 4,372,746 km (0.102 R)
• M10: 4,776,361 km (0.112 R)
• M11: 4,926,258 km (0.072 R)
• M12: 5,690,703 km (0.111 R)
• M13: 7,612,437 km (0.106 R)
• M14: 9,034,066 km (0.039 R)
• M15: 10,572,680 km (0.093 R)
• M16: 11,035,087 km (0.105 R)
• M17: 14,096,757 km (0.115 R)
• M18: 15,231,307 km (0.104 R)
• M19: 15,688,478 km (0.072 R)
• M20: 15,953,715 km (0.104 R)
• M21: 18,848,434 km (0.089 R)
• M22: 24,300,678 km (0.045 R)
• M23: 24,924,651 km (0.082 R)
• M24: 26,390,710 km (0.106 R)
• M25: 30,510,935 km (0.031 R)
• M26: 31,974,151 km (0.113 R)
• M27: 32,615,328 km (0.102 R)
• M28: 37,700,159 km (0.065 R)
• M29: 40,120,204 km (0.087 R)
• M30: 41,116,676 km (0.079 R)
• M31: 41,368,299 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.1

Radius: 8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.13 AU - 6.31 AU

Year: 9443 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,943,487 km

• M1: 99,483 km (0.095 R)
• M2: 463,753 km (0.114 R)
• M3: 762,800 km (0.109 R)
• M4: 1,580,801 km (0.1 R)
• M5: 1,956,740 km (0.092 R)
• M6: 2,217,040 km (0.057 R)
• M7: 3,454,514 km (0.038 R)
• M8: 3,739,199 km (0.099 R)
• M9: 4,520,399 km (0.071 R)
• M10: 4,891,102 km (0.116 R)
• M11: 5,281,852 km (0.106 R)
• M12: 6,057,966 km (0.045 R)
• M13: 6,834,229 km (0.067 R)
• M14: 7,208,373 km (0.072 R)
• M15: 7,556,637 km (0.088 R)
• M16: 8,712,580 km (0.113 R)
• M17: 9,607,474 km (0.111 R)
• M18: 10,415,303 km (0.098 R)
• M19: 10,860,805 km (0.104 R)
• M20: 11,422,695 km (0.07 R)
• M21: 14,043,500 km (0.071 R)
• M22: 16,436,318 km (0.082 R)
• M23: 17,798,855 km (0.055 R)
• M24: 23,161,490 km (0.068 R)
• M25: 24,958,909 km (0.07 R)
• M26: 27,217,537 km (0.093 R)
• M27: 28,253,203 km (0.066 R)
• M28: 28,540,132 km (0.1 R)
• M29: 31,517,579 km (0.054 R)
• M30: 37,849,458 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.3

Radius: 6.3

Gravity: 21.47 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9 AU - 9.2 AU

Year: 18948 Days

Day: 24.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,943,487 km

• M1: 78,389 km (0.118 R)
• M2: 458,966 km (0.096 R)
• M3: 672,143 km (0.057 R)
• M4: 929,601 km (0.119 R)
• M5: 1,416,991 km (0.058 R)
• M6: 1,942,678 km (0.119 R)
• M7: 2,250,550 km (0.047 R)
• M8: 2,886,790 km (0.07 R)
• M9: 3,345,008 km (0.116 R)
• M10: 4,474,472 km (0.094 R)
• M11: 4,938,824 km (0.117 R)
• M12: 5,513,878 km (0.112 R)
• M13: 5,879,645 km (0.086 R)
• M14: 6,569,890 km (0.094 R)
• M15: 7,264,921 km (0.064 R)
• M16: 7,956,812 km (0.116 R)
• M17: 11,040,024 km (0.082 R)
• M18: 11,753,157 km (0.093 R)
• M19: 15,071,387 km (0.083 R)
• M20: 16,943,455 km (0.086 R)
• M21: 19,986,724 km (0.062 R)
• M22: 21,636,938 km (0.079 R)
• M23: 25,316,298 km (0.089 R)
• M24: 30,758,220 km (0.095 R)
• M25: 36,082,857 km (0.09 R)
• M26: 37,073,793 km (0.075 R)
• M27: 38,814,514 km (0.077 R)
• M28: 39,854,668 km (0.113 R)
• M29: 40,457,248 km (0.109 R)
• M30: 43,562,002 km (0.102 R)
• M31: 51,475,879 km (0.07 R)
• M32: 54,190,033 km (0.11 R)
• M33: 55,863,435 km (0.107 R)
• M34: 58,341,075 km (0.036 R)
• M35: 70,728,976 km (0.064 R)
• M36: 72,279,258 km (0.082 R)
• M37: 74,989,373 km (0.059 R)
• M38: 75,218,258 km (0.079 R)
• M39: 75,907,605 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 12,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit