🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 12.4

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.7 AU - 0.82 AU

Year: 466 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,401,345 km

• M1: 154,235 km (0.075 R)
• M2: 571,165 km (0.053 R)
• M3: 1,005,896 km (0.086 R)
• M4: 1,787,246 km (0.113 R)
• M5: 2,419,147 km (0.11 R)
• M6: 2,974,006 km (0.056 R)
• M7: 3,563,122 km (0.083 R)
• M8: 3,958,659 km (0.115 R)
• M9: 4,556,153 km (0.113 R)
• M10: 4,946,005 km (0.118 R)
• M11: 5,810,980 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.2

Radius: 9.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.92 AU - 1.18 AU

Year: 756 Days

Day: 12.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,401,345 km

• M1: 119,379 km (0.046 R)
• M2: 491,579 km (0.102 R)
• M3: 799,301 km (0.086 R)
• M4: 1,316,162 km (0.053 R)
• M5: 2,279,572 km (0.103 R)
• M6: 2,816,479 km (0.109 R)
• M7: 3,799,786 km (0.065 R)
• M8: 4,394,288 km (0.092 R)
• M9: 5,032,024 km (0.108 R)
• M10: 5,885,180 km (0.097 R)
• M11: 6,367,035 km (0.12 R)
• M12: 6,702,733 km (0.055 R)
• M13: 7,116,820 km (0.11 R)
• M14: 8,141,565 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 10.3

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.26 AU - 1.28 AU

Year: 1006 Days

Day: 6.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,401,345 km

• M1: 128,205 km (0.103 R)
• M2: 521,498 km (0.108 R)
• M3: 881,131 km (0.098 R)
• M4: 1,372,560 km (0.096 R)
• M5: 1,803,402 km (0.079 R)
• M6: 2,312,334 km (0.062 R)
• M7: 2,745,719 km (0.058 R)
• M8: 3,204,237 km (0.098 R)
• M9: 3,558,335 km (0.051 R)
• M10: 4,054,401 km (0.112 R)
• M11: 4,523,690 km (0.089 R)
• M12: 5,245,500 km (0.057 R)
• M13: 6,287,449 km (0.105 R)
• M14: 7,186,233 km (0.111 R)
• M15: 8,441,509 km (0.039 R)
• M16: 8,862,178 km (0.1 R)
• M17: 9,415,241 km (0.099 R)
• M18: 10,084,093 km (0.096 R)
• M19: 11,013,994 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.5

Radius: 10.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.26 AU - 1.66 AU

Year: 1240 Days

Day: 15 Hours

Environment

Temp: -193 °C

Axial Tilt: 165.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,401,345 km

• M1: 125,662 km (0.096 R)
• M2: 493,823 km (0.083 R)
• M3: 933,192 km (0.119 R)
• M4: 2,110,976 km (0.12 R)
• M5: 2,641,599 km (0.118 R)
• M6: 3,220,992 km (0.049 R)
• M7: 3,713,169 km (0.063 R)
• M8: 4,029,119 km (0.035 R)
• M9: 4,617,637 km (0.071 R)
• M10: 5,551,427 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 8.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.57 AU - 5.65 AU

Year: 6958 Days

Day: 7.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,401,345 km

• M1: 109,954 km (0.068 R)
• M2: 396,285 km (0.116 R)
• M3: 1,909,916 km (0.04 R)
• M4: 2,213,899 km (0.055 R)
• M5: 4,429,892 km (0.069 R)
• M6: 5,141,679 km (0.116 R)
• M7: 5,502,060 km (0.073 R)
• M8: 7,592,391 km (0.069 R)
• M9: 8,767,183 km (0.104 R)
• M10: 10,732,151 km (0.046 R)
• M11: 12,090,051 km (0.082 R)
• M12: 14,557,369 km (0.1 R)
• M13: 15,051,790 km (0.07 R)
• M14: 15,650,780 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.1

Radius: 3

Gravity: 90.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.98 AU - 6.28 AU

Year: 10668 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,401,345 km

• M1: 37,250 km (0.05 R)
• M2: 250,128 km (0.07 R)
• M3: 473,776 km (0.086 R)
• M4: 624,571 km (0.092 R)
• M5: 1,150,557 km (0.118 R)
• M6: 1,525,001 km (0.111 R)
• M7: 1,905,877 km (0.056 R)
• M8: 3,400,808 km (0.086 R)
• M9: 3,686,840 km (0.119 R)
• M10: 6,190,958 km (0.071 R)
• M11: 6,382,144 km (0.099 R)
• M12: 6,735,943 km (0.057 R)
• M13: 7,312,194 km (0.036 R)
• M14: 7,439,801 km (0.068 R)
• M15: 9,486,749 km (0.108 R)
• M16: 11,079,218 km (0.12 R)
• M17: 12,294,252 km (0.067 R)
• M18: 14,114,410 km (0.064 R)
• M19: 17,508,037 km (0.109 R)
• M20: 19,473,753 km (0.073 R)
• M21: 22,109,219 km (0.092 R)
• M22: 23,743,576 km (0.094 R)
• M23: 24,117,271 km (0.092 R)
• M24: 25,651,846 km (0.066 R)
• M25: 28,596,830 km (0.052 R)
• M26: 31,309,937 km (0.05 R)
• M27: 32,213,059 km (0.117 R)
• M28: 32,441,495 km (0.091 R)
• M29: 36,492,605 km (0.104 R)
• M30: 37,115,381 km (0.034 R)
• M31: 37,240,744 km (0.076 R)
• M32: 42,082,031 km (0.072 R)
• M33: 43,181,126 km (0.098 R)
• M34: 49,267,067 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.7

Radius: 3.4

Gravity: 65.46 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.93 AU - 7.91 AU

Year: 12796 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 58,401,345 km

• M1: 42,336 km (0.063 R)
• M2: 182,659 km (0.105 R)
• M3: 394,041 km (0.103 R)
• M4: 544,985 km (0.11 R)
• M5: 848,968 km (0.115 R)
• M6: 1,681,779 km (0.064 R)
• M7: 3,721,546 km (0.065 R)
• M8: 4,243,643 km (0.045 R)
• M9: 4,585,773 km (0.058 R)
• M10: 5,115,948 km (0.117 R)
• M11: 5,685,766 km (0.118 R)
• M12: 6,376,011 km (0.093 R)
• M13: 6,536,679 km (0.091 R)
• M14: 7,424,991 km (0.07 R)
• M15: 7,647,892 km (0.06 R)
• M16: 7,967,283 km (0.102 R)
• M17: 9,541,502 km (0.088 R)
• M18: 9,698,879 km (0.081 R)
• M19: 9,804,794 km (0.108 R)
• M20: 10,073,023 km (0.074 R)
• M21: 10,401,241 km (0.035 R)
• M22: 10,568,042 km (0.116 R)
• M23: 11,311,394 km (0.103 R)
• M24: 12,459,707 km (0.098 R)
• M25: 13,094,152 km (0.103 R)
• M26: 15,995,304 km (0.115 R)
• M27: 16,592,498 km (0.101 R)
• M28: 17,990,490 km (0.106 R)
• M29: 20,059,429 km (0.071 R)
• M30: 22,466,159 km (0.108 R)
• M31: 25,559,544 km (0.11 R)
• M32: 34,508,489 km (0.114 R)
• M33: 35,378,400 km (0.064 R)
• M34: 39,272,433 km (0.068 R)
• M35: 39,812,332 km (0.092 R)
• M36: 40,494,049 km (0.051 R)
• M37: 41,322,373 km (0.108 R)
• M38: 43,586,536 km (0.038 R)
• M39: 44,895,667 km (0.111 R)
• M40: 50,553,459 km (0.114 R)
• M41: 53,305,012 km (0.08 R)
• M42: 53,800,780 km (0.099 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: 225 - 12,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit