🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 14.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.92 AU - 1.5 AU

Year: 936 Days

Day: 14.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,601,813 km

• M1: 182,809 km (0.094 R)
• M2: 697,575 km (0.074 R)
• M3: 1,425,069 km (0.109 R)
• M4: 2,110,826 km (0.098 R)
• M5: 2,776,387 km (0.118 R)
• M6: 3,770,315 km (0.094 R)
• M7: 4,534,461 km (0.094 R)
• M8: 5,008,537 km (0.08 R)
• M9: 5,672,602 km (0.11 R)
• M10: 6,245,711 km (0.098 R)
• M11: 7,271,504 km (0.083 R)

Asteroid Belt

Center: 2.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 13.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.63 AU - 4.15 AU

Year: 5393 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,601,813 km

• M1: 183,706 km (0.11 R)
• M2: 1,037,162 km (0.064 R)
• M3: 2,094,370 km (0.088 R)
• M4: 2,950,968 km (0.087 R)
• M5: 5,801,256 km (0.096 R)
• M6: 7,075,381 km (0.06 R)
• M7: 7,549,307 km (0.095 R)
• M8: 12,396,577 km (0.045 R)
• M9: 13,713,338 km (0.111 R)
• M10: 16,883,466 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 8.8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.56 AU - 4.54 AU

Year: 5729 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,601,813 km

• M1: 109,506 km (0.08 R)
• M2: 693,237 km (0.071 R)
• M3: 1,201,720 km (0.077 R)
• M4: 2,137,754 km (0.101 R)
• M5: 2,740,483 km (0.07 R)
• M6: 3,586,908 km (0.081 R)
• M7: 5,894,007 km (0.116 R)
• M8: 8,191,381 km (0.068 R)
• M9: 8,680,566 km (0.028 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.7

Radius: 5.4

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.38 AU - 7.82 AU

Year: 11919 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,601,813 km

• M1: 67,319 km (0.096 R)
• M2: 555,906 km (0.104 R)
• M3: 961,615 km (0.105 R)
• M4: 1,158,187 km (0.103 R)
• M5: 1,329,476 km (0.038 R)
• M6: 1,850,376 km (0.09 R)
• M7: 2,744,074 km (0.079 R)
• M8: 3,658,416 km (0.077 R)
• M9: 3,895,379 km (0.043 R)
• M10: 4,668,501 km (0.059 R)
• M11: 6,822,710 km (0.073 R)
• M12: 8,026,973 km (0.101 R)
• M13: 9,415,092 km (0.097 R)
• M14: 10,217,385 km (0.057 R)
• M15: 10,582,254 km (0.112 R)
• M16: 11,560,624 km (0.063 R)
• M17: 13,323,037 km (0.11 R)
• M18: 21,228,985 km (0.107 R)
• M19: 21,567,076 km (0.065 R)
• M20: 22,428,162 km (0.086 R)
• M21: 23,044,355 km (0.084 R)
• M22: 23,581,412 km (0.101 R)
• M23: 29,003,437 km (0.093 R)
• M24: 33,804,930 km (0.098 R)
• M25: 42,092,353 km (0.067 R)
• M26: 43,299,308 km (0.036 R)
• M27: 44,254,042 km (0.086 R)
• M28: 45,922,956 km (0.072 R)
• M29: 46,488,586 km (0.071 R)
• M30: 49,090,990 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.2

Radius: 3.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.26 AU - 7.02 AU

Year: 12027 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,601,813 km

• M1: 59,241 km (0.111 R)
• M2: 950,994 km (0.089 R)
• M3: 2,099,307 km (0.08 R)
• M4: 3,340,371 km (0.088 R)
• M5: 4,155,978 km (0.119 R)
• M6: 7,083,160 km (0.088 R)
• M7: 7,729,124 km (0.052 R)
• M8: 8,413,384 km (0.119 R)
• M9: 13,663,522 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213

Radius: 5

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.43 AU - 8.89 AU

Year: 13467 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,601,813 km

• M1: 62,233 km (0.063 R)
• M2: 270,473 km (0.111 R)
• M3: 494,720 km (0.076 R)
• M4: 757,115 km (0.093 R)
• M5: 1,616,255 km (0.099 R)
• M6: 2,000,722 km (0.105 R)
• M7: 2,407,628 km (0.11 R)
• M8: 3,294,444 km (0.052 R)
• M9: 3,499,693 km (0.036 R)
• M10: 3,665,297 km (0.056 R)
• M11: 3,910,788 km (0.118 R)
• M12: 4,326,520 km (0.047 R)
• M13: 4,742,552 km (0.099 R)
• M14: 4,945,556 km (0.082 R)
• M15: 5,369,068 km (0.065 R)
• M16: 6,569,142 km (0.103 R)
• M17: 10,771,047 km (0.091 R)
• M18: 13,335,753 km (0.118 R)
• M19: 13,624,327 km (0.119 R)
• M20: 15,067,647 km (0.069 R)
• M21: 16,149,689 km (0.086 R)
• M22: 17,214,377 km (0.079 R)
• M23: 17,833,413 km (0.037 R)
• M24: 23,330,536 km (0.108 R)
• M25: 26,915,649 km (0.084 R)
• M26: 28,694,816 km (0.113 R)
• M27: 28,982,792 km (0.104 R)
• M28: 29,662,116 km (0.118 R)
• M29: 31,254,586 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 16,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit