🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.7

Radius: 13.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.71 AU - 0.79 AU

Year: 426 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,042,748 km

• M1: 172,935 km (0.12 R)
• M2: 630,405 km (0.101 R)
• M3: 1,251,985 km (0.079 R)
• M4: 1,803,402 km (0.081 R)
• M5: 2,757,238 km (0.102 R)
• M6: 3,377,621 km (0.084 R)
• M7: 4,344,621 km (0.077 R)
• M8: 4,975,924 km (0.111 R)
• M9: 5,456,882 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.2

Radius: 12.4

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.77 AU - 1.11 AU

Year: 598 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,042,748 km

• M1: 154,235 km (0.041 R)
• M2: 585,975 km (0.08 R)
• M3: 992,133 km (0.117 R)
• M4: 1,441,824 km (0.088 R)
• M5: 2,245,763 km (0.11 R)
• M6: 3,580,625 km (0.115 R)
• M7: 4,182,308 km (0.049 R)
• M8: 4,668,950 km (0.111 R)
• M9: 5,071,517 km (0.036 R)
• M10: 5,497,423 km (0.05 R)
• M11: 5,947,114 km (0.118 R)
• M12: 7,558,881 km (0.081 R)
• M13: 7,998,101 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.7

Radius: 10.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.89 AU - 1.01 AU

Year: 607 Days

Day: 13.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,042,748 km

• M1: 135,536 km (0.105 R)
• M2: 630,405 km (0.076 R)
• M3: 1,531,733 km (0.117 R)
• M4: 2,033,035 km (0.094 R)
• M5: 2,402,691 km (0.114 R)
• M6: 2,847,296 km (0.102 R)
• M7: 3,707,484 km (0.057 R)
• M8: 4,081,479 km (0.095 R)
• M9: 5,143,474 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.9

Radius: 13.7

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.88 AU - 2.14 AU

Year: 1869 Days

Day: 7.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,042,748 km

• M1: 173,982 km (0.11 R)
• M2: 798,105 km (0.06 R)
• M3: 1,317,508 km (0.12 R)
• M4: 1,831,377 km (0.075 R)
• M5: 2,331,184 km (0.1 R)
• M6: 3,141,106 km (0.113 R)
• M7: 3,883,411 km (0.073 R)
• M8: 4,466,843 km (0.097 R)
• M9: 5,299,505 km (0.086 R)
• M10: 7,381,907 km (0.116 R)
• M11: 8,049,712 km (0.078 R)
• M12: 8,848,864 km (0.098 R)
• M13: 9,635,449 km (0.108 R)
• M14: 10,096,061 km (0.07 R)
• M15: 10,990,507 km (0.072 R)
• M16: 12,392,239 km (0.072 R)
• M17: 13,056,603 km (0.083 R)
• M18: 13,580,495 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 10.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.26 AU - 2.5 AU

Year: 2409 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,042,748 km

• M1: 128,205 km (0.112 R)
• M2: 451,486 km (0.04 R)
• M3: 1,149,360 km (0.067 R)
• M4: 1,589,328 km (0.084 R)
• M5: 1,921,435 km (0.118 R)
• M6: 2,325,648 km (0.091 R)
• M7: 2,772,049 km (0.043 R)
• M8: 3,591,845 km (0.099 R)
• M9: 3,965,840 km (0.05 R)
• M10: 4,545,382 km (0.072 R)
• M11: 5,496,824 km (0.097 R)
• M12: 6,812,837 km (0.11 R)
• M13: 7,878,422 km (0.106 R)
• M14: 9,884,380 km (0.117 R)
• M15: 11,779,636 km (0.12 R)
• M16: 12,368,602 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 13.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2 AU - 3.26 AU

Year: 2798 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,042,748 km

• M1: 171,589 km (0.115 R)
• M2: 610,210 km (0.101 R)
• M3: 1,286,691 km (0.102 R)
• M4: 2,064,151 km (0.059 R)
• M5: 2,597,019 km (0.078 R)
• M6: 4,142,066 km (0.08 R)
• M7: 6,503,917 km (0.054 R)
• M8: 6,980,685 km (0.096 R)
• M9: 7,724,486 km (0.071 R)
• M10: 8,719,611 km (0.117 R)
• M11: 10,351,724 km (0.114 R)
• M12: 11,200,692 km (0.075 R)
• M13: 11,723,836 km (0.079 R)
• M14: 12,221,248 km (0.094 R)
• M15: 13,890,162 km (0.091 R)
• M16: 14,589,233 km (0.038 R)
• M17: 15,409,628 km (0.084 R)
• M18: 17,142,719 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.3

Radius: 8.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.4 AU - 7.04 AU

Year: 8974 Days

Day: 6.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,042,748 km

• M1: 105,018 km (0.1 R)
• M2: 548,725 km (0.118 R)
• M3: 976,724 km (0.103 R)
• M4: 1,440,777 km (0.101 R)
• M5: 1,752,090 km (0.088 R)
• M6: 2,220,930 km (0.056 R)
• M7: 3,993,366 km (0.109 R)
• M8: 5,918,690 km (0.111 R)
• M9: 6,725,771 km (0.118 R)
• M10: 8,765,388 km (0.095 R)
• M11: 10,225,762 km (0.061 R)
• M12: 12,683,506 km (0.09 R)
• M13: 13,064,083 km (0.094 R)
• M14: 14,604,043 km (0.059 R)
• M15: 25,674,435 km (0.109 R)
• M16: 26,021,652 km (0.075 R)
• M17: 28,632,434 km (0.104 R)
• M18: 32,412,174 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.5

Radius: 4.7

Gravity: 20.08 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.21 AU - 6.63 AU

Year: 9449 Days

Day: 15.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,042,748 km

• M1: 58,942 km (0.106 R)
• M2: 212,728 km (0.109 R)
• M3: 905,815 km (0.092 R)
• M4: 1,167,611 km (0.119 R)
• M5: 1,377,198 km (0.066 R)
• M6: 2,460,137 km (0.104 R)
• M7: 2,928,827 km (0.109 R)
• M8: 4,331,457 km (0.098 R)
• M9: 4,953,185 km (0.03 R)
• M10: 6,512,743 km (0.082 R)
• M11: 6,764,666 km (0.084 R)
• M12: 7,918,514 km (0.1 R)
• M13: 8,542,038 km (0.047 R)
• M14: 8,757,011 km (0.117 R)
• M15: 9,792,677 km (0.111 R)
• M16: 12,103,964 km (0.025 R)
• M17: 12,484,989 km (0.12 R)
• M18: 13,213,531 km (0.059 R)
• M19: 13,501,208 km (0.09 R)
• M20: 17,081,833 km (0.094 R)
• M21: 17,630,109 km (0.1 R)
• M22: 19,125,340 km (0.052 R)
• M23: 19,567,551 km (0.08 R)
• M24: 21,722,060 km (0.036 R)
• M25: 23,021,467 km (0.119 R)
• M26: 23,270,846 km (0.086 R)
• M27: 24,286,018 km (0.057 R)
• M28: 25,953,286 km (0.071 R)
• M29: 26,860,746 km (0.12 R)
• M30: 27,883,098 km (0.108 R)
• M31: 31,819,766 km (0.039 R)
• M32: 39,810,237 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.8

Radius: 5.5

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.96 AU - 6.24 AU

Year: 9883 Days

Day: 16.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,042,748 km

• M1: 71,358 km (0.037 R)
• M2: 461,809 km (0.067 R)
• M3: 958,025 km (0.098 R)
• M4: 1,292,526 km (0.11 R)
• M5: 1,556,566 km (0.112 R)
• M6: 2,145,084 km (0.119 R)
• M7: 2,755,742 km (0.076 R)
• M8: 3,050,450 km (0.098 R)
• M9: 4,603,725 km (0.099 R)
• M10: 6,282,363 km (0.081 R)
• M11: 8,053,601 km (0.112 R)
• M12: 8,697,471 km (0.094 R)
• M13: 9,116,943 km (0.101 R)
• M14: 10,041,757 km (0.111 R)
• M15: 14,427,667 km (0.117 R)
• M16: 15,864,555 km (0.115 R)
• M17: 31,234,988 km (0.035 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.9

Radius: 7.3

Gravity: 16.74 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.71 AU - 8.63 AU

Year: 12595 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,042,748 km

• M1: 94,995 km (0.098 R)
• M2: 354,697 km (0.066 R)
• M3: 851,960 km (0.063 R)
• M4: 2,681,691 km (0.05 R)
• M5: 3,128,391 km (0.058 R)
• M6: 3,991,720 km (0.108 R)
• M7: 4,291,664 km (0.091 R)
• M8: 4,970,838 km (0.108 R)
• M9: 5,354,108 km (0.056 R)
• M10: 5,608,125 km (0.1 R)
• M11: 5,984,962 km (0.049 R)
• M12: 6,831,536 km (0.099 R)
• M13: 7,261,780 km (0.088 R)
• M14: 7,894,130 km (0.1 R)
• M15: 8,860,383 km (0.027 R)
• M16: 9,741,963 km (0.092 R)
• M17: 12,230,972 km (0.073 R)
• M18: 12,482,147 km (0.108 R)
• M19: 18,505,107 km (0.075 R)
• M20: 19,510,853 km (0.088 R)
• M21: 22,463,915 km (0.119 R)
• M22: 26,847,283 km (0.114 R)
• M23: 28,904,553 km (0.118 R)
• M24: 32,844,362 km (0.104 R)
• M25: 39,676,796 km (0.107 R)
• M26: 43,496,030 km (0.077 R)
• M27: 44,970,616 km (0.109 R)
• M28: 48,802,266 km (0.098 R)
• M29: 49,593,938 km (0.11 R)
• M30: 54,185,845 km (0.073 R)
• M31: 56,933,060 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 11,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit