🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 12.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.43 AU - 1.87 AU

Year: 1348 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,807,332 km

• M1: 155,432 km (0.086 R)
• M2: 601,982 km (0.083 R)
• M3: 1,644,829 km (0.1 R)
• M4: 2,893,971 km (0.072 R)
• M5: 3,373,582 km (0.114 R)
• M6: 3,857,231 km (0.091 R)
• M7: 4,849,065 km (0.07 R)
• M8: 6,205,768 km (0.085 R)
• M9: 7,133,275 km (0.114 R)
• M10: 7,934,671 km (0.083 R)
• M11: 8,426,998 km (0.096 R)
• M12: 9,933,747 km (0.049 R)
• M13: 11,406,389 km (0.043 R)
• M14: 11,857,726 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176

Radius: 9.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.5 AU - 2.6 AU

Year: 2589 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,807,332 km

• M1: 115,639 km (0.11 R)
• M2: 424,110 km (0.116 R)
• M3: 1,549,535 km (0.116 R)
• M4: 1,993,541 km (0.026 R)
• M5: 2,292,438 km (0.074 R)
• M6: 3,467,828 km (0.067 R)
• M7: 4,268,027 km (0.045 R)
• M8: 5,044,739 km (0.099 R)
• M9: 5,735,882 km (0.088 R)
• M10: 6,681,041 km (0.04 R)
• M11: 8,558,195 km (0.068 R)
• M12: 8,966,148 km (0.118 R)
• M13: 9,448,302 km (0.118 R)
• M14: 9,789,685 km (0.041 R)
• M15: 11,942,398 km (0.09 R)
• M16: 12,378,625 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.5

Radius: 11.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.13 AU - 3.15 AU

Year: 2727 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 123.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,807,332 km

• M1: 146,905 km (0.101 R)
• M2: 815,308 km (0.093 R)
• M3: 1,395,449 km (0.117 R)
• M4: 2,118,755 km (0.085 R)
• M5: 3,265,273 km (0.116 R)
• M6: 4,003,089 km (0.107 R)
• M7: 5,281,254 km (0.04 R)
• M8: 6,026,550 km (0.042 R)
• M9: 6,947,475 km (0.077 R)
• M10: 7,470,020 km (0.055 R)
• M11: 7,901,012 km (0.048 R)
• M12: 9,067,725 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528

Radius: 12.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.45 AU - 3.91 AU

Year: 4489 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,807,332 km

• M1: 154,684 km (0.038 R)
• M2: 583,880 km (0.107 R)
• M3: 1,290,282 km (0.058 R)
• M4: 1,893,610 km (0.108 R)
• M5: 2,365,591 km (0.071 R)
• M6: 3,355,480 km (0.056 R)
• M7: 4,142,215 km (0.077 R)
• M8: 4,651,746 km (0.107 R)
• M9: 5,176,984 km (0.054 R)
• M10: 6,317,069 km (0.063 R)
• M11: 6,899,304 km (0.111 R)
• M12: 7,651,632 km (0.101 R)
• M13: 10,199,134 km (0.068 R)
• M14: 10,616,362 km (0.111 R)
• M15: 11,263,822 km (0.119 R)
• M16: 13,365,223 km (0.08 R)
• M17: 14,120,393 km (0.108 R)
• M18: 15,606,050 km (0.102 R)
• M19: 16,105,108 km (0.116 R)
• M20: 19,199,840 km (0.093 R)
• M21: 20,753,862 km (0.108 R)
• M22: 21,222,552 km (0.031 R)
• M23: 24,554,546 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 13.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.32 AU - 5.7 AU

Year: 7130 Days

Day: 6.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,807,332 km

• M1: 217,067 km (0.075 R)
• M2: 745,895 km (0.07 R)
• M3: 1,206,507 km (0.103 R)
• M4: 1,728,454 km (0.115 R)
• M5: 2,538,227 km (0.109 R)
• M6: 4,103,170 km (0.109 R)
• M7: 6,174,503 km (0.106 R)
• M8: 8,500,301 km (0.1 R)
• M9: 8,994,123 km (0.098 R)
• M10: 11,213,557 km (0.046 R)
• M11: 13,833,016 km (0.09 R)
• M12: 19,535,088 km (0.1 R)
• M13: 20,107,300 km (0.071 R)
• M14: 20,986,786 km (0.052 R)
• M15: 22,822,502 km (0.054 R)
• M16: 24,432,324 km (0.116 R)
• M17: 25,518,554 km (0.066 R)
• M18: 29,434,578 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.6

Radius: 7.1

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.1 AU - 6.82 AU

Year: 10440 Days

Day: 18.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,807,332 km

• M1: 105,915 km (0.043 R)
• M2: 362,625 km (0.103 R)
• M3: 1,045,540 km (0.032 R)
• M4: 1,503,459 km (0.11 R)
• M5: 2,338,514 km (0.061 R)
• M6: 3,674,273 km (0.11 R)
• M7: 4,461,607 km (0.099 R)
• M8: 5,657,043 km (0.059 R)
• M9: 5,933,650 km (0.052 R)
• M10: 8,218,159 km (0.097 R)
• M11: 9,458,625 km (0.103 R)
• M12: 9,799,558 km (0.058 R)
• M13: 10,661,990 km (0.09 R)
• M14: 11,629,140 km (0.067 R)
• M15: 17,068,967 km (0.1 R)
• M16: 25,649,602 km (0.114 R)
• M17: 28,979,800 km (0.106 R)
• M18: 31,496,934 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.9

Radius: 5.6

Gravity: 20.5 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.17 AU - 12.11 AU

Year: 20530 Days

Day: 17.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,807,332 km

• M1: 70,012 km (0.103 R)
• M2: 409,898 km (0.054 R)
• M3: 832,961 km (0.119 R)
• M4: 1,156,392 km (0.092 R)
• M5: 2,218,536 km (0.084 R)
• M6: 2,766,813 km (0.056 R)
• M7: 4,562,286 km (0.094 R)
• M8: 4,808,674 km (0.089 R)
• M9: 5,601,094 km (0.117 R)
• M10: 6,007,701 km (0.083 R)
• M11: 9,367,519 km (0.088 R)
• M12: 11,863,560 km (0.104 R)
• M13: 12,670,491 km (0.061 R)
• M14: 14,618,854 km (0.049 R)
• M15: 15,703,737 km (0.041 R)
• M16: 16,103,912 km (0.113 R)
• M17: 21,352,852 km (0.066 R)
• M18: 25,604,872 km (0.084 R)
• M19: 26,383,080 km (0.05 R)
• M20: 28,931,630 km (0.034 R)
• M21: 31,260,719 km (0.083 R)
• M22: 31,766,509 km (0.052 R)
• M23: 41,524,180 km (0.069 R)
• M24: 42,752,379 km (0.065 R)
• M25: 43,375,454 km (0.084 R)
• M26: 48,579,964 km (0.093 R)
• M27: 50,287,923 km (0.063 R)
• M28: 51,682,773 km (0.095 R)
• M29: 53,282,573 km (0.036 R)
• M30: 55,466,702 km (0.118 R)
• M31: 60,402,085 km (0.077 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 13,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit