🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 10.6

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.47 AU - 0.71 AU

Year: 313 Days

Day: 7.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 60.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,436,781 km

• M1: 134,189 km (0.118 R)
• M2: 353,500 km (0.112 R)
• M3: 612,753 km (0.091 R)
• M4: 886,966 km (0.117 R)
• M5: 1,272,629 km (0.088 R)
• M6: 1,477,728 km (0.066 R)
• M7: 1,678,339 km (0.11 R)
• M8: 1,881,642 km (0.083 R)
• M9: 2,121,447 km (0.119 R)
• M10: 2,351,230 km (0.084 R)
• M11: 3,042,073 km (0.105 R)
• M12: 3,441,948 km (0.096 R)
• M13: 3,671,730 km (0.097 R)
• M14: 3,925,897 km (0.05 R)
• M15: 4,380,674 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.3

Radius: 11.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.51 AU - 0.71 AU

Year: 329 Days

Day: 10.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,436,781 km

• M1: 138,228 km (0.086 R)
• M2: 347,815 km (0.087 R)
• M3: 724,802 km (0.079 R)
• M4: 983,008 km (0.085 R)
• M5: 1,204,113 km (0.087 R)
• M6: 1,414,597 km (0.068 R)
• M7: 1,683,425 km (0.06 R)
• M8: 1,930,710 km (0.033 R)
• M9: 2,317,121 km (0.098 R)
• M10: 2,578,918 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 9.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.95 AU - 1.03 AU

Year: 680 Days

Day: 14.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,436,781 km

• M1: 118,332 km (0.06 R)
• M2: 299,645 km (0.109 R)
• M3: 514,168 km (0.104 R)
• M4: 721,211 km (0.083 R)
• M5: 892,950 km (0.034 R)
• M6: 1,407,716 km (0.095 R)
• M7: 2,160,792 km (0.097 R)
• M8: 2,336,420 km (0.105 R)
• M9: 2,556,628 km (0.051 R)
• M10: 2,795,087 km (0.087 R)
• M11: 3,036,538 km (0.118 R)
• M12: 3,305,515 km (0.119 R)
• M13: 3,813,848 km (0.106 R)
• M14: 4,251,571 km (0.116 R)
• M15: 4,519,800 km (0.038 R)
• M16: 4,724,002 km (0.114 R)
• M17: 4,943,312 km (0.096 R)
• M18: 5,178,629 km (0.104 R)
• M19: 5,353,210 km (0.115 R)
• M20: 5,609,471 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876

Radius: 14.2

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.15 AU - 1.27 AU

Year: 919 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,436,781 km

• M1: 177,423 km (0.094 R)
• M2: 470,635 km (0.071 R)
• M3: 838,047 km (0.117 R)
• M4: 1,223,411 km (0.111 R)
• M5: 1,876,705 km (0.103 R)
• M6: 2,239,331 km (0.069 R)
• M7: 3,014,995 km (0.033 R)
• M8: 3,282,028 km (0.057 R)
• M9: 3,717,058 km (0.1 R)
• M10: 4,014,608 km (0.108 R)
• M11: 4,284,782 km (0.045 R)
• M12: 4,686,602 km (0.112 R)
• M13: 4,965,004 km (0.079 R)
• M14: 5,486,951 km (0.073 R)
• M15: 6,020,417 km (0.095 R)
• M16: 6,977,245 km (0.086 R)
• M17: 7,845,062 km (0.1 R)
• M18: 8,206,640 km (0.091 R)
• M19: 8,974,077 km (0.115 R)
• M20: 9,617,348 km (0.073 R)
• M21: 10,018,121 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.8

Radius: 10.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.81 AU - 2.49 AU

Year: 2176 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,436,781 km

• M1: 187,297 km (0.09 R)
• M2: 512,522 km (0.079 R)
• M3: 788,082 km (0.032 R)
• M4: 1,080,097 km (0.098 R)
• M5: 1,364,632 km (0.109 R)
• M6: 1,766,900 km (0.103 R)
• M7: 2,547,203 km (0.107 R)
• M8: 3,005,870 km (0.108 R)
• M9: 3,306,711 km (0.113 R)
• M10: 3,571,649 km (0.096 R)
• M11: 3,777,346 km (0.058 R)
• M12: 4,142,515 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 14.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.91 AU - 5.13 AU

Year: 7764 Days

Day: 8.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,436,781 km

• M1: 184,753 km (0.063 R)
• M2: 1,534,874 km (0.066 R)
• M3: 2,992,257 km (0.117 R)
• M4: 4,124,563 km (0.071 R)
• M5: 4,501,550 km (0.09 R)
• M6: 5,391,507 km (0.101 R)
• M7: 8,418,770 km (0.118 R)
• M8: 8,813,858 km (0.12 R)
• M9: 9,218,221 km (0.086 R)
• M10: 11,091,186 km (0.085 R)
• M11: 11,420,451 km (0.094 R)
• M12: 14,417,046 km (0.093 R)
• M13: 19,142,095 km (0.107 R)
• M14: 22,162,177 km (0.043 R)
• M15: 22,453,144 km (0.118 R)
• M16: 23,456,497 km (0.114 R)
• M17: 24,360,218 km (0.066 R)
• M18: 24,910,738 km (0.114 R)
• M19: 25,281,292 km (0.109 R)
• M20: 28,344,009 km (0.119 R)
• M21: 29,874,096 km (0.075 R)
• M22: 31,583,102 km (0.111 R)
• M23: 31,930,618 km (0.026 R)
• M24: 32,280,079 km (0.089 R)
• M25: 33,696,920 km (0.092 R)
• M26: 36,175,907 km (0.065 R)
• M27: 37,373,138 km (0.096 R)
• M28: 38,131,300 km (0.093 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: 195 - 18,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit