🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 13.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.34 AU - 1.48 AU

Year: 1116 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,780,659 km

• M1: 164,258 km (0.093 R)
• M2: 721,062 km (0.087 R)
• M3: 1,255,425 km (0.105 R)
• M4: 2,012,989 km (0.098 R)
• M5: 2,508,906 km (0.108 R)
• M6: 3,297,885 km (0.104 R)
• M7: 4,766,936 km (0.115 R)
• M8: 5,390,310 km (0.044 R)
• M9: 5,936,343 km (0.119 R)
• M10: 6,729,511 km (0.095 R)
• M11: 7,464,784 km (0.101 R)
• M12: 8,389,598 km (0.112 R)
• M13: 9,418,981 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 14.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.71 AU - 2.41 AU

Year: 1972 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,780,659 km

• M1: 179,069 km (0.038 R)
• M2: 831,914 km (0.106 R)
• M3: 1,302,249 km (0.117 R)
• M4: 2,662,992 km (0.081 R)
• M5: 4,200,409 km (0.092 R)
• M6: 4,807,028 km (0.079 R)
• M7: 5,580,898 km (0.077 R)
• M8: 6,909,178 km (0.067 R)
• M9: 9,067,277 km (0.046 R)
• M10: 10,217,385 km (0.107 R)
• M11: 11,679,704 km (0.062 R)
• M12: 12,537,498 km (0.078 R)
• M13: 13,357,145 km (0.068 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.3

Radius: 5

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.57 AU - 7.19 AU

Year: 10746 Days

Day: 19.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,780,659 km

• M1: 62,233 km (0.047 R)
• M2: 244,443 km (0.062 R)
• M3: 421,866 km (0.091 R)
• M4: 1,183,768 km (0.063 R)
• M5: 1,558,810 km (0.118 R)
• M6: 2,281,816 km (0.073 R)
• M7: 2,980,289 km (0.111 R)
• M8: 3,185,687 km (0.068 R)
• M9: 4,677,776 km (0.038 R)
• M10: 7,553,496 km (0.111 R)
• M11: 7,936,167 km (0.084 R)
• M12: 9,076,851 km (0.072 R)
• M13: 9,731,042 km (0.032 R)
• M14: 12,663,310 km (0.094 R)
• M15: 17,819,201 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238

Radius: 6.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.69 AU - 7.69 AU

Year: 11539 Days

Day: 20.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,780,659 km

• M1: 86,318 km (0.09 R)
• M2: 316,250 km (0.118 R)
• M3: 578,196 km (0.054 R)
• M4: 1,451,548 km (0.083 R)
• M5: 1,712,746 km (0.095 R)
• M6: 2,180,090 km (0.05 R)
• M7: 2,672,416 km (0.119 R)
• M8: 3,411,430 km (0.096 R)
• M9: 4,331,457 km (0.107 R)
• M10: 6,442,881 km (0.117 R)
• M11: 11,511,257 km (0.113 R)
• M12: 14,238,725 km (0.093 R)
• M13: 15,440,894 km (0.054 R)
• M14: 15,940,252 km (0.119 R)
• M15: 18,529,791 km (0.107 R)
• M16: 21,464,003 km (0.072 R)
• M17: 21,773,372 km (0.111 R)
• M18: 22,879,947 km (0.105 R)
• M19: 26,247,694 km (0.061 R)
• M20: 28,698,856 km (0.096 R)
• M21: 32,097,869 km (0.077 R)
• M22: 34,366,371 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.8

Radius: 7.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.65 AU - 11.25 AU

Year: 19372 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,780,659 km

• M1: 225,893 km (0.107 R)
• M2: 511,176 km (0.07 R)
• M3: 1,771,837 km (0.092 R)
• M4: 2,207,915 km (0.104 R)
• M5: 4,041,686 km (0.083 R)
• M6: 7,766,523 km (0.061 R)
• M7: 9,393,699 km (0.083 R)
• M8: 10,884,292 km (0.052 R)
• M9: 12,718,213 km (0.031 R)
• M10: 13,506,444 km (0.101 R)
• M11: 14,015,226 km (0.047 R)
• M12: 15,234,150 km (0.075 R)
• M13: 17,579,395 km (0.034 R)
• M14: 18,806,397 km (0.063 R)
• M15: 19,376,814 km (0.09 R)
• M16: 21,912,947 km (0.101 R)
• M17: 22,192,096 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.4

Radius: 6.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.96 AU - 10.6 AU

Year: 20396 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,780,659 km

• M1: 80,932 km (0.077 R)
• M2: 370,105 km (0.083 R)
• M3: 711,039 km (0.038 R)
• M4: 1,081,742 km (0.066 R)
• M5: 1,423,873 km (0.087 R)
• M6: 2,191,459 km (0.091 R)
• M7: 2,518,779 km (0.088 R)
• M8: 2,799,874 km (0.12 R)
• M9: 3,866,806 km (0.107 R)
• M10: 4,372,147 km (0.055 R)
• M11: 4,920,573 km (0.078 R)
• M12: 5,330,920 km (0.105 R)
• M13: 6,985,323 km (0.112 R)
• M14: 8,912,293 km (0.108 R)
• M15: 13,608,470 km (0.108 R)
• M16: 15,012,894 km (0.082 R)
• M17: 16,511,267 km (0.09 R)
• M18: 21,293,611 km (0.098 R)
• M19: 25,953,136 km (0.056 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 12,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit