🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.5

Radius: 12.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.91 AU - 1.41 AU

Year: 862 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,905,581 km

• M1: 160,519 km (0.107 R)
• M2: 624,870 km (0.08 R)
• M3: 1,512,285 km (0.059 R)
• M4: 1,913,806 km (0.07 R)
• M5: 2,613,475 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.91 AU - 5.53 AU

Year: 7078 Days

Day: 11.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,905,581 km

• M1: 185,352 km (0.114 R)
• M2: 1,753,885 km (0.04 R)
• M3: 2,501,426 km (0.118 R)
• M4: 3,154,271 km (0.102 R)
• M5: 3,659,014 km (0.1 R)
• M6: 4,192,630 km (0.099 R)
• M7: 6,349,083 km (0.095 R)
• M8: 8,612,649 km (0.118 R)
• M9: 14,496,931 km (0.09 R)
• M10: 16,742,994 km (0.09 R)
• M11: 25,207,540 km (0.117 R)
• M12: 27,333,476 km (0.082 R)
• M13: 30,841,695 km (0.091 R)
• M14: 36,484,976 km (0.105 R)
• M15: 37,375,831 km (0.063 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.4

Radius: 7.7

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.84 AU - 8.54 AU

Year: 14720 Days

Day: 23.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,905,581 km

• M1: 95,892 km (0.101 R)
• M2: 384,766 km (0.104 R)
• M3: 660,175 km (0.105 R)
• M4: 1,601,744 km (0.047 R)
• M5: 4,465,646 km (0.065 R)
• M6: 5,258,365 km (0.104 R)
• M7: 6,249,601 km (0.109 R)
• M8: 7,080,916 km (0.113 R)
• M9: 7,605,556 km (0.049 R)
• M10: 8,823,582 km (0.117 R)
• M11: 9,917,292 km (0.107 R)
• M12: 12,777,304 km (0.116 R)
• M13: 14,111,268 km (0.109 R)
• M14: 15,006,910 km (0.101 R)
• M15: 16,144,901 km (0.101 R)
• M16: 18,441,229 km (0.065 R)
• M17: 20,702,700 km (0.031 R)
• M18: 24,296,489 km (0.032 R)
• M19: 25,394,987 km (0.027 R)
• M20: 34,368,166 km (0.092 R)
• M21: 35,170,609 km (0.112 R)
• M22: 36,456,552 km (0.115 R)
• M23: 37,773,462 km (0.111 R)
• M24: 40,502,128 km (0.064 R)
• M25: 43,759,172 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.8

Radius: 4.9

Gravity: 29.44 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.4 AU - 9.12 AU

Year: 14921 Days

Day: 15.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,905,581 km

• M1: 61,036 km (0.116 R)
• M2: 515,215 km (0.118 R)
• M3: 1,013,077 km (0.027 R)
• M4: 1,250,189 km (0.053 R)
• M5: 1,699,581 km (0.103 R)
• M6: 1,979,928 km (0.119 R)
• M7: 2,633,072 km (0.04 R)
• M8: 2,816,778 km (0.057 R)
• M9: 3,366,401 km (0.096 R)
• M10: 4,196,519 km (0.053 R)
• M11: 4,577,096 km (0.091 R)
• M12: 5,591,520 km (0.113 R)
• M13: 6,663,089 km (0.101 R)
• M14: 6,875,518 km (0.106 R)
• M15: 10,010,491 km (0.054 R)
• M16: 11,762,432 km (0.057 R)
• M17: 12,710,882 km (0.098 R)
• M18: 14,615,562 km (0.119 R)
• M19: 15,119,857 km (0.056 R)
• M20: 16,858,782 km (0.039 R)
• M21: 18,642,587 km (0.107 R)
• M22: 19,928,531 km (0.049 R)
• M23: 20,818,040 km (0.099 R)
• M24: 21,548,376 km (0.093 R)
• M25: 23,940,895 km (0.113 R)
• M26: 26,293,172 km (0.056 R)
• M27: 30,626,274 km (0.106 R)
• M28: 31,570,237 km (0.064 R)
• M29: 31,929,272 km (0.054 R)
• M30: 34,645,221 km (0.053 R)
• M31: 34,899,538 km (0.116 R)
• M32: 35,411,910 km (0.049 R)
• M33: 39,553,677 km (0.107 R)
• M34: 45,664,301 km (0.069 R)
• M35: 45,817,041 km (0.059 R)
• M36: 50,069,510 km (0.109 R)
• M37: 53,046,059 km (0.1 R)
• M38: 59,349,066 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668

Radius: 7.2

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.09 AU - 9.89 AU

Year: 18606 Days

Day: 17.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 162.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,905,581 km

• M1: 89,609 km (0.117 R)
• M2: 423,960 km (0.061 R)
• M3: 793,318 km (0.116 R)
• M4: 1,266,346 km (0.064 R)
• M5: 1,769,593 km (0.087 R)
• M6: 2,509,654 km (0.082 R)
• M7: 3,116,124 km (0.048 R)
• M8: 4,789,974 km (0.034 R)
• M9: 5,448,354 km (0.109 R)
• M10: 7,689,331 km (0.058 R)
• M11: 8,435,525 km (0.099 R)
• M12: 10,600,804 km (0.113 R)
• M13: 11,651,131 km (0.089 R)
• M14: 13,319,446 km (0.118 R)
• M15: 15,992,910 km (0.104 R)
• M16: 19,721,188 km (0.111 R)
• M17: 20,086,357 km (0.098 R)
• M18: 21,019,249 km (0.106 R)
• M19: 21,785,938 km (0.07 R)
• M20: 22,373,259 km (0.068 R)
• M21: 24,617,078 km (0.06 R)
• M22: 25,684,907 km (0.103 R)
• M23: 28,605,207 km (0.11 R)
• M24: 32,748,320 km (0.093 R)
• M25: 40,709,321 km (0.108 R)
• M26: 43,573,821 km (0.081 R)
• M27: 44,819,073 km (0.09 R)
• M28: 46,248,331 km (0.091 R)
• M29: 54,386,605 km (0.085 R)
• M30: 58,416,173 km (0.105 R)
• M31: 62,052,449 km (0.028 R)
• M32: 66,857,981 km (0.083 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: 186 - 15,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit