🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54

Radius: 13.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.61 AU - 0.77 AU

Year: 382 Days

Day: 5.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,406,305 km

• M1: 162,912 km (0.064 R)
• M2: 687,402 km (0.054 R)
• M3: 1,216,231 km (0.103 R)
• M4: 1,830,031 km (0.05 R)
• M5: 2,242,173 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230

Radius: 12.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.78 AU - 1.14 AU

Year: 627 Days

Day: 12.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,406,305 km

• M1: 156,629 km (0.066 R)
• M2: 637,287 km (0.12 R)
• M3: 1,597,256 km (0.082 R)
• M4: 2,006,257 km (0.071 R)
• M5: 2,432,162 km (0.099 R)
• M6: 3,323,765 km (0.093 R)
• M7: 4,027,324 km (0.084 R)
• M8: 4,629,007 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.4

Radius: 8.8

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.98 AU - 1.1 AU

Year: 707 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,406,305 km

• M1: 109,506 km (0.117 R)
• M2: 386,112 km (0.115 R)
• M3: 796,758 km (0.11 R)
• M4: 1,231,340 km (0.06 R)
• M5: 1,664,127 km (0.087 R)
• M6: 2,138,950 km (0.103 R)
• M7: 2,444,728 km (0.088 R)
• M8: 2,802,716 km (0.101 R)
• M9: 3,424,744 km (0.047 R)
• M10: 4,471,780 km (0.044 R)
• M11: 5,181,023 km (0.064 R)
• M12: 5,463,464 km (0.096 R)
• M13: 6,214,744 km (0.069 R)
• M14: 6,594,873 km (0.065 R)
• M15: 7,335,980 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 9.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.36 AU - 1.86 AU

Year: 1362 Days

Day: 12.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,406,305 km

• M1: 123,269 km (0.117 R)
• M2: 469,438 km (0.108 R)
• M3: 793,318 km (0.116 R)
• M4: 1,205,310 km (0.082 R)
• M5: 1,522,308 km (0.088 R)
• M6: 2,080,009 km (0.076 R)
• M7: 2,613,176 km (0.048 R)
• M8: 3,416,067 km (0.055 R)
• M9: 3,906,300 km (0.103 R)
• M10: 4,425,853 km (0.079 R)
• M11: 5,064,935 km (0.029 R)
• M12: 5,723,914 km (0.115 R)
• M13: 9,416,887 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431

Radius: 12

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.57 AU - 3.43 AU

Year: 3465 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,406,305 km

• M1: 149,299 km (0.106 R)
• M2: 925,861 km (0.096 R)
• M3: 1,370,167 km (0.098 R)
• M4: 2,264,313 km (0.117 R)
• M5: 2,961,140 km (0.049 R)
• M6: 4,033,159 km (0.112 R)
• M7: 4,850,711 km (0.071 R)
• M8: 7,018,683 km (0.04 R)
• M9: 7,909,688 km (0.054 R)
• M10: 11,733,410 km (0.104 R)
• M11: 15,811,597 km (0.104 R)
• M12: 19,138,205 km (0.117 R)
• M13: 20,022,628 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 10.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.71 AU - 4.89 AU

Year: 5946 Days

Day: 10.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,406,305 km

• M1: 135,087 km (0.097 R)
• M2: 589,116 km (0.116 R)
• M3: 964,757 km (0.12 R)
• M4: 1,324,839 km (0.094 R)
• M5: 2,851,635 km (0.108 R)
• M6: 3,216,953 km (0.119 R)
• M7: 4,020,592 km (0.032 R)
• M8: 5,004,348 km (0.066 R)
• M9: 5,429,206 km (0.098 R)
• M10: 7,409,134 km (0.074 R)
• M11: 8,432,084 km (0.117 R)
• M12: 10,800,218 km (0.119 R)
• M13: 11,740,890 km (0.074 R)
• M14: 12,207,785 km (0.053 R)
• M15: 13,029,675 km (0.079 R)
• M16: 15,054,183 km (0.105 R)
• M17: 15,717,351 km (0.096 R)
• M18: 17,280,499 km (0.108 R)
• M19: 18,754,636 km (0.102 R)
• M20: 25,109,853 km (0.091 R)
• M21: 25,651,248 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.1

Radius: 13.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.21 AU - 4.97 AU

Year: 6558 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,406,305 km

• M1: 168,447 km (0.102 R)
• M2: 654,640 km (0.056 R)
• M3: 1,167,312 km (0.087 R)
• M4: 1,664,725 km (0.082 R)
• M5: 2,216,292 km (0.111 R)
• M6: 2,854,028 km (0.087 R)
• M7: 3,907,796 km (0.075 R)
• M8: 4,971,885 km (0.047 R)
• M9: 5,448,354 km (0.114 R)
• M10: 6,586,794 km (0.101 R)
• M11: 7,600,320 km (0.066 R)
• M12: 9,058,749 km (0.101 R)
• M13: 10,019,018 km (0.059 R)
• M14: 10,696,248 km (0.096 R)
• M15: 11,358,667 km (0.112 R)
• M16: 12,765,785 km (0.091 R)
• M17: 13,972,890 km (0.069 R)
• M18: 16,151,633 km (0.108 R)
• M19: 20,361,617 km (0.108 R)
• M20: 23,080,109 km (0.12 R)
• M21: 25,484,745 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.1

Radius: 10.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.24 AU - 5.54 AU

Year: 7211 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,406,305 km

• M1: 151,393 km (0.08 R)
• M2: 658,679 km (0.104 R)
• M3: 1,118,842 km (0.119 R)
• M4: 1,642,734 km (0.098 R)
• M5: 2,462,082 km (0.111 R)
• M6: 3,044,765 km (0.064 R)
• M7: 4,512,919 km (0.053 R)
• M8: 8,450,036 km (0.109 R)
• M9: 10,702,980 km (0.098 R)
• M10: 11,138,609 km (0.039 R)
• M11: 12,253,412 km (0.102 R)
• M12: 14,941,835 km (0.101 R)
• M13: 16,296,444 km (0.076 R)
• M14: 18,756,880 km (0.074 R)
• M15: 19,319,667 km (0.037 R)
• M16: 19,821,419 km (0.109 R)
• M17: 20,479,201 km (0.092 R)
• M18: 21,455,027 km (0.109 R)
• M19: 23,016,380 km (0.087 R)
• M20: 24,318,929 km (0.114 R)
• M21: 27,880,406 km (0.104 R)
• M22: 28,613,734 km (0.094 R)
• M23: 32,073,933 km (0.118 R)
• M24: 33,800,891 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.5

Radius: 5.8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.88 AU - 11.98 AU

Year: 24097 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 176.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,406,305 km

• M1: 131,347 km (0.115 R)
• M2: 452,982 km (0.068 R)
• M3: 992,133 km (0.115 R)
• M4: 1,554,322 km (0.115 R)
• M5: 3,379,117 km (0.068 R)
• M6: 4,838,444 km (0.062 R)
• M7: 5,898,943 km (0.119 R)
• M8: 7,227,372 km (0.118 R)
• M9: 8,789,772 km (0.086 R)
• M10: 9,502,756 km (0.112 R)
• M11: 13,592,463 km (0.105 R)
• M12: 15,675,762 km (0.109 R)
• M13: 19,817,529 km (0.099 R)
• M14: 21,373,497 km (0.03 R)
• M15: 22,138,241 km (0.113 R)
• M16: 38,950,050 km (0.107 R)
• M17: 40,089,686 km (0.044 R)
• M18: 41,643,709 km (0.106 R)
• M19: 42,835,106 km (0.102 R)
• M20: 45,424,795 km (0.062 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 18,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit