🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.2

Radius: 9

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.15 AU - 1.71 AU

Year: 1180 Days

Day: 8.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,137,700 km

• M1: 111,899 km (0.06 R)
• M2: 430,543 km (0.044 R)
• M3: 752,776 km (0.085 R)
• M4: 1,142,030 km (0.07 R)
• M5: 1,424,920 km (0.076 R)
• M6: 1,764,806 km (0.073 R)
• M7: 2,105,141 km (0.115 R)
• M8: 2,513,244 km (0.087 R)
• M9: 3,153,224 km (0.111 R)
• M10: 4,097,037 km (0.115 R)
• M11: 4,408,799 km (0.097 R)
• M12: 5,119,538 km (0.12 R)
• M13: 5,564,592 km (0.104 R)
• M14: 6,258,128 km (0.071 R)
• M15: 8,325,271 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.3

Radius: 10.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.59 AU - 2.47 AU

Year: 1996 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,137,700 km

• M1: 149,448 km (0.098 R)
• M2: 669,450 km (0.039 R)
• M3: 1,122,732 km (0.074 R)
• M4: 1,617,901 km (0.1 R)
• M5: 2,032,885 km (0.087 R)
• M6: 2,702,037 km (0.111 R)
• M7: 3,178,805 km (0.118 R)
• M8: 4,389,202 km (0.11 R)
• M9: 5,487,399 km (0.107 R)
• M10: 6,573,779 km (0.097 R)
• M11: 7,266,417 km (0.103 R)
• M12: 7,797,789 km (0.082 R)
• M13: 8,409,495 km (0.101 R)
• M14: 10,374,762 km (0.091 R)
• M15: 11,016,537 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 12.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.08 AU - 2.14 AU

Year: 2116 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,137,700 km

• M1: 153,338 km (0.1 R)
• M2: 666,907 km (0.112 R)
• M3: 1,067,381 km (0.073 R)
• M4: 1,510,639 km (0.105 R)
• M5: 2,698,297 km (0.104 R)
• M6: 3,146,642 km (0.062 R)
• M7: 4,292,561 km (0.119 R)
• M8: 4,696,326 km (0.118 R)
• M9: 5,327,031 km (0.065 R)
• M10: 6,063,052 km (0.097 R)
• M11: 6,785,161 km (0.105 R)
• M12: 7,335,382 km (0.042 R)
• M13: 8,247,031 km (0.109 R)
• M14: 10,295,325 km (0.1 R)
• M15: 11,437,804 km (0.098 R)
• M16: 12,581,331 km (0.064 R)
• M17: 13,159,975 km (0.081 R)
• M18: 14,017,320 km (0.093 R)
• M19: 15,187,325 km (0.104 R)
• M20: 15,938,905 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 12.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.56 AU - 3.78 AU

Year: 3896 Days

Day: 7.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,137,700 km

• M1: 155,283 km (0.116 R)
• M2: 833,859 km (0.047 R)
• M3: 1,324,390 km (0.091 R)
• M4: 5,338,849 km (0.117 R)
• M5: 7,815,142 km (0.07 R)
• M6: 8,851,407 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 12.4

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.42 AU - 4.28 AU

Year: 5214 Days

Day: 9 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,137,700 km

• M1: 154,385 km (0.081 R)
• M2: 715,377 km (0.088 R)
• M3: 1,273,377 km (0.112 R)
• M4: 1,997,580 km (0.088 R)
• M5: 2,598,964 km (0.075 R)
• M6: 4,289,569 km (0.059 R)
• M7: 4,881,977 km (0.058 R)
• M8: 5,499,068 km (0.092 R)
• M9: 6,327,092 km (0.103 R)
• M10: 6,822,112 km (0.072 R)
• M11: 9,025,090 km (0.105 R)
• M12: 9,739,420 km (0.076 R)
• M13: 11,281,175 km (0.118 R)
• M14: 13,190,643 km (0.087 R)
• M15: 13,945,663 km (0.118 R)
• M16: 14,615,562 km (0.092 R)
• M17: 20,485,633 km (0.102 R)
• M18: 21,278,502 km (0.041 R)
• M19: 22,317,310 km (0.106 R)
• M20: 30,001,255 km (0.032 R)
• M21: 31,782,217 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436

Radius: 5.1

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.06 AU - 9.6 AU

Year: 16595 Days

Day: 23 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,137,700 km

• M1: 63,729 km (0.116 R)
• M2: 243,097 km (0.077 R)
• M3: 504,743 km (0.112 R)
• M4: 756,666 km (0.054 R)
• M5: 1,113,607 km (0.047 R)
• M6: 1,399,787 km (0.081 R)
• M7: 1,850,675 km (0.035 R)
• M8: 3,594,388 km (0.091 R)
• M9: 3,758,198 km (0.07 R)
• M10: 4,981,160 km (0.113 R)
• M11: 6,690,466 km (0.119 R)
• M12: 7,903,106 km (0.076 R)
• M13: 8,465,145 km (0.098 R)
• M14: 15,055,829 km (0.1 R)
• M15: 15,699,249 km (0.092 R)
• M16: 18,215,785 km (0.079 R)
• M17: 18,619,250 km (0.118 R)
• M18: 21,077,143 km (0.049 R)
• M19: 22,154,547 km (0.075 R)
• M20: 22,614,112 km (0.092 R)
• M21: 23,838,720 km (0.079 R)
• M22: 24,516,099 km (0.086 R)
• M23: 32,954,017 km (0.099 R)
• M24: 38,738,518 km (0.096 R)
• M25: 39,674,253 km (0.045 R)
• M26: 40,215,648 km (0.106 R)
• M27: 42,571,515 km (0.096 R)
• M28: 43,855,214 km (0.072 R)
• M29: 46,200,610 km (0.09 R)
• M30: 46,950,394 km (0.06 R)
• M31: 51,781,059 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.3

Radius: 3.8

Gravity: 62.42 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.57 AU - 10.55 AU

Year: 17287 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,137,700 km

• M1: 50,265 km (0.12 R)
• M2: 233,223 km (0.117 R)
• M3: 616,493 km (0.091 R)
• M4: 757,564 km (0.111 R)
• M5: 908,508 km (0.112 R)
• M6: 1,535,473 km (0.102 R)
• M7: 2,433,060 km (0.104 R)
• M8: 2,940,945 km (0.1 R)
• M9: 3,125,100 km (0.063 R)
• M10: 4,601,631 km (0.105 R)
• M11: 6,058,714 km (0.044 R)
• M12: 6,709,913 km (0.116 R)
• M13: 7,075,830 km (0.065 R)
• M14: 7,649,238 km (0.093 R)
• M15: 10,017,821 km (0.097 R)
• M16: 10,987,964 km (0.102 R)
• M17: 12,219,453 km (0.109 R)
• M18: 13,829,426 km (0.063 R)
• M19: 14,496,183 km (0.111 R)
• M20: 17,979,719 km (0.117 R)
• M21: 18,773,336 km (0.045 R)
• M22: 19,867,495 km (0.105 R)
• M23: 23,611,780 km (0.115 R)
• M24: 26,092,262 km (0.116 R)
• M25: 27,916,608 km (0.115 R)
• M26: 31,563,356 km (0.087 R)
• M27: 32,328,848 km (0.105 R)
• M28: 39,342,295 km (0.09 R)
• M29: 40,826,904 km (0.102 R)
• M30: 43,123,082 km (0.116 R)
• M31: 43,592,371 km (0.114 R)
• M32: 45,342,516 km (0.038 R)
• M33: 46,644,317 km (0.04 R)
• M34: 50,698,868 km (0.049 R)
• M35: 51,924,374 km (0.11 R)
• M36: 54,799,046 km (0.028 R)
• M37: 61,059,717 km (0.115 R)
• M38: 66,731,870 km (0.108 R)
• M39: 67,359,583 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.1

Radius: 5.3

Gravity: 30.16 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.73 AU - 9.09 AU

Year: 18358 Days

Day: 17.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,137,700 km

• M1: 68,965 km (0.097 R)
• M2: 320,887 km (0.052 R)
• M3: 507,885 km (0.081 R)
• M4: 789,877 km (0.114 R)
• M5: 1,040,752 km (0.109 R)
• M6: 1,314,068 km (0.111 R)
• M7: 2,429,320 km (0.11 R)
• M8: 3,175,963 km (0.068 R)
• M9: 4,001,593 km (0.108 R)
• M10: 4,328,465 km (0.103 R)
• M11: 5,899,242 km (0.119 R)
• M12: 6,721,133 km (0.114 R)
• M13: 8,589,461 km (0.118 R)
• M14: 8,858,588 km (0.053 R)
• M15: 9,470,443 km (0.109 R)
• M16: 12,542,136 km (0.067 R)
• M17: 13,313,014 km (0.069 R)
• M18: 13,746,548 km (0.059 R)
• M19: 14,794,631 km (0.113 R)
• M20: 17,819,051 km (0.052 R)
• M21: 17,993,482 km (0.1 R)
• M22: 22,223,811 km (0.083 R)
• M23: 23,980,389 km (0.104 R)
• M24: 26,728,801 km (0.1 R)
• M25: 28,001,879 km (0.06 R)
• M26: 31,678,696 km (0.119 R)
• M27: 32,972,268 km (0.116 R)
• M28: 34,978,226 km (0.1 R)
• M29: 38,065,328 km (0.067 R)
• M30: 39,674,851 km (0.115 R)
• M31: 41,024,972 km (0.076 R)
• M32: 42,560,893 km (0.104 R)
• M33: 42,872,506 km (0.1 R)
• M34: 43,658,493 km (0.079 R)
• M35: 48,237,833 km (0.077 R)
• M36: 50,817,948 km (0.045 R)
• M37: 57,572,441 km (0.082 R)
• M38: 65,107,387 km (0.086 R)
• M39: 70,407,191 km (0.067 R)
• M40: 72,605,232 km (0.071 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 14,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit