🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.2

Radius: 13.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 8.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,467,298 km

• M1: 165,455 km (0.056 R)
• M2: 633,547 km (0.081 R)
• M3: 1,068,578 km (0.117 R)
• M4: 1,694,046 km (0.057 R)
• M5: 2,199,388 km (0.05 R)
• M6: 2,661,346 km (0.073 R)
• M7: 3,456,758 km (0.096 R)
• M8: 3,934,125 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 11.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.63 AU - 0.79 AU

Year: 406 Days

Day: 13.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,467,298 km

• M1: 146,756 km (0.04 R)
• M2: 644,617 km (0.06 R)
• M3: 1,016,368 km (0.11 R)
• M4: 1,538,315 km (0.111 R)
• M5: 2,252,944 km (0.061 R)
• M6: 3,243,431 km (0.096 R)
• M7: 3,764,331 km (0.053 R)
• M8: 4,886,914 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 10.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.76 AU - 0.98 AU

Year: 550 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,467,298 km

• M1: 135,536 km (0.093 R)
• M2: 522,097 km (0.092 R)
• M3: 994,975 km (0.115 R)
• M4: 1,489,247 km (0.11 R)
• M5: 2,000,722 km (0.102 R)
• M6: 2,636,962 km (0.119 R)
• M7: 3,025,168 km (0.119 R)
• M8: 3,944,447 km (0.077 R)
• M9: 4,498,408 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.1

Radius: 13.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.66 AU - 1.72 AU

Year: 1490 Days

Day: 9.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,467,298 km

• M1: 169,195 km (0.106 R)
• M2: 598,691 km (0.075 R)
• M3: 1,022,352 km (0.088 R)
• M4: 1,473,838 km (0.059 R)
• M5: 2,172,610 km (0.116 R)
• M6: 2,671,519 km (0.04 R)
• M7: 4,148,648 km (0.096 R)
• M8: 4,572,758 km (0.087 R)
• M9: 5,380,138 km (0.03 R)
• M10: 5,931,705 km (0.071 R)
• M11: 7,652,978 km (0.041 R)
• M12: 9,247,692 km (0.115 R)
• M13: 10,472,300 km (0.087 R)
• M14: 11,693,617 km (0.113 R)
• M15: 12,245,184 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.9

Radius: 14.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.47 AU - 2.33 AU

Year: 1776 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,467,298 km

• M1: 181,612 km (0.12 R)
• M2: 669,750 km (0.105 R)
• M3: 1,167,312 km (0.112 R)
• M4: 2,120,101 km (0.06 R)
• M5: 2,620,207 km (0.049 R)
• M6: 3,394,974 km (0.119 R)
• M7: 4,333,252 km (0.109 R)
• M8: 4,856,096 km (0.1 R)
• M9: 5,369,516 km (0.111 R)
• M10: 6,255,435 km (0.051 R)
• M11: 6,824,655 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.9

Radius: 12

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.43 AU - 2.95 AU

Year: 2992 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,467,298 km

• M1: 149,747 km (0.047 R)
• M2: 735,423 km (0.096 R)
• M3: 1,542,204 km (0.105 R)
• M4: 2,040,964 km (0.094 R)
• M5: 2,507,260 km (0.077 R)
• M6: 2,975,502 km (0.109 R)
• M7: 3,838,981 km (0.074 R)
• M8: 4,219,558 km (0.084 R)
• M9: 4,602,378 km (0.118 R)
• M10: 5,008,387 km (0.094 R)
• M11: 5,464,511 km (0.074 R)
• M12: 6,878,959 km (0.048 R)
• M13: 7,541,079 km (0.105 R)
• M14: 8,702,557 km (0.062 R)
• M15: 9,401,777 km (0.075 R)
• M16: 10,663,635 km (0.029 R)
• M17: 12,305,023 km (0.047 R)
• M18: 12,856,890 km (0.112 R)
• M19: 13,569,724 km (0.12 R)
• M20: 14,713,699 km (0.09 R)
• M21: 15,126,439 km (0.053 R)
• M22: 17,080,038 km (0.048 R)
• M23: 18,176,291 km (0.112 R)
• M24: 18,591,874 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.7

Radius: 13.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.85 AU - 4.45 AU

Year: 4730 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,467,298 km

• M1: 172,337 km (0.072 R)
• M2: 2,675,109 km (0.092 R)
• M3: 3,247,471 km (0.112 R)
• M4: 4,218,810 km (0.047 R)
• M5: 7,927,042 km (0.027 R)
• M6: 9,610,466 km (0.049 R)
• M7: 11,279,380 km (0.037 R)
• M8: 11,890,488 km (0.11 R)
• M9: 16,133,831 km (0.101 R)
• M10: 16,648,747 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.5

Radius: 6.6

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.58 AU - 7.96 AU

Year: 13295 Days

Day: 15.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,467,298 km

• M1: 89,160 km (0.081 R)
• M2: 331,060 km (0.061 R)
• M3: 583,880 km (0.11 R)
• M4: 2,186,223 km (0.103 R)
• M5: 2,733,452 km (0.092 R)
• M6: 3,132,579 km (0.075 R)
• M7: 4,300,939 km (0.057 R)
• M8: 4,813,162 km (0.104 R)
• M9: 6,457,392 km (0.107 R)
• M10: 7,238,742 km (0.105 R)
• M11: 7,806,466 km (0.107 R)
• M12: 8,281,738 km (0.082 R)
• M13: 9,914,300 km (0.073 R)
• M14: 11,246,918 km (0.11 R)
• M15: 11,904,550 km (0.115 R)
• M16: 12,641,020 km (0.115 R)
• M17: 12,856,890 km (0.028 R)
• M18: 13,296,109 km (0.11 R)
• M19: 16,980,555 km (0.064 R)
• M20: 17,643,124 km (0.066 R)
• M21: 19,590,140 km (0.096 R)
• M22: 20,171,627 km (0.109 R)
• M23: 20,466,634 km (0.038 R)
• M24: 21,369,158 km (0.083 R)
• M25: 24,318,929 km (0.111 R)
• M26: 27,258,826 km (0.097 R)
• M27: 29,376,833 km (0.027 R)
• M28: 34,459,720 km (0.088 R)
• M29: 35,951,061 km (0.105 R)
• M30: 36,167,529 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.5

Radius: 6.3

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.17 AU - 10.65 AU

Year: 19578 Days

Day: 22.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,467,298 km

• M1: 78,389 km (0.078 R)
• M2: 585,975 km (0.076 R)
• M3: 939,923 km (0.063 R)
• M4: 1,999,226 km (0.079 R)
• M5: 2,315,476 km (0.104 R)
• M6: 4,488,535 km (0.103 R)
• M7: 5,656,894 km (0.112 R)
• M8: 7,283,621 km (0.06 R)
• M9: 8,988,887 km (0.069 R)
• M10: 11,799,831 km (0.105 R)
• M11: 13,852,314 km (0.089 R)
• M12: 14,418,392 km (0.11 R)
• M13: 15,596,476 km (0.064 R)
• M14: 16,364,511 km (0.113 R)
• M15: 18,142,631 km (0.097 R)
• M16: 21,604,476 km (0.118 R)
• M17: 23,940,297 km (0.075 R)
• M18: 27,529,748 km (0.117 R)
• M19: 30,742,662 km (0.119 R)
• M20: 43,946,618 km (0.117 R)
• M21: 49,124,051 km (0.068 R)
• M22: 49,942,352 km (0.075 R)
• M23: 58,448,636 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 11,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit