🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.2

Radius: 13.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.62 AU - 0.98 AU

Year: 503 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 171.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,383,574 km

• M1: 169,195 km (0.111 R)
• M2: 912,248 km (0.117 R)
• M3: 1,832,724 km (0.118 R)
• M4: 2,274,935 km (0.119 R)
• M5: 3,011,704 km (0.082 R)
• M6: 3,661,707 km (0.098 R)
• M7: 4,184,103 km (0.116 R)
• M8: 6,021,165 km (0.094 R)
• M9: 6,772,595 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 9.2

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.17 AU - 2.45 AU

Year: 2468 Days

Day: 9.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,383,574 km

• M1: 114,442 km (0.03 R)
• M2: 486,343 km (0.086 R)
• M3: 803,191 km (0.09 R)
• M4: 1,503,608 km (0.094 R)
• M5: 2,045,900 km (0.087 R)
• M6: 3,274,548 km (0.11 R)
• M7: 3,739,797 km (0.092 R)
• M8: 5,167,410 km (0.057 R)
• M9: 8,038,193 km (0.036 R)
• M10: 9,297,657 km (0.073 R)
• M11: 11,188,275 km (0.064 R)
• M12: 11,587,103 km (0.113 R)
• M13: 12,078,083 km (0.065 R)
• M14: 12,413,183 km (0.048 R)
• M15: 12,970,883 km (0.097 R)
• M16: 14,090,175 km (0.114 R)
• M17: 15,223,977 km (0.09 R)
• M18: 15,763,576 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.8

Radius: 11.3

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.23 AU - 3.49 AU

Year: 3400 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,383,574 km

• M1: 140,472 km (0.035 R)
• M2: 556,504 km (0.11 R)
• M3: 976,575 km (0.039 R)
• M4: 1,670,709 km (0.064 R)
• M5: 2,309,941 km (0.113 R)
• M6: 3,312,695 km (0.108 R)
• M7: 3,945,494 km (0.117 R)
• M8: 4,608,811 km (0.114 R)
• M9: 5,056,857 km (0.053 R)
• M10: 6,187,518 km (0.099 R)
• M11: 6,548,348 km (0.103 R)
• M12: 8,206,939 km (0.057 R)
• M13: 13,904,972 km (0.112 R)
• M14: 14,737,784 km (0.109 R)
• M15: 16,049,159 km (0.033 R)
• M16: 16,849,208 km (0.072 R)
• M17: 18,528,893 km (0.103 R)
• M18: 19,028,700 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 14.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.8 AU - 4.8 AU

Year: 6268 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,383,574 km

• M1: 178,620 km (0.1 R)
• M2: 638,484 km (0.071 R)
• M3: 2,272,392 km (0.097 R)
• M4: 5,499,517 km (0.073 R)
• M5: 6,204,422 km (0.058 R)
• M6: 7,275,094 km (0.107 R)
• M7: 9,173,641 km (0.064 R)
• M8: 9,678,982 km (0.077 R)
• M9: 10,672,162 km (0.097 R)
• M10: 11,345,652 km (0.088 R)
• M11: 11,928,635 km (0.058 R)
• M12: 14,917,900 km (0.032 R)
• M13: 16,097,180 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.8

Radius: 3.5

Gravity: 37.04 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.06 AU - 6.1 AU

Year: 9265 Days

Day: 23.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,383,574 km

• M1: 124,765 km (0.089 R)
• M2: 241,900 km (0.059 R)
• M3: 426,803 km (0.054 R)
• M4: 1,114,654 km (0.067 R)
• M5: 1,319,154 km (0.06 R)
• M6: 3,024,719 km (0.082 R)
• M7: 3,153,673 km (0.08 R)
• M8: 3,263,926 km (0.115 R)
• M9: 3,492,362 km (0.101 R)
• M10: 4,241,548 km (0.116 R)
• M11: 4,653,691 km (0.053 R)
• M12: 4,942,863 km (0.107 R)
• M13: 5,367,871 km (0.108 R)
• M14: 6,289,992 km (0.1 R)
• M15: 7,236,498 km (0.111 R)
• M16: 7,624,405 km (0.113 R)
• M17: 8,357,584 km (0.086 R)
• M18: 9,047,679 km (0.11 R)
• M19: 9,681,974 km (0.105 R)
• M20: 9,868,523 km (0.07 R)
• M21: 11,242,130 km (0.104 R)
• M22: 16,913,236 km (0.113 R)
• M23: 17,733,780 km (0.095 R)
• M24: 24,491,565 km (0.115 R)
• M25: 27,821,015 km (0.113 R)
• M26: 32,887,147 km (0.084 R)
• M27: 34,703,564 km (0.049 R)

Asteroid Belt

Center: 6.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.8

Radius: 7.9

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.07 AU - 7.29 AU

Year: 13524 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,383,574 km

• M1: 98,735 km (0.11 R)
• M2: 400,174 km (0.026 R)
• M3: 1,175,690 km (0.117 R)
• M4: 1,602,343 km (0.102 R)
• M5: 2,129,077 km (0.104 R)
• M6: 2,413,462 km (0.083 R)
• M7: 3,153,523 km (0.097 R)
• M8: 4,150,443 km (0.11 R)
• M9: 6,710,661 km (0.112 R)
• M10: 7,368,593 km (0.057 R)
• M11: 8,435,375 km (0.06 R)
• M12: 12,131,340 km (0.101 R)
• M13: 12,981,954 km (0.099 R)
• M14: 15,701,344 km (0.119 R)
• M15: 17,081,534 km (0.091 R)
• M16: 19,098,861 km (0.093 R)
• M17: 19,998,393 km (0.112 R)
• M18: 21,011,470 km (0.081 R)
• M19: 21,443,508 km (0.057 R)
• M20: 25,701,064 km (0.062 R)
• M21: 27,202,877 km (0.056 R)
• M22: 28,550,903 km (0.054 R)
• M23: 31,044,101 km (0.055 R)
• M24: 33,914,884 km (0.091 R)
• M25: 36,957,855 km (0.046 R)
• M26: 40,178,099 km (0.081 R)
• M27: 45,280,134 km (0.105 R)
• M28: 49,112,981 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.9

Radius: 7.2

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.56 AU - 12.38 AU

Year: 22128 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,383,574 km

• M1: 89,759 km (0.091 R)
• M2: 748,737 km (0.118 R)
• M3: 1,145,770 km (0.118 R)
• M4: 1,827,637 km (0.059 R)
• M5: 2,337,616 km (0.107 R)
• M6: 3,927,842 km (0.111 R)
• M7: 4,813,162 km (0.085 R)
• M8: 5,322,991 km (0.083 R)
• M9: 6,358,358 km (0.093 R)
• M10: 7,021,077 km (0.116 R)
• M11: 7,521,931 km (0.097 R)
• M12: 7,781,184 km (0.113 R)
• M13: 10,647,628 km (0.119 R)
• M14: 13,685,064 km (0.03 R)
• M15: 14,466,114 km (0.117 R)
• M16: 19,788,806 km (0.07 R)
• M17: 23,318,568 km (0.09 R)
• M18: 24,658,367 km (0.055 R)
• M19: 24,886,503 km (0.117 R)
• M20: 25,116,136 km (0.086 R)
• M21: 25,463,203 km (0.104 R)
• M22: 27,982,731 km (0.114 R)
• M23: 32,680,702 km (0.119 R)
• M24: 34,356,497 km (0.068 R)
• M25: 36,827,405 km (0.09 R)
• M26: 44,777,335 km (0.099 R)
• M27: 45,458,604 km (0.076 R)
• M28: 57,722,189 km (0.088 R)
• M29: 61,412,918 km (0.118 R)
• M30: 63,102,476 km (0.088 R)
• M31: 71,321,533 km (0.11 R)
• M32: 72,250,685 km (0.06 R)
• M33: 75,325,969 km (0.084 R)
• M34: 89,842,946 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 16,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit