🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 14.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.67 AU - 0.95 AU

Year: 478 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,477,046 km

• M1: 176,525 km (0.102 R)
• M2: 699,071 km (0.097 R)
• M3: 1,221,766 km (0.112 R)
• M4: 1,901,090 km (0.101 R)
• M5: 2,361,552 km (0.05 R)
• M6: 3,235,054 km (0.086 R)
• M7: 3,798,140 km (0.094 R)
• M8: 4,328,614 km (0.089 R)
• M9: 4,984,751 km (0.063 R)
• M10: 5,672,901 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.3

Radius: 12.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.34 AU - 1.4 AU

Year: 1052 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,477,046 km

• M1: 162,762 km (0.111 R)
• M2: 569,369 km (0.085 R)
• M3: 992,133 km (0.113 R)
• M4: 1,509,293 km (0.076 R)
• M5: 2,226,166 km (0.114 R)
• M6: 4,275,657 km (0.105 R)
• M7: 4,978,318 km (0.07 R)
• M8: 5,462,865 km (0.107 R)
• M9: 5,999,323 km (0.105 R)
• M10: 6,724,873 km (0.087 R)
• M11: 7,318,477 km (0.118 R)
• M12: 7,946,938 km (0.076 R)
• M13: 8,849,462 km (0.086 R)
• M14: 9,507,094 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 10.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.93 AU - 2.37 AU

Year: 2068 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,477,046 km

• M1: 128,205 km (0.075 R)
• M2: 598,990 km (0.06 R)
• M3: 978,520 km (0.03 R)
• M4: 1,459,626 km (0.076 R)
• M5: 2,050,089 km (0.084 R)
• M6: 2,566,351 km (0.079 R)
• M7: 3,351,441 km (0.052 R)
• M8: 3,826,115 km (0.107 R)
• M9: 4,345,220 km (0.071 R)
• M10: 5,458,677 km (0.109 R)
• M11: 6,308,542 km (0.056 R)
• M12: 6,752,848 km (0.117 R)
• M13: 7,955,465 km (0.08 R)
• M14: 9,170,499 km (0.083 R)
• M15: 10,235,187 km (0.114 R)
• M16: 13,275,315 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 9.1

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.14 AU - 3.02 AU

Year: 2719 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,477,046 km

• M1: 113,246 km (0.093 R)
• M2: 412,441 km (0.11 R)
• M3: 814,112 km (0.112 R)
• M4: 1,237,474 km (0.097 R)
• M5: 2,952,613 km (0.057 R)
• M6: 3,245,077 km (0.083 R)
• M7: 3,683,548 km (0.104 R)
• M8: 4,241,249 km (0.108 R)
• M9: 4,701,113 km (0.108 R)
• M10: 5,124,625 km (0.08 R)
• M11: 5,745,456 km (0.045 R)
• M12: 6,177,794 km (0.111 R)
• M13: 6,631,823 km (0.089 R)
• M14: 7,079,420 km (0.052 R)
• M15: 9,381,731 km (0.091 R)
• M16: 11,259,783 km (0.047 R)
• M17: 11,897,369 km (0.111 R)
• M18: 13,027,431 km (0.075 R)
• M19: 15,211,111 km (0.059 R)
• M20: 15,646,142 km (0.092 R)
• M21: 17,156,333 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 14.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.07 AU - 6.55 AU

Year: 8027 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,477,046 km

• M1: 184,005 km (0.076 R)
• M2: 661,971 km (0.096 R)
• M3: 1,468,154 km (0.061 R)
• M4: 2,493,497 km (0.1 R)
• M5: 3,931,133 km (0.093 R)
• M6: 4,517,706 km (0.083 R)
• M7: 5,131,656 km (0.088 R)
• M8: 6,209,508 km (0.084 R)
• M9: 6,747,163 km (0.095 R)
• M10: 7,512,655 km (0.115 R)
• M11: 8,420,864 km (0.099 R)
• M12: 9,967,257 km (0.05 R)
• M13: 11,642,454 km (0.044 R)
• M14: 12,130,293 km (0.064 R)
• M15: 13,796,364 km (0.079 R)
• M16: 14,466,712 km (0.11 R)
• M17: 16,813,753 km (0.071 R)
• M18: 18,955,397 km (0.116 R)
• M19: 20,092,041 km (0.086 R)
• M20: 24,917,919 km (0.095 R)
• M21: 35,641,543 km (0.102 R)
• M22: 41,124,155 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.8

Radius: 3.2

Gravity: 33.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.24 AU - 6.66 AU

Year: 10746 Days

Day: 18.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,477,046 km

• M1: 41,289 km (0.046 R)
• M2: 146,756 km (0.062 R)
• M3: 806,781 km (0.095 R)
• M4: 1,345,483 km (0.107 R)
• M5: 2,191,908 km (0.115 R)
• M6: 3,818,037 km (0.096 R)
• M7: 4,098,084 km (0.11 R)
• M8: 4,727,742 km (0.117 R)
• M9: 8,140,518 km (0.117 R)
• M10: 8,560,888 km (0.093 R)
• M11: 8,907,506 km (0.104 R)
• M12: 12,240,098 km (0.09 R)
• M13: 13,765,846 km (0.101 R)
• M14: 24,857,781 km (0.097 R)
• M15: 32,819,978 km (0.098 R)
• M16: 34,419,628 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.1

Radius: 5.4

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.23 AU - 8.33 AU

Year: 12886 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,477,046 km

• M1: 67,169 km (0.112 R)
• M2: 275,410 km (0.085 R)
• M3: 489,933 km (0.069 R)
• M4: 686,056 km (0.082 R)
• M5: 1,024,297 km (0.067 R)
• M6: 1,792,631 km (0.091 R)
• M7: 2,013,438 km (0.095 R)
• M8: 3,355,331 km (0.047 R)
• M9: 3,642,409 km (0.046 R)
• M10: 3,919,913 km (0.088 R)
• M11: 7,847,456 km (0.037 R)
• M12: 10,447,766 km (0.115 R)
• M13: 10,751,001 km (0.111 R)
• M14: 12,638,776 km (0.063 R)
• M15: 13,274,866 km (0.103 R)
• M16: 13,932,199 km (0.109 R)
• M17: 14,610,925 km (0.076 R)
• M18: 14,990,305 km (0.038 R)
• M19: 16,167,939 km (0.057 R)
• M20: 18,631,966 km (0.12 R)
• M21: 21,254,716 km (0.112 R)
• M22: 26,001,606 km (0.088 R)
• M23: 36,818,579 km (0.092 R)
• M24: 41,922,858 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.5

Radius: 5.4

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.17 AU - 10.57 AU

Year: 20342 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,477,046 km

• M1: 67,169 km (0.044 R)
• M2: 338,540 km (0.099 R)
• M3: 1,633,908 km (0.116 R)
• M4: 2,358,710 km (0.077 R)
• M5: 3,028,908 km (0.089 R)
• M6: 3,355,929 km (0.106 R)
• M7: 7,709,377 km (0.095 R)
• M8: 27,112,520 km (0.035 R)
• M9: 32,890,139 km (0.099 R)
• M10: 34,484,104 km (0.053 R)
• M11: 35,110,620 km (0.112 R)
• M12: 37,166,394 km (0.087 R)
• M13: 40,260,228 km (0.057 R)
• M14: 45,290,755 km (0.042 R)
• M15: 46,042,036 km (0.068 R)
• M16: 50,082,674 km (0.104 R)
• M17: 55,714,735 km (0.06 R)
• M18: 56,924,533 km (0.037 R)
• M19: 59,396,189 km (0.12 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 19,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit