🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723

Radius: 10.1

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.64 AU - 0.84 AU

Year: 439 Days

Day: 12.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,833,252 km

• M1: 125,662 km (0.107 R)
• M2: 529,876 km (0.105 R)
• M3: 896,690 km (0.099 R)
• M4: 1,216,231 km (0.041 R)
• M5: 1,852,171 km (0.099 R)
• M6: 2,421,840 km (0.113 R)
• M7: 2,821,565 km (0.071 R)
• M8: 3,241,786 km (0.12 R)
• M9: 3,767,622 km (0.084 R)
• M10: 4,335,346 km (0.12 R)
• M11: 4,654,887 km (0.115 R)
• M12: 5,624,730 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.7

Radius: 13.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.58 AU - 2.24 AU

Year: 1822 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,833,252 km

• M1: 170,392 km (0.063 R)
• M2: 619,485 km (0.081 R)
• M3: 1,479,673 km (0.088 R)
• M4: 2,920,898 km (0.03 R)
• M5: 3,631,339 km (0.041 R)
• M6: 5,494,431 km (0.088 R)
• M7: 7,256,694 km (0.118 R)
• M8: 8,254,811 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802

Radius: 11.3

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.64 AU - 3.12 AU

Year: 3374 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,833,252 km

• M1: 141,968 km (0.043 R)
• M2: 525,388 km (0.036 R)
• M3: 886,966 km (0.071 R)
• M4: 1,529,638 km (0.049 R)
• M5: 1,944,024 km (0.04 R)
• M6: 2,433,509 km (0.075 R)
• M7: 2,849,391 km (0.114 R)
• M8: 3,312,845 km (0.11 R)
• M9: 3,910,040 km (0.098 R)
• M10: 4,554,358 km (0.079 R)
• M11: 5,242,358 km (0.112 R)
• M12: 6,227,311 km (0.093 R)
• M13: 6,672,514 km (0.097 R)
• M14: 7,930,333 km (0.098 R)
• M15: 8,525,732 km (0.11 R)
• M16: 9,226,299 km (0.114 R)
• M17: 10,205,866 km (0.11 R)
• M18: 11,559,427 km (0.103 R)
• M19: 13,660,530 km (0.104 R)
• M20: 14,516,828 km (0.041 R)
• M21: 14,984,471 km (0.038 R)
• M22: 15,355,174 km (0.093 R)
• M23: 16,447,987 km (0.06 R)
• M24: 17,070,763 km (0.055 R)
• M25: 17,709,246 km (0.115 R)
• M26: 18,484,163 km (0.113 R)
• M27: 19,406,285 km (0.057 R)
• M28: 22,357,103 km (0.086 R)
• M29: 23,545,807 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.1

Radius: 14

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.83 AU - 3.09 AU

Year: 3515 Days

Day: 11.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,833,252 km

• M1: 174,132 km (0.11 R)
• M2: 651,200 km (0.113 R)
• M3: 1,183,469 km (0.066 R)
• M4: 1,702,274 km (0.067 R)
• M5: 2,644,890 km (0.045 R)
• M6: 3,252,108 km (0.1 R)
• M7: 3,796,196 km (0.081 R)
• M8: 5,163,819 km (0.111 R)
• M9: 6,119,002 km (0.105 R)
• M10: 6,867,141 km (0.12 R)
• M11: 7,399,111 km (0.074 R)
• M12: 8,022,485 km (0.032 R)
• M13: 9,127,864 km (0.111 R)
• M14: 9,845,784 km (0.107 R)
• M15: 10,874,419 km (0.118 R)
• M16: 12,227,532 km (0.101 R)
• M17: 14,631,719 km (0.036 R)
• M18: 15,118,361 km (0.104 R)
• M19: 15,868,893 km (0.119 R)
• M20: 16,486,882 km (0.041 R)
• M21: 18,325,889 km (0.107 R)
• M22: 19,469,564 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.8

Radius: 13.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.98 AU - 3.06 AU

Year: 3623 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,833,252 km

• M1: 169,195 km (0.036 R)
• M2: 887,265 km (0.077 R)
• M3: 1,318,256 km (0.102 R)
• M4: 1,906,326 km (0.084 R)
• M5: 3,263,328 km (0.115 R)
• M6: 4,704,554 km (0.057 R)
• M7: 6,507,507 km (0.057 R)
• M8: 7,411,677 km (0.098 R)
• M9: 10,171,159 km (0.101 R)
• M10: 12,527,026 km (0.106 R)
• M11: 14,302,903 km (0.112 R)
• M12: 14,881,697 km (0.112 R)
• M13: 18,803,256 km (0.11 R)
• M14: 19,264,765 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.7

Radius: 7.1

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.13 AU - 8.17 AU

Year: 13197 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,833,252 km

• M1: 88,562 km (0.052 R)
• M2: 310,715 km (0.095 R)
• M3: 825,930 km (0.113 R)
• M4: 1,383,182 km (0.062 R)
• M5: 1,836,613 km (0.09 R)
• M6: 3,430,429 km (0.089 R)
• M7: 4,372,895 km (0.077 R)
• M8: 5,090,516 km (0.064 R)
• M9: 5,411,853 km (0.063 R)
• M10: 6,202,178 km (0.114 R)
• M11: 7,067,303 km (0.079 R)
• M12: 7,305,612 km (0.119 R)
• M13: 7,967,583 km (0.119 R)
• M14: 8,225,938 km (0.119 R)
• M15: 8,988,289 km (0.101 R)
• M16: 9,554,218 km (0.075 R)
• M17: 9,846,083 km (0.073 R)
• M18: 10,396,304 km (0.074 R)
• M19: 12,113,987 km (0.079 R)
• M20: 12,513,563 km (0.083 R)
• M21: 13,520,656 km (0.052 R)
• M22: 14,012,683 km (0.097 R)
• M23: 16,033,152 km (0.051 R)
• M24: 17,652,250 km (0.116 R)
• M25: 20,722,746 km (0.08 R)
• M26: 20,966,441 km (0.068 R)
• M27: 23,422,090 km (0.033 R)
• M28: 27,211,553 km (0.05 R)
• M29: 28,896,026 km (0.112 R)
• M30: 30,438,978 km (0.102 R)
• M31: 36,095,423 km (0.074 R)
• M32: 36,330,591 km (0.114 R)
• M33: 37,281,136 km (0.114 R)
• M34: 41,764,584 km (0.05 R)
• M35: 44,945,334 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.1

Radius: 3.3

Gravity: 34.17 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.68 AU - 8.68 AU

Year: 16149 Days

Day: 19 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,833,252 km

• M1: 40,990 km (0.086 R)
• M2: 1,111,662 km (0.113 R)
• M3: 1,722,320 km (0.078 R)
• M4: 2,635,316 km (0.102 R)
• M5: 4,654,588 km (0.085 R)
• M6: 7,517,742 km (0.081 R)
• M7: 11,088,793 km (0.115 R)
• M8: 11,660,107 km (0.045 R)
• M9: 15,931,724 km (0.119 R)
• M10: 18,177,338 km (0.055 R)
• M11: 20,710,180 km (0.11 R)
• M12: 24,408,089 km (0.084 R)
• M13: 25,372,397 km (0.115 R)
• M14: 25,568,221 km (0.107 R)
• M15: 25,963,010 km (0.096 R)
• M16: 27,686,078 km (0.088 R)
• M17: 28,311,995 km (0.033 R)
• M18: 44,152,016 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 13,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit