🌌 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: 56.3

Radius: 8.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.54 AU - 0.78 AU

Year: 358 Days

Day: 12.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,353,082 km

• M1: 103,223 km (0.047 R)
• M2: 387,907 km (0.118 R)
• M3: 671,694 km (0.096 R)
• M4: 963,859 km (0.095 R)
• M5: 1,461,870 km (0.117 R)
• M6: 1,762,263 km (0.077 R)
• M7: 2,031,090 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.4

Radius: 12.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.56 AU - 2.22 AU

Year: 1733 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,353,082 km

• M1: 150,795 km (0.084 R)
• M2: 560,842 km (0.105 R)
• M3: 1,021,604 km (0.038 R)
• M4: 1,493,136 km (0.097 R)
• M5: 2,461,184 km (0.094 R)
• M6: 3,055,686 km (0.1 R)
• M7: 3,524,376 km (0.1 R)
• M8: 4,247,532 km (0.099 R)
• M9: 4,776,510 km (0.094 R)
• M10: 5,186,708 km (0.035 R)
• M11: 6,056,171 km (0.087 R)
• M12: 6,704,079 km (0.106 R)
• M13: 7,372,183 km (0.063 R)
• M14: 8,841,533 km (0.077 R)
• M15: 9,282,398 km (0.115 R)
• M16: 10,759,677 km (0.119 R)
• M17: 11,365,100 km (0.09 R)
• M18: 11,957,807 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.6

Radius: 12.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.83 AU - 2.45 AU

Year: 2088 Days

Day: 13.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,353,082 km

• M1: 152,141 km (0.09 R)
• M2: 588,668 km (0.117 R)
• M3: 1,316,162 km (0.098 R)
• M4: 2,562,013 km (0.094 R)
• M5: 3,077,827 km (0.084 R)
• M6: 3,788,117 km (0.086 R)
• M7: 5,331,818 km (0.071 R)
• M8: 5,958,633 km (0.057 R)
• M9: 9,289,429 km (0.112 R)
• M10: 10,707,168 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840

Radius: 13.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.95 AU - 4.35 AU

Year: 5638 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,353,082 km

• M1: 166,652 km (0.105 R)
• M2: 875,596 km (0.074 R)
• M3: 1,548,338 km (0.04 R)
• M4: 2,413,612 km (0.056 R)
• M5: 3,155,318 km (0.101 R)
• M6: 4,393,091 km (0.116 R)
• M7: 4,816,303 km (0.05 R)
• M8: 5,413,498 km (0.118 R)
• M9: 6,485,068 km (0.09 R)
• M10: 7,618,421 km (0.108 R)
• M11: 9,258,762 km (0.107 R)
• M12: 10,741,277 km (0.099 R)
• M13: 12,118,924 km (0.108 R)
• M14: 13,227,294 km (0.109 R)
• M15: 17,217,219 km (0.096 R)
• M16: 19,309,644 km (0.092 R)
• M17: 29,573,853 km (0.066 R)
• M18: 30,804,296 km (0.047 R)
• M19: 32,167,282 km (0.096 R)
• M20: 32,663,648 km (0.063 R)
• M21: 33,165,100 km (0.078 R)
• M22: 34,596,602 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.2

Radius: 7.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.1 AU - 7.86 AU

Year: 11000 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,353,082 km

• M1: 93,349 km (0.075 R)
• M2: 377,286 km (0.094 R)
• M3: 636,539 km (0.075 R)
• M4: 1,516,174 km (0.036 R)
• M5: 2,987,320 km (0.111 R)
• M6: 4,194,874 km (0.116 R)
• M7: 4,763,795 km (0.077 R)
• M8: 8,581,233 km (0.081 R)
• M9: 16,615,985 km (0.105 R)
• M10: 17,916,888 km (0.118 R)
• M11: 22,562,201 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.5

Radius: 5.4

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.7 AU - 11.3 AU

Year: 24329 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,353,082 km

• M1: 67,169 km (0.093 R)
• M2: 272,867 km (0.082 R)
• M3: 823,686 km (0.025 R)
• M4: 1,096,104 km (0.06 R)
• M5: 1,785,750 km (0.036 R)
• M6: 1,976,487 km (0.091 R)
• M7: 3,063,316 km (0.107 R)
• M8: 3,968,682 km (0.086 R)
• M9: 6,291,488 km (0.108 R)
• M10: 7,106,198 km (0.078 R)
• M11: 7,787,018 km (0.104 R)
• M12: 8,351,600 km (0.116 R)
• M13: 8,670,992 km (0.058 R)
• M14: 9,277,462 km (0.113 R)
• M15: 10,636,259 km (0.06 R)
• M16: 11,074,730 km (0.091 R)
• M17: 11,525,319 km (0.106 R)
• M18: 13,522,900 km (0.071 R)
• M19: 16,063,819 km (0.09 R)
• M20: 18,366,131 km (0.101 R)
• M21: 20,397,520 km (0.113 R)
• M22: 20,685,646 km (0.108 R)
• M23: 27,150,069 km (0.041 R)
• M24: 28,086,551 km (0.103 R)
• M25: 30,521,706 km (0.115 R)
• M26: 32,962,096 km (0.117 R)
• M27: 33,759,003 km (0.106 R)
• M28: 38,227,043 km (0.063 R)
• M29: 41,825,769 km (0.066 R)
• M30: 46,136,881 km (0.098 R)
• M31: 53,781,332 km (0.115 R)
• M32: 56,003,758 km (0.112 R)
• M33: 59,450,942 km (0.094 R)
• M34: 61,625,796 km (0.067 R)
• M35: 63,444,158 km (0.059 R)
• M36: 68,252,981 km (0.09 R)
• M37: 69,329,488 km (0.102 R)
• M38: 71,737,864 km (0.079 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: 364 - 19,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit