🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 14.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,674,100 km

• M1: 184,305 km (0.068 R)
• M2: 662,270 km (0.072 R)
• M3: 1,217,577 km (0.115 R)
• M4: 1,692,401 km (0.116 R)
• M5: 2,598,216 km (0.069 R)
• M6: 3,229,369 km (0.059 R)
• M7: 3,985,736 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.3

Radius: 8.1

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.57 AU - 0.65 AU

Year: 323 Days

Day: 9.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,674,100 km

• M1: 100,679 km (0.048 R)
• M2: 399,576 km (0.072 R)
• M3: 705,354 km (0.065 R)
• M4: 1,119,291 km (0.111 R)
• M5: 1,502,860 km (0.118 R)
• M6: 2,141,194 km (0.113 R)
• M7: 2,465,523 km (0.092 R)
• M8: 2,793,740 km (0.096 R)
• M9: 3,298,035 km (0.031 R)
• M10: 3,617,576 km (0.062 R)
• M11: 4,154,482 km (0.096 R)
• M12: 4,435,577 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 11.6

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.65 AU - 0.79 AU

Year: 414 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,674,100 km

• M1: 144,212 km (0.102 R)
• M2: 505,042 km (0.115 R)
• M3: 1,132,007 km (0.074 R)
• M4: 1,631,963 km (0.085 R)
• M5: 1,997,281 km (0.104 R)
• M6: 2,604,499 km (0.113 R)
• M7: 3,109,541 km (0.113 R)
• M8: 3,565,067 km (0.086 R)
• M9: 3,982,894 km (0.103 R)
• M10: 4,824,531 km (0.067 R)
• M11: 5,940,382 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.3

Radius: 8.7

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.02 AU - 2.54 AU

Year: 2335 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,674,100 km

• M1: 108,159 km (0.09 R)
• M2: 383,270 km (0.049 R)
• M3: 1,613,263 km (0.118 R)
• M4: 1,898,247 km (0.11 R)
• M5: 2,243,070 km (0.108 R)
• M6: 2,688,124 km (0.069 R)
• M7: 3,108,793 km (0.098 R)
• M8: 3,681,903 km (0.047 R)
• M9: 4,201,755 km (0.107 R)
• M10: 5,411,853 km (0.118 R)
• M11: 5,854,363 km (0.095 R)
• M12: 6,535,781 km (0.103 R)
• M13: 7,327,902 km (0.107 R)
• M14: 8,056,444 km (0.03 R)
• M15: 8,503,143 km (0.065 R)
• M16: 9,101,834 km (0.055 R)
• M17: 9,376,795 km (0.051 R)
• M18: 9,835,312 km (0.042 R)
• M19: 10,721,380 km (0.112 R)
• M20: 11,861,765 km (0.091 R)
• M21: 14,106,032 km (0.1 R)
• M22: 14,428,266 km (0.066 R)
• M23: 15,570,894 km (0.056 R)
• M24: 15,964,786 km (0.101 R)
• M25: 18,035,070 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 12

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.98 AU - 2.6 AU

Year: 2350 Days

Day: 6.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,674,100 km

• M1: 149,299 km (0.097 R)
• M2: 568,023 km (0.087 R)
• M3: 1,002,306 km (0.069 R)
• M4: 1,391,111 km (0.068 R)
• M5: 1,793,230 km (0.112 R)
• M6: 2,235,142 km (0.103 R)
• M7: 3,325,860 km (0.053 R)
• M8: 3,942,652 km (0.077 R)
• M9: 5,216,927 km (0.072 R)
• M10: 8,049,413 km (0.084 R)
• M11: 8,561,785 km (0.039 R)
• M12: 9,475,679 km (0.094 R)
• M13: 13,169,699 km (0.075 R)
• M14: 13,701,669 km (0.098 R)
• M15: 15,046,703 km (0.095 R)
• M16: 15,432,816 km (0.117 R)
• M17: 15,825,510 km (0.067 R)
• M18: 16,325,765 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.6

Radius: 11

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.48 AU - 3.36 AU

Year: 3384 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,674,100 km

• M1: 136,882 km (0.074 R)
• M2: 911,051 km (0.117 R)
• M3: 2,258,778 km (0.081 R)
• M4: 3,475,458 km (0.073 R)
• M5: 4,061,133 km (0.035 R)
• M6: 4,688,846 km (0.076 R)
• M7: 5,062,093 km (0.094 R)
• M8: 5,685,467 km (0.104 R)
• M9: 6,083,547 km (0.092 R)
• M10: 6,876,715 km (0.081 R)
• M11: 11,826,011 km (0.112 R)
• M12: 15,990,816 km (0.104 R)
• M13: 20,855,439 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.5

Radius: 9.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3 AU - 3.62 AU

Year: 4084 Days

Day: 5.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,674,100 km

• M1: 118,182 km (0.051 R)
• M2: 746,194 km (0.105 R)
• M3: 1,051,224 km (0.076 R)
• M4: 1,533,079 km (0.104 R)
• M5: 1,879,847 km (0.11 R)
• M6: 3,197,206 km (0.058 R)
• M7: 4,882,127 km (0.09 R)
• M8: 7,773,255 km (0.03 R)
• M9: 10,008,247 km (0.084 R)
• M10: 16,170,183 km (0.119 R)
• M11: 18,473,093 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.3

Radius: 9.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.85 AU - 4.41 AU

Year: 5693 Days

Day: 7.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,674,100 km

• M1: 140,323 km (0.117 R)
• M2: 906,413 km (0.106 R)
• M3: 2,839,368 km (0.084 R)
• M4: 3,942,203 km (0.101 R)
• M5: 6,622,399 km (0.109 R)
• M6: 7,961,449 km (0.094 R)
• M7: 10,296,073 km (0.092 R)
• M8: 11,851,143 km (0.095 R)
• M9: 12,482,746 km (0.058 R)
• M10: 15,053,136 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.9

Radius: 3.4

Gravity: 80.87 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.3 AU - 7.78 AU

Year: 14043 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 66,674,100 km

• M1: 42,336 km (0.117 R)
• M2: 513,869 km (0.117 R)
• M3: 1,046,437 km (0.105 R)
• M4: 1,650,663 km (0.113 R)
• M5: 2,027,350 km (0.108 R)
• M6: 3,500,141 km (0.096 R)
• M7: 5,953,696 km (0.099 R)
• M8: 7,785,821 km (0.09 R)
• M9: 8,026,375 km (0.078 R)
• M10: 10,651,368 km (0.104 R)
• M11: 11,371,832 km (0.112 R)
• M12: 11,932,973 km (0.099 R)
• M13: 12,709,685 km (0.041 R)
• M14: 16,703,350 km (0.106 R)
• M15: 17,427,703 km (0.118 R)
• M16: 18,680,885 km (0.04 R)
• M17: 19,637,413 km (0.115 R)
• M18: 20,262,732 km (0.093 R)
• M19: 20,809,064 km (0.075 R)
• M20: 22,026,790 km (0.114 R)
• M21: 22,995,137 km (0.104 R)
• M22: 23,291,042 km (0.03 R)
• M23: 28,152,524 km (0.074 R)
• M24: 29,873,199 km (0.047 R)
• M25: 30,580,647 km (0.113 R)
• M26: 31,784,312 km (0.101 R)
• M27: 32,645,547 km (0.097 R)
• M28: 37,729,929 km (0.073 R)
• M29: 39,394,355 km (0.026 R)
• M30: 40,674,315 km (0.092 R)
• M31: 42,720,215 km (0.119 R)
• M32: 43,919,541 km (0.102 R)
• M33: 44,527,507 km (0.053 R)
• M34: 44,833,584 km (0.06 R)
• M35: 47,015,619 km (0.084 R)
• M36: 50,419,868 km (0.053 R)
• M37: 55,739,568 km (0.07 R)
• M38: 59,733,831 km (0.101 R)
• M39: 60,667,472 km (0.096 R)
• M40: 63,333,306 km (0.102 R)
• M41: 64,499,421 km (0.06 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: 164 - 14,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit