🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 13.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.63 AU - 0.67 AU

Year: 368 Days

Day: 5.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,654,243 km

• M1: 172,935 km (0.119 R)
• M2: 679,474 km (0.077 R)
• M3: 1,244,654 km (0.046 R)
• M4: 1,912,908 km (0.118 R)
• M5: 2,655,661 km (0.095 R)
• M6: 3,856,633 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 11.1

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.73 AU - 0.87 AU

Year: 503 Days

Day: 11.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,654,243 km

• M1: 138,079 km (0.096 R)
• M2: 496,815 km (0.097 R)
• M3: 945,758 km (0.097 R)
• M4: 1,392,307 km (0.058 R)
• M5: 2,122,195 km (0.081 R)
• M6: 3,043,569 km (0.098 R)
• M7: 4,690,492 km (0.087 R)
• M8: 5,341,542 km (0.084 R)
• M9: 6,420,142 km (0.12 R)
• M10: 6,990,260 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 13.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.63 AU - 0.97 AU

Year: 503 Days

Day: 12 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,654,243 km

• M1: 166,652 km (0.064 R)
• M2: 710,291 km (0.071 R)
• M3: 1,360,443 km (0.106 R)
• M4: 2,174,255 km (0.063 R)
• M5: 3,112,683 km (0.06 R)
• M6: 4,059,338 km (0.077 R)
• M7: 4,639,329 km (0.089 R)
• M8: 5,122,680 km (0.112 R)
• M9: 5,604,235 km (0.108 R)
• M10: 6,041,061 km (0.108 R)
• M11: 7,107,844 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.5

Radius: 10.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.8 AU - 1.14 AU

Year: 672 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,654,243 km

• M1: 135,835 km (0.104 R)
• M2: 694,583 km (0.102 R)
• M3: 1,113,457 km (0.048 R)
• M4: 1,511,387 km (0.107 R)
• M5: 2,018,973 km (0.069 R)
• M6: 2,448,020 km (0.081 R)
• M7: 3,163,097 km (0.112 R)
• M8: 3,670,683 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 10.1

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.24 AU - 3.06 AU

Year: 3032 Days

Day: 7.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,654,243 km

• M1: 130,898 km (0.081 R)
• M2: 550,520 km (0.052 R)
• M3: 1,082,191 km (0.112 R)
• M4: 1,443,470 km (0.115 R)
• M5: 1,936,245 km (0.114 R)
• M6: 2,272,392 km (0.035 R)
• M7: 2,695,604 km (0.1 R)
• M8: 4,073,550 km (0.08 R)
• M9: 4,470,284 km (0.073 R)
• M10: 4,820,492 km (0.083 R)
• M11: 6,236,436 km (0.06 R)
• M12: 6,795,184 km (0.101 R)
• M13: 8,217,710 km (0.06 R)
• M14: 8,673,685 km (0.105 R)
• M15: 10,025,002 km (0.113 R)
• M16: 11,169,276 km (0.06 R)
• M17: 11,685,538 km (0.106 R)
• M18: 12,398,522 km (0.108 R)
• M19: 14,258,023 km (0.097 R)
• M20: 15,490,710 km (0.091 R)
• M21: 17,933,045 km (0.074 R)
• M22: 18,641,241 km (0.098 R)
• M23: 20,050,902 km (0.031 R)
• M24: 20,878,328 km (0.095 R)
• M25: 21,861,186 km (0.082 R)
• M26: 22,262,856 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 8.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.11 AU - 4.63 AU

Year: 5351 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,654,243 km

• M1: 111,301 km (0.101 R)
• M2: 411,245 km (0.114 R)
• M3: 703,858 km (0.095 R)
• M4: 1,442,123 km (0.072 R)
• M5: 4,315,749 km (0.12 R)
• M6: 4,905,464 km (0.071 R)
• M7: 5,931,705 km (0.088 R)
• M8: 6,875,518 km (0.11 R)
• M9: 8,403,212 km (0.116 R)
• M10: 9,208,796 km (0.043 R)
• M11: 9,591,467 km (0.059 R)
• M12: 10,145,129 km (0.071 R)
• M13: 11,666,988 km (0.096 R)
• M14: 12,343,919 km (0.108 R)
• M15: 13,335,453 km (0.073 R)
• M16: 14,842,502 km (0.115 R)
• M17: 17,138,830 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 10.9

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.65 AU - 4.11 AU

Year: 5372 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,654,243 km

• M1: 135,536 km (0.078 R)
• M2: 520,152 km (0.076 R)
• M3: 869,463 km (0.118 R)
• M4: 1,309,580 km (0.12 R)
• M5: 1,726,060 km (0.096 R)
• M6: 2,066,844 km (0.106 R)
• M7: 2,743,176 km (0.098 R)
• M8: 3,292,051 km (0.095 R)
• M9: 4,074,448 km (0.112 R)
• M10: 4,636,337 km (0.035 R)
• M11: 5,030,079 km (0.04 R)
• M12: 5,795,721 km (0.117 R)
• M13: 6,379,751 km (0.059 R)
• M14: 6,901,548 km (0.052 R)
• M15: 7,381,458 km (0.081 R)
• M16: 8,408,148 km (0.119 R)
• M17: 9,485,851 km (0.097 R)
• M18: 10,036,671 km (0.116 R)
• M19: 12,606,014 km (0.091 R)
• M20: 14,287,644 km (0.109 R)
• M21: 15,585,405 km (0.096 R)
• M22: 16,715,468 km (0.103 R)
• M23: 17,582,537 km (0.107 R)
• M24: 18,609,826 km (0.116 R)
• M25: 21,641,127 km (0.092 R)
• M26: 26,950,206 km (0.04 R)
• M27: 28,838,430 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 10.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.81 AU - 5.03 AU

Year: 6532 Days

Day: 11 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,654,243 km

• M1: 133,441 km (0.112 R)
• M2: 515,065 km (0.049 R)
• M3: 871,258 km (0.091 R)
• M4: 1,208,900 km (0.089 R)
• M5: 1,586,934 km (0.11 R)
• M6: 3,947,589 km (0.107 R)
• M7: 4,332,654 km (0.04 R)
• M8: 5,292,324 km (0.077 R)
• M9: 6,163,881 km (0.099 R)
• M10: 7,411,527 km (0.099 R)
• M11: 8,345,168 km (0.099 R)
• M12: 9,023,594 km (0.107 R)
• M13: 10,997,687 km (0.115 R)
• M14: 11,376,619 km (0.087 R)
• M15: 12,980,607 km (0.082 R)
• M16: 14,447,115 km (0.072 R)
• M17: 15,425,336 km (0.116 R)
• M18: 18,625,384 km (0.117 R)
• M19: 20,487,129 km (0.08 R)
• M20: 20,844,967 km (0.098 R)
• M21: 21,721,012 km (0.095 R)
• M22: 24,097,823 km (0.083 R)
• M23: 25,803,090 km (0.117 R)
• M24: 27,241,473 km (0.117 R)
• M25: 28,288,509 km (0.113 R)
• M26: 28,643,355 km (0.111 R)
• M27: 31,305,898 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.9

Radius: 6.9

Gravity: 19.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.44 AU - 10.76 AU

Year: 19296 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,654,243 km

• M1: 86,318 km (0.099 R)
• M2: 333,005 km (0.115 R)
• M3: 955,332 km (0.113 R)
• M4: 1,922,781 km (0.094 R)
• M5: 2,211,206 km (0.034 R)
• M6: 2,528,354 km (0.098 R)
• M7: 2,927,780 km (0.119 R)
• M8: 3,821,178 km (0.081 R)
• M9: 4,996,868 km (0.09 R)
• M10: 7,781,932 km (0.053 R)
• M11: 10,939,344 km (0.111 R)
• M12: 12,834,749 km (0.06 R)
• M13: 13,710,346 km (0.077 R)
• M14: 16,491,071 km (0.091 R)
• M15: 18,785,304 km (0.065 R)
• M16: 20,395,426 km (0.109 R)
• M17: 24,985,986 km (0.103 R)
• M18: 36,428,727 km (0.086 R)
• M19: 41,999,303 km (0.095 R)
• M20: 43,758,724 km (0.027 R)
• M21: 56,312,827 km (0.116 R)
• M22: 60,439,784 km (0.098 R)
• M23: 74,715,161 km (0.113 R)
• M24: 76,820,601 km (0.032 R)
• M25: 78,965,236 km (0.075 R)
• M26: 80,416,934 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227

Radius: 5.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.57 AU - 11.07 AU

Year: 20000 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,654,243 km

• M1: 73,303 km (0.119 R)
• M2: 325,974 km (0.09 R)
• M3: 559,047 km (0.065 R)
• M4: 923,617 km (0.043 R)
• M5: 1,142,030 km (0.115 R)
• M6: 1,549,385 km (0.102 R)
• M7: 1,731,296 km (0.092 R)
• M8: 2,066,695 km (0.117 R)
• M9: 2,735,547 km (0.089 R)
• M10: 3,167,286 km (0.034 R)
• M11: 3,437,460 km (0.068 R)
• M12: 4,581,884 km (0.04 R)
• M13: 4,992,530 km (0.089 R)
• M14: 5,997,079 km (0.108 R)
• M15: 7,551,252 km (0.076 R)
• M16: 8,260,196 km (0.087 R)
• M17: 11,716,206 km (0.087 R)
• M18: 12,125,057 km (0.072 R)
• M19: 13,472,186 km (0.096 R)
• M20: 16,973,075 km (0.083 R)
• M21: 20,359,821 km (0.119 R)
• M22: 26,492,586 km (0.1 R)
• M23: 40,750,759 km (0.04 R)
• M24: 41,150,784 km (0.106 R)
• M25: 44,870,535 km (0.068 R)
• M26: 46,593,454 km (0.109 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: 206 - 18,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit