🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.8

Radius: 14.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.82 AU - 1.06 AU

Year: 579 Days

Day: 11.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,608,968 km

• M1: 178,470 km (0.08 R)
• M2: 630,106 km (0.035 R)
• M3: 1,190,949 km (0.12 R)
• M4: 1,676,843 km (0.071 R)
• M5: 2,154,359 km (0.049 R)
• M6: 2,870,035 km (0.061 R)
• M7: 3,341,867 km (0.098 R)
• M8: 3,894,332 km (0.089 R)
• M9: 4,929,549 km (0.116 R)
• M10: 5,449,402 km (0.109 R)
• M11: 6,417,749 km (0.117 R)
• M12: 6,932,814 km (0.078 R)
• M13: 7,860,770 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 11.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.22 AU - 1.56 AU

Year: 1042 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 130.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,608,968 km

• M1: 141,819 km (0.083 R)
• M2: 538,104 km (0.07 R)
• M3: 904,768 km (0.051 R)
• M4: 1,372,411 km (0.117 R)
• M5: 1,739,374 km (0.092 R)
• M6: 2,258,479 km (0.116 R)
• M7: 2,845,352 km (0.079 R)
• M8: 3,337,678 km (0.075 R)
• M9: 3,858,129 km (0.036 R)
• M10: 4,325,174 km (0.03 R)
• M11: 4,945,406 km (0.052 R)
• M12: 5,587,780 km (0.065 R)
• M13: 6,665,184 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 14.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.12 AU - 3.14 AU

Year: 3521 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,608,968 km

• M1: 180,565 km (0.076 R)
• M2: 1,121,685 km (0.105 R)
• M3: 1,639,593 km (0.091 R)
• M4: 2,465,822 km (0.115 R)
• M5: 3,199,300 km (0.101 R)
• M6: 3,772,709 km (0.12 R)
• M7: 4,601,780 km (0.101 R)
• M8: 5,219,919 km (0.118 R)
• M9: 5,993,938 km (0.107 R)
• M10: 7,863,313 km (0.116 R)
• M11: 9,738,073 km (0.112 R)
• M12: 10,204,520 km (0.099 R)
• M13: 10,837,019 km (0.039 R)
• M14: 16,073,543 km (0.045 R)
• M15: 17,502,053 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 9.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.63 AU - 4.07 AU

Year: 4803 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,608,968 km

• M1: 119,379 km (0.11 R)
• M2: 739,911 km (0.087 R)
• M3: 1,039,406 km (0.077 R)
• M4: 1,911,262 km (0.055 R)
• M5: 2,320,562 km (0.087 R)
• M6: 3,052,993 km (0.116 R)
• M7: 3,615,631 km (0.083 R)
• M8: 5,937,689 km (0.102 R)
• M9: 6,494,193 km (0.096 R)
• M10: 7,300,226 km (0.089 R)
• M11: 7,647,294 km (0.085 R)
• M12: 10,042,804 km (0.081 R)
• M13: 12,404,057 km (0.119 R)
• M14: 13,036,407 km (0.086 R)
• M15: 14,414,204 km (0.037 R)
• M16: 14,860,903 km (0.082 R)
• M17: 18,950,759 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.2

Radius: 9.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.84 AU - 4.48 AU

Year: 5395 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,608,968 km

• M1: 126,560 km (0.107 R)
• M2: 444,904 km (0.1 R)
• M3: 1,489,995 km (0.117 R)
• M4: 1,865,934 km (0.103 R)
• M5: 3,067,205 km (0.033 R)
• M6: 3,498,047 km (0.086 R)
• M7: 3,929,637 km (0.111 R)
• M8: 4,502,896 km (0.059 R)
• M9: 4,968,744 km (0.048 R)
• M10: 5,918,989 km (0.069 R)
• M11: 7,308,604 km (0.107 R)
• M12: 7,858,526 km (0.112 R)
• M13: 8,175,823 km (0.112 R)
• M14: 8,567,919 km (0.118 R)
• M15: 9,711,146 km (0.082 R)
• M16: 10,039,962 km (0.075 R)
• M17: 12,988,087 km (0.105 R)
• M18: 13,522,451 km (0.049 R)
• M19: 14,071,475 km (0.088 R)
• M20: 14,683,031 km (0.119 R)
• M21: 15,858,272 km (0.091 R)
• M22: 16,989,681 km (0.111 R)
• M23: 18,395,153 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.7

Radius: 10.8

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.87 AU - 5.23 AU

Year: 6171 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,608,968 km

• M1: 134,638 km (0.084 R)
• M2: 474,824 km (0.075 R)
• M3: 867,518 km (0.104 R)
• M4: 1,272,479 km (0.086 R)
• M5: 1,612,067 km (0.061 R)
• M6: 1,951,803 km (0.074 R)
• M7: 3,103,707 km (0.098 R)
• M8: 3,975,863 km (0.07 R)
• M9: 5,151,403 km (0.119 R)
• M10: 6,758,084 km (0.077 R)
• M11: 7,310,848 km (0.052 R)
• M12: 7,656,868 km (0.075 R)
• M13: 9,240,212 km (0.083 R)
• M14: 10,490,850 km (0.059 R)
• M15: 12,062,076 km (0.082 R)
• M16: 13,726,801 km (0.078 R)
• M17: 15,226,819 km (0.112 R)
• M18: 15,984,532 km (0.113 R)
• M19: 17,781,053 km (0.102 R)
• M20: 19,930,924 km (0.084 R)
• M21: 27,597,516 km (0.03 R)
• M22: 28,628,395 km (0.109 R)
• M23: 29,105,463 km (0.116 R)
• M24: 32,182,242 km (0.06 R)
• M25: 32,698,055 km (0.113 R)
• M26: 35,469,506 km (0.087 R)
• M27: 36,575,931 km (0.088 R)
• M28: 38,278,505 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127

Radius: 7.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.75 AU - 7.31 AU

Year: 11851 Days

Day: 17.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,608,968 km

• M1: 90,806 km (0.108 R)
• M2: 573,409 km (0.043 R)
• M3: 858,393 km (0.117 R)
• M4: 1,269,188 km (0.057 R)
• M5: 1,778,569 km (0.051 R)
• M6: 2,256,235 km (0.115 R)
• M7: 2,726,122 km (0.028 R)
• M8: 3,882,663 km (0.112 R)
• M9: 4,210,881 km (0.111 R)
• M10: 6,486,863 km (0.033 R)
• M11: 8,356,387 km (0.087 R)
• M12: 9,518,314 km (0.107 R)
• M13: 12,258,050 km (0.056 R)
• M14: 12,709,835 km (0.115 R)
• M15: 12,965,647 km (0.074 R)
• M16: 13,593,510 km (0.103 R)
• M17: 17,352,156 km (0.093 R)
• M18: 19,434,409 km (0.037 R)
• M19: 20,326,012 km (0.05 R)
• M20: 23,700,342 km (0.118 R)
• M21: 25,357,886 km (0.108 R)
• M22: 26,505,003 km (0.106 R)
• M23: 26,922,979 km (0.08 R)
• M24: 29,972,532 km (0.067 R)
• M25: 30,608,921 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 17,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit