🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.2

Radius: 13.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.99 AU - 1.03 AU

Year: 655 Days

Day: 14.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,705,809 km

• M1: 164,258 km (0.03 R)
• M2: 576,999 km (0.108 R)
• M3: 1,328,728 km (0.12 R)
• M4: 3,321,222 km (0.118 R)
• M5: 3,930,834 km (0.094 R)
• M6: 4,953,036 km (0.079 R)
• M7: 5,595,559 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.2

Radius: 14.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.91 AU - 1.31 AU

Year: 755 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,705,809 km

• M1: 181,612 km (0.108 R)
• M2: 814,710 km (0.054 R)
• M3: 1,408,614 km (0.116 R)
• M4: 2,346,143 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 12.5

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.05 AU - 1.55 AU

Year: 957 Days

Day: 13.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,705,809 km

• M1: 159,771 km (0.07 R)
• M2: 767,587 km (0.108 R)
• M3: 1,182,122 km (0.074 R)
• M4: 1,646,025 km (0.117 R)
• M5: 2,106,338 km (0.064 R)
• M6: 2,915,513 km (0.112 R)
• M7: 3,321,372 km (0.073 R)
• M8: 3,969,879 km (0.081 R)
• M9: 4,683,311 km (0.106 R)
• M10: 5,912,257 km (0.109 R)
• M11: 6,366,586 km (0.062 R)
• M12: 7,127,740 km (0.05 R)
• M13: 7,820,378 km (0.093 R)
• M14: 8,289,068 km (0.056 R)
• M15: 8,887,161 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.4

Radius: 13.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.1 AU - 2.2 AU

Year: 2036 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,705,809 km

• M1: 182,210 km (0.119 R)
• M2: 651,349 km (0.116 R)
• M3: 1,132,605 km (0.043 R)
• M4: 1,563,597 km (0.106 R)
• M5: 2,064,301 km (0.099 R)
• M6: 2,659,551 km (0.083 R)
• M7: 3,323,018 km (0.106 R)
• M8: 3,759,694 km (0.075 R)
• M9: 4,432,286 km (0.105 R)
• M10: 5,307,134 km (0.065 R)
• M11: 6,649,326 km (0.096 R)
• M12: 7,931,679 km (0.082 R)
• M13: 9,071,465 km (0.052 R)
• M14: 10,123,886 km (0.12 R)
• M15: 12,214,068 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 9.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.2 AU - 3.02 AU

Year: 2723 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,705,809 km

• M1: 119,678 km (0.119 R)
• M2: 476,619 km (0.119 R)
• M3: 884,871 km (0.1 R)
• M4: 1,312,572 km (0.062 R)
• M5: 1,780,364 km (0.093 R)
• M6: 2,318,917 km (0.116 R)
• M7: 3,129,587 km (0.118 R)
• M8: 4,563,932 km (0.095 R)
• M9: 5,415,144 km (0.104 R)
• M10: 6,343,548 km (0.08 R)
• M11: 7,046,060 km (0.1 R)
• M12: 8,667,701 km (0.093 R)
• M13: 9,077,150 km (0.115 R)
• M14: 11,358,817 km (0.063 R)
• M15: 12,473,022 km (0.105 R)
• M16: 12,792,862 km (0.113 R)
• M17: 13,365,672 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 13.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.05 AU - 3.51 AU

Year: 3836 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,705,809 km

• M1: 169,195 km (0.072 R)
• M2: 679,474 km (0.116 R)
• M3: 1,449,304 km (0.055 R)
• M4: 1,942,080 km (0.099 R)
• M5: 2,531,944 km (0.118 R)
• M6: 3,167,137 km (0.108 R)
• M7: 3,621,914 km (0.108 R)
• M8: 4,229,880 km (0.117 R)
• M9: 6,682,836 km (0.072 R)
• M10: 7,667,938 km (0.074 R)
• M11: 8,857,241 km (0.1 R)
• M12: 10,657,652 km (0.061 R)
• M13: 11,122,302 km (0.112 R)
• M14: 11,911,581 km (0.062 R)
• M15: 13,553,268 km (0.088 R)
• M16: 14,099,151 km (0.086 R)
• M17: 17,630,408 km (0.116 R)
• M18: 18,161,780 km (0.116 R)
• M19: 20,395,575 km (0.119 R)
• M20: 21,378,284 km (0.118 R)
• M21: 24,009,411 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.5

Radius: 6.2

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.78 AU - 9.48 AU

Year: 13608 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,705,809 km

• M1: 77,193 km (0.051 R)
• M2: 572,960 km (0.099 R)
• M3: 817,253 km (0.081 R)
• M4: 2,397,904 km (0.112 R)
• M5: 2,955,306 km (0.071 R)
• M6: 3,671,880 km (0.061 R)
• M7: 7,759,791 km (0.061 R)
• M8: 13,774,374 km (0.12 R)
• M9: 17,151,246 km (0.119 R)
• M10: 19,818,427 km (0.114 R)
• M11: 27,223,073 km (0.119 R)
• M12: 28,528,164 km (0.092 R)
• M13: 28,732,665 km (0.054 R)
• M14: 33,368,254 km (0.104 R)
• M15: 37,246,579 km (0.12 R)
• M16: 42,204,850 km (0.096 R)
• M17: 48,306,798 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.4

Radius: 3.2

Gravity: 83.83 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.29 AU - 8.51 AU

Year: 14337 Days

Day: 18.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,705,809 km

• M1: 40,391 km (0.047 R)
• M2: 167,998 km (0.092 R)
• M3: 787,782 km (0.104 R)
• M4: 981,960 km (0.099 R)
• M5: 1,332,319 km (0.037 R)
• M6: 2,015,083 km (0.106 R)
• M7: 2,131,620 km (0.092 R)
• M8: 3,232,960 km (0.058 R)
• M9: 3,905,103 km (0.067 R)
• M10: 5,116,397 km (0.116 R)
• M11: 5,260,759 km (0.075 R)
• M12: 7,301,872 km (0.101 R)
• M13: 8,297,446 km (0.095 R)
• M14: 8,446,595 km (0.097 R)
• M15: 11,024,615 km (0.086 R)
• M16: 11,571,844 km (0.076 R)
• M17: 13,321,541 km (0.088 R)
• M18: 13,457,824 km (0.099 R)
• M19: 15,091,882 km (0.106 R)
• M20: 16,071,598 km (0.04 R)
• M21: 17,173,237 km (0.119 R)
• M22: 18,408,317 km (0.03 R)
• M23: 24,549,459 km (0.098 R)
• M24: 28,412,824 km (0.102 R)
• M25: 31,562,608 km (0.03 R)
• M26: 35,456,939 km (0.061 R)
• M27: 41,661,511 km (0.089 R)
• M28: 46,176,375 km (0.039 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 19,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit