🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.8

Radius: 10.4

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.89 AU - 5.45 AU

Year: 4294 Days

Day: 10.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 99,032,936 km

• M1: 129,552 km (0.118 R)
• M2: 719,416 km (0.083 R)
• M3: 1,053,019 km (0.116 R)
• M4: 1,971,401 km (0.035 R)
• M5: 2,308,594 km (0.119 R)
• M6: 2,754,246 km (0.076 R)
• M7: 3,101,762 km (0.111 R)
• M8: 4,206,692 km (0.064 R)
• M9: 6,614,769 km (0.093 R)
• M10: 6,973,804 km (0.068 R)
• M11: 8,129,896 km (0.075 R)
• M12: 8,968,692 km (0.081 R)
• M13: 10,729,010 km (0.118 R)
• M14: 13,996,826 km (0.097 R)
• M15: 14,920,892 km (0.104 R)
• M16: 16,176,766 km (0.109 R)
• M17: 17,011,821 km (0.118 R)
• M18: 18,190,652 km (0.096 R)
• M19: 18,832,577 km (0.118 R)
• M20: 20,229,821 km (0.087 R)
• M21: 28,351,938 km (0.094 R)
• M22: 28,781,284 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 11.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.9 AU - 7.94 AU

Year: 5941 Days

Day: 9.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 99,032,936 km

• M1: 139,276 km (0.066 R)
• M2: 1,557,763 km (0.05 R)
• M3: 2,712,658 km (0.053 R)
• M4: 3,854,539 km (0.092 R)
• M5: 5,194,487 km (0.043 R)
• M6: 7,426,786 km (0.061 R)
• M7: 8,224,293 km (0.074 R)
• M8: 8,852,304 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.6

Radius: 8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.86 AU - 8.48 AU

Year: 7012 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 99,032,936 km

• M1: 99,483 km (0.062 R)
• M2: 576,700 km (0.106 R)
• M3: 867,967 km (0.037 R)
• M4: 1,186,162 km (0.101 R)
• M5: 1,683,874 km (0.11 R)
• M6: 2,516,087 km (0.054 R)
• M7: 2,936,307 km (0.106 R)
• M8: 4,206,094 km (0.077 R)
• M9: 5,930,957 km (0.097 R)
• M10: 6,443,479 km (0.12 R)
• M11: 8,432,234 km (0.12 R)
• M12: 9,892,159 km (0.109 R)
• M13: 10,938,896 km (0.091 R)
• M14: 14,182,327 km (0.09 R)
• M15: 15,870,539 km (0.084 R)
• M16: 19,711,015 km (0.041 R)
• M17: 22,183,868 km (0.065 R)
• M18: 23,573,483 km (0.119 R)
• M19: 24,612,440 km (0.082 R)
• M20: 28,894,081 km (0.111 R)
• M21: 32,853,936 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.6

Radius: 5.1

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 10.12 AU - 14.92 AU

Year: 16181 Days

Day: 21.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 99,032,936 km

• M1: 66,272 km (0.078 R)
• M2: 257,458 km (0.115 R)
• M3: 456,573 km (0.111 R)
• M4: 1,234,781 km (0.064 R)
• M5: 2,667,180 km (0.098 R)
• M6: 2,896,813 km (0.116 R)
• M7: 3,277,540 km (0.089 R)
• M8: 3,767,473 km (0.046 R)
• M9: 5,974,490 km (0.081 R)
• M10: 6,516,034 km (0.056 R)
• M11: 6,972,158 km (0.035 R)
• M12: 7,248,017 km (0.1 R)
• M13: 8,292,659 km (0.07 R)
• M14: 8,468,735 km (0.105 R)
• M15: 9,722,964 km (0.046 R)
• M16: 11,310,048 km (0.033 R)
• M17: 12,709,685 km (0.058 R)
• M18: 13,300,447 km (0.1 R)
• M19: 15,182,837 km (0.078 R)
• M20: 15,513,000 km (0.094 R)
• M21: 15,915,418 km (0.055 R)
• M22: 17,022,592 km (0.104 R)
• M23: 17,740,063 km (0.092 R)
• M24: 18,254,231 km (0.061 R)
• M25: 23,336,669 km (0.046 R)
• M26: 24,311,300 km (0.09 R)
• M27: 25,312,558 km (0.069 R)
• M28: 35,476,537 km (0.103 R)
• M29: 37,478,455 km (0.083 R)
• M30: 44,469,164 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.1

Radius: 3

Gravity: 86.68 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 10.97 AU - 14.45 AU

Year: 16550 Days

Day: 18.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 99,032,936 km

• M1: 37,250 km (0.077 R)
• M2: 340,485 km (0.112 R)
• M3: 588,967 km (0.1 R)
• M4: 694,882 km (0.083 R)
• M5: 1,004,998 km (0.116 R)
• M6: 2,396,109 km (0.025 R)
• M7: 4,417,176 km (0.1 R)
• M8: 6,939,995 km (0.106 R)
• M9: 8,222,348 km (0.037 R)
• M10: 10,876,962 km (0.076 R)
• M11: 11,747,173 km (0.068 R)
• M12: 16,082,669 km (0.107 R)
• M13: 29,924,062 km (0.073 R)
• M14: 30,886,874 km (0.114 R)
• M15: 31,746,015 km (0.109 R)
• M16: 33,255,607 km (0.117 R)
• M17: 38,491,682 km (0.093 R)
• M18: 43,635,455 km (0.12 R)
• M19: 44,250,901 km (0.116 R)
• M20: 45,184,990 km (0.108 R)
• M21: 47,092,363 km (0.106 R)
• M22: 49,718,104 km (0.103 R)
• M23: 55,259,060 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.9

Radius: 4.1

Gravity: 53.59 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 13.62 AU - 20.64 AU

Year: 25896 Days

Day: 16 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 99,032,936 km

• M1: 51,013 km (0.084 R)
• M2: 239,656 km (0.082 R)
• M3: 426,803 km (0.093 R)
• M4: 628,311 km (0.078 R)
• M5: 1,692,251 km (0.074 R)
• M6: 1,913,955 km (0.091 R)
• M7: 2,515,339 km (0.111 R)
• M8: 2,723,429 km (0.078 R)
• M9: 2,943,039 km (0.034 R)
• M10: 6,872,975 km (0.092 R)
• M11: 7,228,270 km (0.096 R)
• M12: 7,384,300 km (0.04 R)
• M13: 9,374,700 km (0.115 R)
• M14: 11,204,133 km (0.117 R)
• M15: 17,340,787 km (0.075 R)
• M16: 18,093,862 km (0.113 R)
• M17: 18,381,689 km (0.063 R)
• M18: 18,770,344 km (0.103 R)
• M19: 23,075,023 km (0.079 R)
• M20: 29,687,997 km (0.079 R)
• M21: 31,174,102 km (0.07 R)
• M22: 37,927,099 km (0.105 R)
• M23: 53,437,257 km (0.105 R)
• M24: 57,676,561 km (0.041 R)
• M25: 68,428,460 km (0.102 R)
• M26: 69,360,754 km (0.116 R)
• M27: 79,155,225 km (0.09 R)
• M28: 79,411,187 km (0.096 R)
• M29: 95,222,635 km (0.085 R)
• M30: 97,261,953 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 14,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit