🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 9.3

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.85 AU

Year: 404 Days

Day: 10.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 143.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,559,753 km

• M1: 115,639 km (0.062 R)
• M2: 415,284 km (0.096 R)
• M3: 918,082 km (0.101 R)
• M4: 1,395,150 km (0.096 R)
• M5: 1,908,121 km (0.111 R)
• M6: 2,454,901 km (0.099 R)
• M7: 2,839,667 km (0.099 R)
• M8: 3,287,862 km (0.114 R)
• M9: 3,967,186 km (0.081 R)
• M10: 4,354,944 km (0.105 R)
• M11: 5,519,413 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.3

Radius: 8.4

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.75 AU - 0.85 AU

Year: 494 Days

Day: 8.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,559,753 km

• M1: 104,569 km (0.095 R)
• M2: 536,009 km (0.109 R)
• M3: 839,094 km (0.1 R)
• M4: 1,131,409 km (0.08 R)
• M5: 1,395,299 km (0.101 R)
• M6: 1,820,905 km (0.053 R)
• M7: 2,169,768 km (0.079 R)
• M8: 2,460,137 km (0.044 R)
• M9: 2,765,765 km (0.093 R)
• M10: 3,466,631 km (0.097 R)
• M11: 4,062,629 km (0.092 R)
• M12: 5,183,117 km (0.116 R)
• M13: 5,545,892 km (0.107 R)
• M14: 5,999,623 km (0.107 R)
• M15: 6,283,559 km (0.113 R)
• M16: 6,636,162 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 12.3

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.18 AU - 1.32 AU

Year: 965 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,559,753 km

• M1: 153,039 km (0.108 R)
• M2: 551,717 km (0.116 R)
• M3: 951,891 km (0.032 R)
• M4: 1,349,822 km (0.035 R)
• M5: 1,861,895 km (0.091 R)
• M6: 2,622,600 km (0.087 R)
• M7: 3,130,784 km (0.099 R)
• M8: 3,581,223 km (0.088 R)
• M9: 4,329,662 km (0.115 R)
• M10: 4,723,254 km (0.047 R)
• M11: 5,258,964 km (0.038 R)
• M12: 5,942,027 km (0.101 R)
• M13: 7,310,549 km (0.094 R)
• M14: 8,108,953 km (0.064 R)
• M15: 8,710,186 km (0.093 R)
• M16: 9,788,338 km (0.04 R)
• M17: 10,281,263 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.9

Radius: 12.6

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.25 AU - 1.51 AU

Year: 1119 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,559,753 km

• M1: 156,779 km (0.109 R)
• M2: 1,021,155 km (0.112 R)
• M3: 1,451,548 km (0.097 R)
• M4: 1,876,406 km (0.092 R)
• M5: 2,813,338 km (0.094 R)
• M6: 3,561,028 km (0.098 R)
• M7: 5,052,369 km (0.103 R)
• M8: 5,938,736 km (0.094 R)
• M9: 6,362,098 km (0.062 R)
• M10: 7,834,141 km (0.104 R)
• M11: 8,262,590 km (0.115 R)
• M12: 9,552,273 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.2

Radius: 11.5

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.51 AU - 1.59 AU

Year: 1332 Days

Day: 14.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,559,753 km

• M1: 144,512 km (0.081 R)
• M2: 503,696 km (0.061 R)
• M3: 953,986 km (0.098 R)
• M4: 1,356,553 km (0.088 R)
• M5: 1,937,442 km (0.113 R)
• M6: 2,725,524 km (0.118 R)
• M7: 3,531,258 km (0.079 R)
• M8: 4,262,492 km (0.056 R)
• M9: 4,690,043 km (0.106 R)
• M10: 5,460,322 km (0.079 R)
• M11: 6,005,906 km (0.082 R)
• M12: 6,804,310 km (0.04 R)
• M13: 8,058,987 km (0.111 R)
• M14: 8,715,572 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.2

Radius: 10.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.31 AU - 1.93 AU

Year: 1423 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,559,753 km

• M1: 126,859 km (0.108 R)
• M2: 493,823 km (0.058 R)
• M3: 853,755 km (0.065 R)
• M4: 1,580,651 km (0.078 R)
• M5: 2,005,509 km (0.095 R)
• M6: 2,450,264 km (0.079 R)
• M7: 2,774,442 km (0.071 R)
• M8: 3,910,040 km (0.099 R)
• M9: 5,218,273 km (0.119 R)
• M10: 5,901,038 km (0.09 R)
• M11: 7,092,884 km (0.115 R)
• M12: 7,782,680 km (0.063 R)
• M13: 8,106,110 km (0.112 R)
• M14: 9,185,758 km (0.12 R)

Asteroid Belt

Center: 2.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.9

Radius: 14

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.26 AU - 4.82 AU

Year: 5605 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,559,753 km

• M1: 174,132 km (0.106 R)
• M2: 863,329 km (0.062 R)
• M3: 1,488,050 km (0.071 R)
• M4: 2,154,957 km (0.032 R)
• M5: 2,883,050 km (0.097 R)
• M6: 3,748,175 km (0.104 R)
• M7: 4,291,664 km (0.064 R)
• M8: 5,334,510 km (0.071 R)
• M9: 6,311,085 km (0.087 R)
• M10: 7,548,858 km (0.045 R)
• M11: 8,110,299 km (0.05 R)
• M12: 10,140,940 km (0.083 R)
• M13: 11,250,807 km (0.113 R)
• M14: 11,984,734 km (0.105 R)
• M15: 13,278,606 km (0.117 R)
• M16: 15,302,965 km (0.09 R)
• M17: 16,204,441 km (0.092 R)
• M18: 16,824,973 km (0.081 R)
• M19: 18,047,487 km (0.119 R)
• M20: 18,646,926 km (0.11 R)
• M21: 20,453,619 km (0.08 R)
• M22: 24,900,266 km (0.046 R)
• M23: 27,786,458 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 12

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.53 AU - 4.71 AU

Year: 6854 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,559,753 km

• M1: 151,842 km (0.114 R)
• M2: 643,121 km (0.084 R)
• M3: 1,472,342 km (0.076 R)
• M4: 2,023,461 km (0.069 R)
• M5: 2,488,710 km (0.108 R)
• M6: 2,864,350 km (0.07 R)
• M7: 3,568,508 km (0.085 R)
• M8: 4,024,482 km (0.113 R)
• M9: 6,117,655 km (0.059 R)
• M10: 6,596,668 km (0.117 R)
• M11: 7,027,210 km (0.085 R)
• M12: 7,825,913 km (0.086 R)
• M13: 12,002,686 km (0.094 R)
• M14: 12,810,664 km (0.095 R)
• M15: 14,776,081 km (0.106 R)
• M16: 15,515,543 km (0.063 R)
• M17: 17,336,897 km (0.118 R)
• M18: 18,299,111 km (0.032 R)
• M19: 22,346,780 km (0.092 R)
• M20: 25,094,295 km (0.034 R)
• M21: 27,411,865 km (0.119 R)
• M22: 27,966,424 km (0.053 R)
• M23: 28,528,314 km (0.108 R)
• M24: 28,907,096 km (0.102 R)
• M25: 29,385,360 km (0.096 R)
• M26: 31,250,995 km (0.089 R)
• M27: 31,957,696 km (0.047 R)
• M28: 32,882,210 km (0.116 R)
• M29: 35,652,913 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.1

Radius: 7.5

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.43 AU - 8.19 AU

Year: 12267 Days

Day: 19.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,559,753 km

• M1: 94,396 km (0.114 R)
• M2: 588,368 km (0.107 R)
• M3: 823,237 km (0.043 R)
• M4: 1,317,957 km (0.064 R)
• M5: 2,823,510 km (0.068 R)
• M6: 3,097,125 km (0.043 R)
• M7: 3,778,244 km (0.079 R)
• M8: 4,226,738 km (0.054 R)
• M9: 4,494,219 km (0.052 R)
• M10: 4,868,663 km (0.05 R)
• M11: 6,117,805 km (0.093 R)
• M12: 7,874,383 km (0.108 R)
• M13: 9,184,262 km (0.103 R)
• M14: 9,432,595 km (0.088 R)
• M15: 9,685,415 km (0.051 R)
• M16: 12,051,006 km (0.114 R)
• M17: 12,530,018 km (0.101 R)
• M18: 13,590,069 km (0.1 R)
• M19: 15,186,877 km (0.116 R)
• M20: 16,390,990 km (0.085 R)
• M21: 20,552,653 km (0.079 R)
• M22: 23,103,596 km (0.08 R)
• M23: 24,788,966 km (0.1 R)
• M24: 27,161,289 km (0.047 R)
• M25: 28,824,368 km (0.075 R)
• M26: 30,115,547 km (0.1 R)
• M27: 31,332,526 km (0.069 R)
• M28: 33,277,298 km (0.065 R)
• M29: 34,577,753 km (0.069 R)
• M30: 37,532,011 km (0.118 R)
• M31: 41,186,239 km (0.106 R)
• M32: 43,796,721 km (0.076 R)
• M33: 44,077,816 km (0.037 R)
• M34: 45,789,515 km (0.082 R)
• M35: 46,224,246 km (0.097 R)
• M36: 47,545,046 km (0.069 R)
• M37: 47,841,848 km (0.104 R)
• M38: 48,589,538 km (0.093 R)
• M39: 49,041,772 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 16,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit