🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 14

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.55 AU - 0.67 AU

Year: 318 Days

Day: 8.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 56,075,082 km

• M1: 174,431 km (0.065 R)
• M2: 743,053 km (0.109 R)
• M3: 1,394,103 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 9.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.95 AU - 3.37 AU

Year: 3746 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,075,082 km

• M1: 120,576 km (0.06 R)
• M2: 651,349 km (0.087 R)
• M3: 1,935,946 km (0.074 R)
• M4: 3,135,571 km (0.043 R)
• M5: 3,871,593 km (0.117 R)
• M6: 5,461,369 km (0.111 R)
• M7: 7,299,479 km (0.116 R)
• M8: 9,961,573 km (0.082 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.5

Radius: 6.3

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.62 AU - 6.12 AU

Year: 9484 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,075,082 km

• M1: 78,988 km (0.092 R)
• M2: 498,610 km (0.034 R)
• M3: 726,746 km (0.119 R)
• M4: 1,231,490 km (0.114 R)
• M5: 1,619,846 km (0.058 R)
• M6: 1,977,534 km (0.112 R)
• M7: 2,511,150 km (0.034 R)
• M8: 2,851,036 km (0.048 R)
• M9: 3,933,227 km (0.064 R)
• M10: 4,158,522 km (0.112 R)
• M11: 4,418,822 km (0.092 R)
• M12: 4,886,465 km (0.074 R)
• M13: 6,488,359 km (0.094 R)
• M14: 7,239,639 km (0.079 R)
• M15: 7,617,075 km (0.105 R)
• M16: 12,678,868 km (0.047 R)
• M17: 14,430,809 km (0.101 R)
• M18: 15,089,339 km (0.038 R)
• M19: 15,705,383 km (0.105 R)
• M20: 17,185,504 km (0.119 R)
• M21: 17,452,088 km (0.084 R)
• M22: 19,039,022 km (0.065 R)
• M23: 25,564,930 km (0.119 R)
• M24: 28,995,059 km (0.115 R)
• M25: 31,312,480 km (0.079 R)
• M26: 36,751,410 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.8

Radius: 5.6

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.49 AU - 8.59 AU

Year: 13807 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,075,082 km

• M1: 70,161 km (0.06 R)
• M2: 572,810 km (0.085 R)
• M3: 1,436,888 km (0.099 R)
• M4: 2,424,533 km (0.09 R)
• M5: 2,601,657 km (0.088 R)
• M6: 6,713,803 km (0.089 R)
• M7: 7,718,951 km (0.06 R)
• M8: 12,398,821 km (0.099 R)
• M9: 15,391,078 km (0.109 R)
• M10: 16,839,484 km (0.112 R)
• M11: 22,753,387 km (0.118 R)
• M12: 30,546,539 km (0.105 R)
• M13: 37,347,108 km (0.041 R)
• M14: 42,929,951 km (0.113 R)
• M15: 45,641,862 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.1

Radius: 4.7

Gravity: 32.01 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.58 AU - 9.68 AU

Year: 15458 Days

Day: 20.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,075,082 km

• M1: 58,493 km (0.091 R)
• M2: 276,906 km (0.119 R)
• M3: 455,077 km (0.088 R)
• M4: 825,331 km (0.04 R)
• M5: 1,118,842 km (0.098 R)
• M6: 1,404,126 km (0.113 R)
• M7: 1,588,131 km (0.094 R)
• M8: 1,736,532 km (0.088 R)
• M9: 1,949,111 km (0.116 R)
• M10: 2,139,250 km (0.083 R)
• M11: 2,300,217 km (0.119 R)
• M12: 3,153,523 km (0.091 R)
• M13: 4,356,888 km (0.079 R)
• M14: 5,645,973 km (0.096 R)
• M15: 6,480,729 km (0.101 R)
• M16: 8,743,248 km (0.069 R)
• M17: 10,304,152 km (0.118 R)
• M18: 12,748,880 km (0.098 R)
• M19: 14,890,523 km (0.058 R)
• M20: 15,704,784 km (0.098 R)
• M21: 16,626,457 km (0.04 R)
• M22: 17,100,533 km (0.077 R)
• M23: 19,519,829 km (0.042 R)
• M24: 20,584,368 km (0.104 R)
• M25: 21,315,153 km (0.057 R)
• M26: 22,348,127 km (0.087 R)
• M27: 22,731,845 km (0.082 R)
• M28: 24,614,834 km (0.067 R)
• M29: 25,024,133 km (0.09 R)
• M30: 25,856,197 km (0.072 R)
• M31: 33,312,603 km (0.082 R)
• M32: 35,605,191 km (0.074 R)
• M33: 40,077,569 km (0.043 R)
• M34: 40,786,214 km (0.05 R)
• M35: 46,915,837 km (0.1 R)
• M36: 50,280,592 km (0.098 R)
• M37: 57,127,986 km (0.109 R)
• M38: 57,665,192 km (0.068 R)
• M39: 58,025,274 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.7

Radius: 4.5

Gravity: 39.74 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.51 AU - 8.85 AU

Year: 15601 Days

Day: 21.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,075,082 km

• M1: 56,099 km (0.034 R)
• M2: 212,279 km (0.054 R)
• M3: 452,384 km (0.079 R)
• M4: 984,055 km (0.096 R)
• M5: 1,156,840 km (0.102 R)
• M6: 1,873,115 km (0.096 R)
• M7: 2,180,688 km (0.08 R)
• M8: 3,071,543 km (0.084 R)
• M9: 3,388,691 km (0.077 R)
• M10: 5,311,173 km (0.08 R)
• M11: 7,341,216 km (0.111 R)
• M12: 9,669,408 km (0.109 R)
• M13: 11,242,729 km (0.078 R)
• M14: 15,409,777 km (0.104 R)
• M15: 16,972,626 km (0.097 R)
• M16: 17,959,524 km (0.113 R)
• M17: 19,777,287 km (0.087 R)
• M18: 20,869,352 km (0.12 R)
• M19: 23,372,124 km (0.111 R)
• M20: 27,602,004 km (0.079 R)
• M21: 31,820,963 km (0.089 R)
• M22: 32,067,201 km (0.107 R)
• M23: 33,444,250 km (0.104 R)
• M24: 36,719,695 km (0.1 R)
• M25: 38,226,295 km (0.071 R)
• M26: 42,543,540 km (0.102 R)
• M27: 43,899,495 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.1

Radius: 4.3

Gravity: 21.04 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.97 AU - 10.21 AU

Year: 16789 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,075,082 km

• M1: 53,406 km (0.1 R)
• M2: 309,668 km (0.07 R)
• M3: 572,361 km (0.085 R)
• M4: 1,107,922 km (0.101 R)
• M5: 1,611,917 km (0.083 R)
• M6: 1,872,068 km (0.073 R)
• M7: 2,373,969 km (0.118 R)
• M8: 2,800,023 km (0.118 R)
• M9: 3,007,815 km (0.085 R)
• M10: 3,532,305 km (0.095 R)
• M11: 3,830,453 km (0.07 R)
• M12: 4,633,046 km (0.057 R)
• M13: 5,365,328 km (0.085 R)
• M14: 6,405,182 km (0.077 R)
• M15: 6,725,322 km (0.104 R)
• M16: 8,536,204 km (0.064 R)
• M17: 10,815,178 km (0.031 R)
• M18: 11,040,622 km (0.119 R)
• M19: 13,469,643 km (0.096 R)
• M20: 14,262,511 km (0.1 R)
• M21: 14,533,583 km (0.047 R)
• M22: 15,724,232 km (0.076 R)
• M23: 16,752,269 km (0.107 R)
• M24: 17,436,380 km (0.106 R)
• M25: 19,268,954 km (0.098 R)
• M26: 20,189,130 km (0.112 R)
• M27: 28,202,041 km (0.11 R)
• M28: 28,629,143 km (0.07 R)
• M29: 31,624,990 km (0.045 R)
• M30: 32,903,154 km (0.115 R)
• M31: 36,563,515 km (0.112 R)
• M32: 37,198,857 km (0.073 R)
• M33: 38,885,124 km (0.118 R)
• M34: 39,281,259 km (0.041 R)
• M35: 45,552,402 km (0.102 R)
• M36: 47,480,868 km (0.091 R)
• M37: 48,694,257 km (0.119 R)
• M38: 50,239,902 km (0.075 R)
• M39: 52,619,256 km (0.103 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 19,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit