🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.1

Radius: 9.5

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.69 AU - 0.99 AU

Year: 505 Days

Day: 12 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,008,388 km

• M1: 118,182 km (0.12 R)
• M2: 508,184 km (0.12 R)
• M3: 814,710 km (0.066 R)
• M4: 1,126,771 km (0.066 R)
• M5: 1,567,935 km (0.099 R)
• M6: 1,932,057 km (0.116 R)
• M7: 2,235,142 km (0.06 R)
• M8: 2,639,355 km (0.054 R)
• M9: 3,036,837 km (0.076 R)
• M10: 4,263,390 km (0.029 R)
• M11: 4,888,559 km (0.101 R)
• M12: 5,231,438 km (0.117 R)
• M13: 5,758,770 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 14.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.83 AU - 1.17 AU

Year: 656 Days

Day: 5.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,008,388 km

• M1: 180,265 km (0.072 R)
• M2: 697,724 km (0.063 R)
• M3: 1,243,009 km (0.08 R)
• M4: 1,952,701 km (0.11 R)
• M5: 2,501,426 km (0.111 R)
• M6: 3,115,974 km (0.045 R)
• M7: 3,930,834 km (0.077 R)
• M8: 4,539,547 km (0.093 R)
• M9: 5,317,157 km (0.06 R)
• M10: 5,794,973 km (0.113 R)
• M11: 7,404,347 km (0.079 R)
• M12: 8,073,199 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 11.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.23 AU - 1.49 AU

Year: 1040 Days

Day: 10.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,008,388 km

• M1: 140,622 km (0.092 R)
• M2: 621,878 km (0.062 R)
• M3: 1,058,255 km (0.1 R)
• M4: 1,590,525 km (0.102 R)
• M5: 2,046,349 km (0.114 R)
• M6: 2,650,276 km (0.107 R)
• M7: 3,190,324 km (0.117 R)
• M8: 5,115,350 km (0.118 R)
• M9: 5,585,087 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.5

Radius: 10.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.44 AU - 1.48 AU

Year: 1157 Days

Day: 14.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,008,388 km

• M1: 130,898 km (0.078 R)
• M2: 501,602 km (0.095 R)
• M3: 1,153,699 km (0.085 R)
• M4: 1,771,239 km (0.099 R)
• M5: 2,116,361 km (0.073 R)
• M6: 2,473,451 km (0.115 R)
• M7: 4,198,315 km (0.081 R)
• M8: 4,855,498 km (0.085 R)
• M9: 5,463,763 km (0.09 R)
• M10: 6,655,609 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 14.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.87 AU - 3.03 AU

Year: 2516 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,008,388 km

• M1: 175,329 km (0.069 R)
• M2: 853,157 km (0.07 R)
• M3: 1,337,555 km (0.108 R)
• M4: 1,878,201 km (0.096 R)
• M5: 2,463,129 km (0.088 R)
• M6: 2,968,171 km (0.079 R)
• M7: 3,711,822 km (0.093 R)
• M8: 5,129,561 km (0.066 R)
• M9: 5,572,969 km (0.116 R)
• M10: 6,286,402 km (0.077 R)
• M11: 6,766,461 km (0.091 R)
• M12: 7,240,537 km (0.078 R)
• M13: 7,928,986 km (0.091 R)
• M14: 9,767,544 km (0.115 R)
• M15: 12,879,778 km (0.092 R)
• M16: 14,466,114 km (0.117 R)
• M17: 15,306,405 km (0.092 R)
• M18: 17,357,542 km (0.094 R)
• M19: 18,592,472 km (0.098 R)
• M20: 19,705,331 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 12.8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.69 AU - 2.77 AU

Year: 2959 Days

Day: 5 Hours

Environment

Temp: -204 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,008,388 km

• M1: 159,471 km (0.065 R)
• M2: 614,997 km (0.077 R)
• M3: 1,175,390 km (0.106 R)
• M4: 1,651,261 km (0.041 R)
• M5: 3,133,327 km (0.041 R)
• M6: 3,553,548 km (0.114 R)
• M7: 4,981,160 km (0.114 R)
• M8: 6,050,037 km (0.106 R)
• M9: 7,978,354 km (0.111 R)
• M10: 9,576,956 km (0.112 R)
• M11: 11,734,158 km (0.059 R)
• M12: 12,506,532 km (0.116 R)
• M13: 13,054,209 km (0.077 R)
• M14: 13,928,160 km (0.112 R)
• M15: 14,747,807 km (0.078 R)
• M16: 15,792,748 km (0.099 R)

Asteroid Belt

Center: 3.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 12.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.09 AU - 4.03 AU

Year: 4406 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,008,388 km

• M1: 150,495 km (0.063 R)
• M2: 534,663 km (0.09 R)
• M3: 1,042,847 km (0.085 R)
• M4: 1,884,185 km (0.12 R)
• M5: 2,331,034 km (0.082 R)
• M6: 2,865,098 km (0.092 R)
• M7: 3,423,996 km (0.082 R)
• M8: 4,376,336 km (0.038 R)
• M9: 6,251,246 km (0.094 R)
• M10: 7,638,018 km (0.091 R)
• M11: 11,600,118 km (0.065 R)
• M12: 16,595,341 km (0.088 R)
• M13: 18,871,023 km (0.032 R)
• M14: 20,772,263 km (0.081 R)
• M15: 21,347,467 km (0.026 R)
• M16: 21,736,870 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.4

Radius: 12.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.91 AU - 4.55 AU

Year: 5707 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 86.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,008,388 km

• M1: 150,495 km (0.065 R)
• M2: 539,151 km (0.117 R)
• M3: 1,074,711 km (0.087 R)
• M4: 1,564,943 km (0.082 R)
• M5: 2,218,536 km (0.12 R)
• M6: 2,738,838 km (0.062 R)
• M7: 3,400,509 km (0.103 R)
• M8: 4,806,879 km (0.103 R)
• M9: 5,860,796 km (0.089 R)
• M10: 7,130,283 km (0.098 R)
• M11: 7,544,819 km (0.074 R)
• M12: 8,271,565 km (0.05 R)
• M13: 8,652,142 km (0.065 R)
• M14: 9,448,751 km (0.074 R)
• M15: 10,914,361 km (0.111 R)
• M16: 11,513,052 km (0.095 R)
• M17: 11,892,283 km (0.069 R)
• M18: 17,866,025 km (0.075 R)
• M19: 18,504,060 km (0.103 R)
• M20: 19,025,259 km (0.105 R)
• M21: 20,165,494 km (0.117 R)
• M22: 21,138,329 km (0.037 R)
• M23: 21,564,683 km (0.086 R)
• M24: 23,783,369 km (0.111 R)
• M25: 25,264,986 km (0.05 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 9.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.2 AU - 4.32 AU

Year: 5768 Days

Day: 10.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,008,388 km

• M1: 124,166 km (0.089 R)
• M2: 638,633 km (0.1 R)
• M3: 953,537 km (0.105 R)
• M4: 1,424,321 km (0.084 R)
• M5: 3,468,127 km (0.12 R)
• M6: 4,611,953 km (0.103 R)
• M7: 6,612,076 km (0.116 R)
• M8: 7,370,388 km (0.11 R)
• M9: 10,071,527 km (0.092 R)
• M10: 15,653,622 km (0.119 R)
• M11: 19,973,261 km (0.09 R)
• M12: 20,720,951 km (0.103 R)
• M13: 21,293,911 km (0.097 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: 345 - 16,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit