🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.6

Radius: 8.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.96 AU - 1.36 AU

Year: 807 Days

Day: 6.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,839,122 km

• M1: 103,372 km (0.12 R)
• M2: 376,388 km (0.039 R)
• M3: 681,568 km (0.037 R)
• M4: 1,076,805 km (0.117 R)
• M5: 1,455,438 km (0.086 R)
• M6: 1,766,452 km (0.115 R)
• M7: 2,050,538 km (0.089 R)
• M8: 3,139,910 km (0.068 R)
• M9: 4,045,725 km (0.036 R)
• M10: 5,401,830 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.7

Radius: 12.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.24 AU - 2.02 AU

Year: 1344 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,839,122 km

• M1: 155,582 km (0.119 R)
• M2: 881,131 km (0.031 R)
• M3: 1,351,318 km (0.072 R)
• M4: 1,962,574 km (0.094 R)
• M5: 2,472,105 km (0.103 R)
• M6: 3,158,310 km (0.101 R)
• M7: 5,000,159 km (0.059 R)
• M8: 6,580,362 km (0.1 R)
• M9: 7,780,735 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 11.8

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.52 AU - 1.92 AU

Year: 1456 Days

Day: 13 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,839,122 km

• M1: 146,756 km (0.096 R)
• M2: 534,812 km (0.082 R)
• M3: 1,288,187 km (0.115 R)
• M4: 1,840,203 km (0.091 R)
• M5: 2,442,634 km (0.099 R)
• M6: 3,425,791 km (0.106 R)
• M7: 4,247,981 km (0.076 R)
• M8: 4,838,594 km (0.074 R)
• M9: 5,394,200 km (0.045 R)
• M10: 7,239,041 km (0.046 R)
• M11: 7,625,303 km (0.09 R)
• M12: 8,836,597 km (0.104 R)
• M13: 9,701,871 km (0.069 R)
• M14: 10,622,646 km (0.041 R)
• M15: 12,131,041 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 8.4

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.05 AU - 3.31 AU

Year: 2833 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,839,122 km

• M1: 105,915 km (0.08 R)
• M2: 420,520 km (0.106 R)
• M3: 962,662 km (0.107 R)
• M4: 1,628,522 km (0.118 R)
• M5: 2,160,792 km (0.066 R)
• M6: 2,663,291 km (0.096 R)
• M7: 3,068,402 km (0.103 R)
• M8: 3,782,133 km (0.064 R)
• M9: 4,084,471 km (0.08 R)
• M10: 4,830,366 km (0.093 R)
• M11: 5,211,391 km (0.077 R)
• M12: 6,881,053 km (0.057 R)
• M13: 7,364,254 km (0.111 R)
• M14: 7,837,582 km (0.079 R)
• M15: 8,297,446 km (0.071 R)
• M16: 10,752,048 km (0.059 R)
• M17: 11,950,925 km (0.071 R)
• M18: 12,783,288 km (0.03 R)
• M19: 14,957,842 km (0.098 R)
• M20: 15,665,739 km (0.071 R)
• M21: 16,343,119 km (0.065 R)
• M22: 17,422,916 km (0.115 R)
• M23: 17,867,820 km (0.058 R)
• M24: 20,329,603 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.1

Radius: 12.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.43 AU - 5.49 AU

Year: 7132 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,839,122 km

• M1: 150,645 km (0.119 R)
• M2: 540,198 km (0.117 R)
• M3: 1,040,453 km (0.066 R)
• M4: 1,712,596 km (0.077 R)
• M5: 2,576,375 km (0.086 R)
• M6: 3,925,747 km (0.118 R)
• M7: 7,270,756 km (0.116 R)
• M8: 9,789,984 km (0.067 R)
• M9: 10,373,116 km (0.055 R)
• M10: 10,760,276 km (0.059 R)
• M11: 11,381,556 km (0.115 R)
• M12: 16,830,957 km (0.095 R)
• M13: 17,608,118 km (0.102 R)
• M14: 23,511,699 km (0.064 R)
• M15: 25,170,739 km (0.026 R)
• M16: 26,745,556 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.8

Radius: 3.2

Gravity: 55.16 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.18 AU - 8.68 AU

Year: 15804 Days

Day: 22.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 54,839,122 km

• M1: 42,935 km (0.115 R)
• M2: 173,683 km (0.063 R)
• M3: 355,295 km (0.109 R)
• M4: 771,626 km (0.089 R)
• M5: 1,161,179 km (0.111 R)
• M6: 1,685,220 km (0.111 R)
• M7: 1,999,525 km (0.117 R)
• M8: 2,269,998 km (0.093 R)
• M9: 2,393,117 km (0.102 R)
• M10: 3,052,245 km (0.071 R)
• M11: 4,332,953 km (0.118 R)
• M12: 6,246,609 km (0.056 R)
• M13: 7,165,888 km (0.066 R)
• M14: 7,935,120 km (0.081 R)
• M15: 8,267,377 km (0.117 R)
• M16: 9,636,048 km (0.084 R)
• M17: 12,619,927 km (0.108 R)
• M18: 13,203,508 km (0.098 R)
• M19: 14,284,801 km (0.117 R)
• M20: 14,493,939 km (0.108 R)
• M21: 15,497,143 km (0.106 R)
• M22: 17,881,134 km (0.03 R)
• M23: 18,124,081 km (0.119 R)
• M24: 18,865,937 km (0.1 R)
• M25: 22,036,814 km (0.071 R)
• M26: 23,360,007 km (0.103 R)
• M27: 26,372,010 km (0.081 R)
• M28: 27,110,276 km (0.108 R)
• M29: 27,645,986 km (0.045 R)
• M30: 36,549,303 km (0.07 R)
• M31: 37,731,126 km (0.057 R)
• M32: 43,002,506 km (0.096 R)
• M33: 44,912,871 km (0.118 R)
• M34: 45,964,544 km (0.078 R)
• M35: 48,586,696 km (0.093 R)
• M36: 56,351,573 km (0.109 R)
• M37: 56,873,520 km (0.119 R)
• M38: 57,398,609 km (0.102 R)
• M39: 58,636,531 km (0.117 R)
• M40: 60,982,525 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.4

Radius: 7.7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 9.15 AU - 13.03 AU

Year: 23846 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,839,122 km

• M1: 97,538 km (0.07 R)
• M2: 779,405 km (0.097 R)
• M3: 1,057,956 km (0.112 R)
• M4: 1,664,276 km (0.111 R)
• M5: 2,324,302 km (0.033 R)
• M6: 4,268,626 km (0.091 R)
• M7: 5,529,137 km (0.111 R)
• M8: 5,852,269 km (0.09 R)
• M9: 8,478,609 km (0.083 R)
• M10: 13,016,810 km (0.12 R)
• M11: 18,393,956 km (0.097 R)
• M12: 18,953,302 km (0.117 R)
• M13: 26,881,840 km (0.054 R)
• M14: 28,440,799 km (0.119 R)
• M15: 30,169,253 km (0.053 R)
• M16: 36,268,807 km (0.099 R)
• M17: 48,984,626 km (0.108 R)
• M18: 50,368,257 km (0.076 R)
• M19: 52,891,973 km (0.108 R)
• M20: 54,184,798 km (0.078 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 12,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit