🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 8.3

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.58 AU - 0.62 AU

Year: 327 Days

Day: 10.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,867,916 km

• M1: 103,223 km (0.103 R)
• M2: 415,134 km (0.062 R)
• M3: 692,189 km (0.082 R)
• M4: 1,139,786 km (0.116 R)
• M5: 1,421,180 km (0.091 R)
• M6: 1,763,759 km (0.113 R)
• M7: 2,030,193 km (0.111 R)
• M8: 2,368,134 km (0.072 R)
• M9: 2,955,904 km (0.067 R)
• M10: 3,414,721 km (0.099 R)
• M11: 4,530,272 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.6

Radius: 11.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.73 AU - 0.75 AU

Year: 447 Days

Day: 8 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,867,916 km

• M1: 139,276 km (0.106 R)
• M2: 621,280 km (0.07 R)
• M3: 1,640,490 km (0.099 R)
• M4: 2,167,972 km (0.096 R)
• M5: 2,645,638 km (0.059 R)
• M6: 3,038,632 km (0.101 R)
• M7: 3,542,478 km (0.054 R)
• M8: 4,236,612 km (0.098 R)
• M9: 5,332,715 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.3

Radius: 8.1

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.11 AU - 1.13 AU

Year: 833 Days

Day: 10.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,867,916 km

• M1: 100,679 km (0.109 R)
• M2: 442,959 km (0.11 R)
• M3: 896,390 km (0.038 R)
• M4: 1,265,598 km (0.095 R)
• M5: 1,914,853 km (0.089 R)
• M6: 2,304,406 km (0.116 R)
• M7: 2,981,336 km (0.115 R)
• M8: 3,770,315 km (0.115 R)
• M9: 4,544,484 km (0.096 R)
• M10: 5,850,773 km (0.112 R)
• M11: 6,143,536 km (0.051 R)
• M12: 7,710,125 km (0.072 R)
• M13: 7,991,069 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 10.5

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.49 AU - 2.09 AU

Year: 1683 Days

Day: 12.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,867,916 km

• M1: 130,749 km (0.109 R)
• M2: 519,254 km (0.09 R)
• M3: 850,464 km (0.116 R)
• M4: 1,306,289 km (0.094 R)
• M5: 2,148,076 km (0.104 R)
• M6: 2,613,924 km (0.113 R)
• M7: 3,040,427 km (0.107 R)
• M8: 3,414,721 km (0.1 R)
• M9: 4,294,955 km (0.117 R)
• M10: 5,364,131 km (0.098 R)
• M11: 5,726,457 km (0.085 R)
• M12: 6,576,622 km (0.072 R)
• M13: 7,045,611 km (0.101 R)
• M14: 7,592,690 km (0.033 R)
• M15: 7,934,521 km (0.11 R)
• M16: 8,772,120 km (0.084 R)
• M17: 9,308,728 km (0.108 R)
• M18: 10,658,100 km (0.109 R)
• M19: 11,232,855 km (0.103 R)
• M20: 12,056,691 km (0.094 R)
• M21: 13,824,788 km (0.113 R)
• M22: 14,206,861 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 9.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.95 AU - 2.03 AU

Year: 1973 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,867,916 km

• M1: 120,576 km (0.105 R)
• M2: 528,529 km (0.073 R)
• M3: 987,496 km (0.097 R)
• M4: 1,882,240 km (0.105 R)
• M5: 2,279,872 km (0.077 R)
• M6: 3,204,985 km (0.071 R)
• M7: 3,897,773 km (0.084 R)
• M8: 5,232,335 km (0.103 R)
• M9: 6,003,811 km (0.092 R)
• M10: 6,625,390 km (0.025 R)
• M11: 7,218,396 km (0.118 R)
• M12: 8,748,932 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.3

Radius: 6.8

Gravity: 20.79 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.29 AU - 7.61 AU

Year: 14294 Days

Day: 17.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,867,916 km

• M1: 86,617 km (0.097 R)
• M2: 328,218 km (0.112 R)
• M3: 581,188 km (0.099 R)
• M4: 808,726 km (0.097 R)
• M5: 1,238,970 km (0.11 R)
• M6: 3,642,409 km (0.1 R)
• M7: 3,875,632 km (0.095 R)
• M8: 5,342,439 km (0.1 R)
• M9: 5,799,311 km (0.064 R)
• M10: 7,795,695 km (0.067 R)
• M11: 10,095,612 km (0.049 R)
• M12: 13,770,334 km (0.113 R)
• M13: 14,123,685 km (0.1 R)
• M14: 14,483,019 km (0.042 R)
• M15: 20,539,788 km (0.069 R)
• M16: 21,848,919 km (0.104 R)
• M17: 32,733,061 km (0.048 R)
• M18: 51,674,246 km (0.054 R)
• M19: 54,789,622 km (0.11 R)
• M20: 61,011,547 km (0.109 R)
• M21: 66,075,435 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.7

Radius: 8

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.15 AU - 8.97 AU

Year: 17604 Days

Day: 16.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,867,916 km

• M1: 101,427 km (0.1 R)
• M2: 441,763 km (0.087 R)
• M3: 767,886 km (0.093 R)
• M4: 2,080,158 km (0.084 R)
• M5: 2,355,269 km (0.109 R)
• M6: 3,383,156 km (0.105 R)
• M7: 3,737,553 km (0.083 R)
• M8: 4,207,739 km (0.1 R)
• M9: 5,857,505 km (0.045 R)
• M10: 6,249,002 km (0.075 R)
• M11: 6,954,805 km (0.098 R)
• M12: 8,183,303 km (0.105 R)
• M13: 8,823,731 km (0.074 R)
• M14: 10,946,375 km (0.084 R)
• M15: 12,537,349 km (0.064 R)
• M16: 13,056,453 km (0.066 R)
• M17: 14,207,011 km (0.06 R)
• M18: 15,058,970 km (0.091 R)
• M19: 20,274,401 km (0.1 R)
• M20: 22,850,925 km (0.116 R)
• M21: 24,517,445 km (0.118 R)
• M22: 26,368,569 km (0.057 R)
• M23: 36,380,257 km (0.053 R)
• M24: 41,148,241 km (0.103 R)
• M25: 48,976,548 km (0.069 R)
• M26: 51,241,908 km (0.12 R)
• M27: 52,233,892 km (0.09 R)
• M28: 54,256,156 km (0.056 R)
• M29: 55,980,720 km (0.081 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: 156 - 12,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit