🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 13.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.56 AU - 0.76 AU

Year: 377 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 22,802,205 km

• M1: 172,935 km (0.081 R)
• M2: 641,476 km (0.066 R)
• M3: 1,206,806 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 13.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.59 AU - 0.77 AU

Year: 394 Days

Day: 5.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,802,205 km

• M1: 166,802 km (0.113 R)
• M2: 810,671 km (0.098 R)
• M3: 1,356,254 km (0.087 R)
• M4: 2,177,098 km (0.105 R)
• M5: 3,094,582 km (0.084 R)
• M6: 3,543,525 km (0.097 R)
• M7: 4,330,858 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.3

Radius: 9.7

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.95 AU - 1.27 AU

Year: 822 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,802,205 km

• M1: 120,576 km (0.105 R)
• M2: 454,927 km (0.059 R)
• M3: 844,929 km (0.073 R)
• M4: 1,195,137 km (0.09 R)
• M5: 1,569,282 km (0.09 R)
• M6: 1,907,672 km (0.081 R)
• M7: 2,232,299 km (0.076 R)
• M8: 2,856,422 km (0.09 R)
• M9: 3,478,450 km (0.113 R)
• M10: 4,076,841 km (0.09 R)
• M11: 4,672,689 km (0.104 R)
• M12: 5,138,238 km (0.065 R)
• M13: 5,459,275 km (0.043 R)
• M14: 5,914,950 km (0.062 R)
• M15: 6,289,094 km (0.112 R)
• M16: 6,634,815 km (0.106 R)
• M17: 7,822,921 km (0.093 R)
• M18: 8,930,245 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 9.8

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.08 AU - 1.76 AU

Year: 1189 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,802,205 km

• M1: 121,922 km (0.099 R)
• M2: 619,485 km (0.103 R)
• M3: 1,108,819 km (0.103 R)
• M4: 1,796,820 km (0.109 R)
• M5: 2,597,468 km (0.085 R)
• M6: 4,154,034 km (0.082 R)
• M7: 5,024,394 km (0.12 R)
• M8: 5,881,739 km (0.106 R)
• M9: 7,728,376 km (0.107 R)
• M10: 10,850,184 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.8

Radius: 10.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.35 AU - 1.95 AU

Year: 1490 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,802,205 km

• M1: 126,111 km (0.101 R)
• M2: 516,861 km (0.088 R)
• M3: 1,148,912 km (0.089 R)
• M4: 1,574,817 km (0.065 R)
• M5: 2,428,572 km (0.057 R)
• M6: 2,880,507 km (0.063 R)
• M7: 3,428,185 km (0.115 R)
• M8: 4,323,378 km (0.103 R)
• M9: 4,681,965 km (0.081 R)
• M10: 5,312,071 km (0.095 R)
• M11: 6,914,563 km (0.105 R)
• M12: 7,498,593 km (0.091 R)
• M13: 8,091,001 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.1

Radius: 5.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.97 AU - 8.13 AU

Year: 13158 Days

Day: 20.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,802,205 km

• M1: 85,570 km (0.117 R)
• M2: 390,301 km (0.099 R)
• M3: 990,188 km (0.077 R)
• M4: 4,962,760 km (0.062 R)
• M5: 5,624,581 km (0.109 R)
• M6: 7,551,401 km (0.073 R)
• M7: 9,056,057 km (0.1 R)
• M8: 11,226,423 km (0.066 R)
• M9: 13,821,347 km (0.074 R)
• M10: 14,332,523 km (0.114 R)
• M11: 16,277,894 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.4

Radius: 5.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.69 AU - 10.29 AU

Year: 18947 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 117.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,802,205 km

• M1: 66,272 km (0.063 R)
• M2: 385,663 km (0.082 R)
• M3: 767,736 km (0.075 R)
• M4: 1,023,997 km (0.047 R)
• M5: 1,218,026 km (0.088 R)
• M6: 3,142,902 km (0.106 R)
• M7: 4,110,800 km (0.107 R)
• M8: 4,353,448 km (0.099 R)
• M9: 4,779,054 km (0.1 R)
• M10: 5,420,978 km (0.116 R)
• M11: 5,614,558 km (0.095 R)
• M12: 7,690,677 km (0.058 R)
• M13: 8,700,463 km (0.093 R)
• M14: 10,877,560 km (0.103 R)
• M15: 13,276,362 km (0.069 R)
• M16: 16,607,009 km (0.081 R)
• M17: 20,068,854 km (0.109 R)
• M18: 22,295,468 km (0.115 R)
• M19: 25,035,503 km (0.064 R)
• M20: 26,301,849 km (0.093 R)
• M21: 29,059,686 km (0.119 R)
• M22: 33,602,674 km (0.074 R)
• M23: 37,771,518 km (0.11 R)
• M24: 39,676,347 km (0.061 R)
• M25: 41,146,146 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.4

Radius: 6.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.25 AU - 11.99 AU

Year: 22630 Days

Day: 16.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,802,205 km

• M1: 82,129 km (0.072 R)
• M2: 441,314 km (0.092 R)
• M3: 2,956,353 km (0.033 R)
• M4: 3,679,659 km (0.117 R)
• M5: 12,979,410 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 10,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit