🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 9.7

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.65 AU - 1.07 AU

Year: 515 Days

Day: 9.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,247,940 km

• M1: 120,576 km (0.101 R)
• M2: 429,196 km (0.089 R)
• M3: 737,218 km (0.096 R)
• M4: 1,068,278 km (0.095 R)
• M5: 1,687,015 km (0.1 R)
• M6: 2,519,228 km (0.105 R)
• M7: 2,927,481 km (0.069 R)
• M8: 4,166,151 km (0.09 R)
• M9: 4,572,908 km (0.107 R)
• M10: 4,942,414 km (0.104 R)
• M11: 5,298,607 km (0.083 R)
• M12: 5,741,716 km (0.043 R)
• M13: 6,081,004 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 9.5

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.17 AU - 1.83 AU

Year: 1186 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,247,940 km

• M1: 118,482 km (0.119 R)
• M2: 425,756 km (0.094 R)
• M3: 783,594 km (0.112 R)
• M4: 1,081,892 km (0.084 R)
• M5: 1,508,096 km (0.085 R)
• M6: 2,283,761 km (0.117 R)
• M7: 2,993,753 km (0.115 R)
• M8: 3,992,019 km (0.066 R)
• M9: 4,495,117 km (0.112 R)
• M10: 6,399,049 km (0.106 R)
• M11: 7,138,661 km (0.1 R)
• M12: 7,593,588 km (0.063 R)
• M13: 8,617,735 km (0.11 R)
• M14: 8,988,438 km (0.105 R)
• M15: 9,369,913 km (0.119 R)
• M16: 9,854,012 km (0.103 R)
• M17: 10,806,801 km (0.104 R)
• M18: 11,441,395 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 9.3

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.27 AU - 2.09 AU

Year: 1406 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,247,940 km

• M1: 115,639 km (0.112 R)
• M2: 457,919 km (0.104 R)
• M3: 850,314 km (0.045 R)
• M4: 1,180,626 km (0.066 R)
• M5: 1,561,652 km (0.063 R)
• M6: 2,144,934 km (0.057 R)
• M7: 2,500,229 km (0.117 R)
• M8: 3,035,191 km (0.065 R)
• M9: 3,859,924 km (0.071 R)
• M10: 4,538,051 km (0.067 R)
• M11: 5,168,906 km (0.074 R)
• M12: 5,657,642 km (0.103 R)
• M13: 6,977,095 km (0.106 R)
• M14: 7,927,042 km (0.118 R)
• M15: 9,202,513 km (0.089 R)
• M16: 9,698,580 km (0.095 R)
• M17: 10,845,995 km (0.108 R)
• M18: 11,399,807 km (0.089 R)
• M19: 12,154,977 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.1

Radius: 11.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.38 AU - 2.04 AU

Year: 1444 Days

Day: 8 Hours

Environment

Temp: -181 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,247,940 km

• M1: 148,551 km (0.074 R)
• M2: 843,882 km (0.073 R)
• M3: 1,922,781 km (0.096 R)
• M4: 2,589,390 km (0.035 R)
• M5: 3,329,899 km (0.106 R)
• M6: 4,224,195 km (0.118 R)
• M7: 4,892,150 km (0.103 R)
• M8: 5,417,238 km (0.095 R)
• M9: 6,002,166 km (0.107 R)
• M10: 6,581,110 km (0.041 R)
• M11: 7,298,880 km (0.091 R)
• M12: 7,770,263 km (0.116 R)
• M13: 9,429,004 km (0.086 R)
• M14: 10,084,243 km (0.087 R)
• M15: 10,537,824 km (0.101 R)
• M16: 12,343,021 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.6

Radius: 11.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.09 AU - 2.19 AU

Year: 2021 Days

Day: 7.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,247,940 km

• M1: 214,972 km (0.105 R)
• M2: 744,698 km (0.088 R)
• M3: 1,331,122 km (0.1 R)
• M4: 1,859,950 km (0.034 R)
• M5: 2,353,623 km (0.1 R)
• M6: 2,933,913 km (0.082 R)
• M7: 4,612,551 km (0.108 R)
• M8: 6,238,082 km (0.06 R)
• M9: 6,856,669 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.9

Radius: 10.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.21 AU - 2.21 AU

Year: 2121 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,247,940 km

• M1: 148,251 km (0.119 R)
• M2: 772,673 km (0.106 R)
• M3: 1,169,257 km (0.081 R)
• M4: 1,511,088 km (0.069 R)
• M5: 3,026,664 km (0.117 R)
• M6: 3,549,060 km (0.045 R)
• M7: 3,930,086 km (0.105 R)
• M8: 5,004,348 km (0.113 R)
• M9: 5,395,397 km (0.12 R)
• M10: 5,736,779 km (0.027 R)
• M11: 9,693,344 km (0.115 R)
• M12: 10,794,683 km (0.09 R)
• M13: 12,442,653 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 11.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.1 AU - 2.5 AU

Year: 2252 Days

Day: 9.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 90.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,247,940 km

• M1: 144,212 km (0.084 R)
• M2: 576,101 km (0.108 R)
• M3: 960,269 km (0.086 R)
• M4: 1,451,698 km (0.044 R)
• M5: 2,155,406 km (0.094 R)
• M6: 2,553,187 km (0.03 R)
• M7: 2,985,525 km (0.049 R)
• M8: 3,499,543 km (0.034 R)
• M9: 4,035,702 km (0.112 R)
• M10: 5,165,166 km (0.061 R)
• M11: 5,676,491 km (0.032 R)
• M12: 6,148,323 km (0.1 R)
• M13: 8,097,733 km (0.069 R)
• M14: 8,635,687 km (0.099 R)
• M15: 9,133,848 km (0.117 R)
• M16: 9,552,722 km (0.093 R)
• M17: 11,030,300 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 9.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.2 AU - 4.86 AU

Year: 5224 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,247,940 km

• M1: 116,986 km (0.096 R)
• M2: 446,849 km (0.066 R)
• M3: 771,027 km (0.102 R)
• M4: 1,064,688 km (0.079 R)
• M5: 1,829,432 km (0.111 R)
• M6: 2,549,447 km (0.114 R)
• M7: 2,957,700 km (0.068 R)
• M8: 3,390,486 km (0.098 R)
• M9: 3,823,722 km (0.096 R)
• M10: 4,205,495 km (0.108 R)
• M11: 4,801,792 km (0.062 R)
• M12: 5,246,846 km (0.109 R)
• M13: 5,938,287 km (0.107 R)
• M14: 6,932,515 km (0.061 R)
• M15: 7,731,816 km (0.112 R)
• M16: 8,952,236 km (0.116 R)
• M17: 10,870,230 km (0.09 R)
• M18: 11,207,573 km (0.093 R)
• M19: 12,081,524 km (0.059 R)
• M20: 14,515,631 km (0.032 R)
• M21: 15,553,541 km (0.055 R)
• M22: 18,782,910 km (0.077 R)
• M23: 20,778,995 km (0.105 R)
• M24: 21,496,616 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 12.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.92 AU - 5.94 AU

Year: 7068 Days

Day: 14.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,247,940 km

• M1: 157,975 km (0.117 R)
• M2: 712,385 km (0.11 R)
• M3: 1,184,516 km (0.065 R)
• M4: 1,758,673 km (0.037 R)
• M5: 2,639,206 km (0.119 R)
• M6: 3,369,542 km (0.032 R)
• M7: 3,818,186 km (0.095 R)
• M8: 4,332,205 km (0.057 R)
• M9: 4,809,272 km (0.09 R)
• M10: 7,080,617 km (0.116 R)
• M11: 7,631,735 km (0.115 R)
• M12: 8,132,290 km (0.113 R)
• M13: 9,242,605 km (0.069 R)
• M14: 10,266,004 km (0.097 R)
• M15: 11,363,454 km (0.097 R)
• M16: 11,763,030 km (0.101 R)
• M17: 14,017,171 km (0.114 R)
• M18: 15,732,909 km (0.063 R)
• M19: 18,323,944 km (0.06 R)
• M20: 22,804,251 km (0.084 R)
• M21: 24,918,368 km (0.1 R)
• M22: 25,765,391 km (0.08 R)
• M23: 26,195,934 km (0.057 R)
• M24: 30,005,144 km (0.058 R)
• M25: 30,866,977 km (0.058 R)
• M26: 32,740,691 km (0.105 R)
• M27: 33,654,135 km (0.102 R)
• M28: 34,065,530 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.5

Radius: 4.6

Gravity: 41.85 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.74 AU - 11.12 AU

Year: 18697 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,247,940 km

• M1: 60,288 km (0.118 R)
• M2: 335,249 km (0.061 R)
• M3: 550,520 km (0.099 R)
• M4: 947,254 km (0.097 R)
• M5: 1,633,310 km (0.073 R)
• M6: 2,281,966 km (0.043 R)
• M7: 2,485,569 km (0.05 R)
• M8: 4,199,960 km (0.083 R)
• M9: 5,012,277 km (0.08 R)
• M10: 5,240,264 km (0.09 R)
• M11: 6,222,523 km (0.062 R)
• M12: 6,486,115 km (0.042 R)
• M13: 9,147,611 km (0.106 R)
• M14: 9,778,914 km (0.101 R)
• M15: 12,947,247 km (0.109 R)
• M16: 13,522,152 km (0.043 R)
• M17: 14,492,443 km (0.064 R)
• M18: 15,508,213 km (0.095 R)
• M19: 18,839,458 km (0.115 R)
• M20: 19,390,876 km (0.105 R)
• M21: 20,429,833 km (0.049 R)
• M22: 22,006,296 km (0.072 R)
• M23: 24,303,969 km (0.114 R)
• M24: 24,738,252 km (0.098 R)
• M25: 28,761,238 km (0.117 R)
• M26: 32,539,033 km (0.091 R)
• M27: 36,919,259 km (0.068 R)
• M28: 42,298,499 km (0.093 R)
• M29: 45,337,430 km (0.048 R)
• M30: 48,862,105 km (0.094 R)
• M31: 51,310,574 km (0.058 R)
• M32: 55,696,185 km (0.12 R)
• M33: 61,722,137 km (0.118 R)
• M34: 68,814,572 km (0.075 R)
• M35: 69,465,322 km (0.076 R)
• M36: 74,135,469 km (0.06 R)
• M37: 78,301,470 km (0.058 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: 445 - 18,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit