🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 13.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.07 AU - 1.19 AU

Year: 788 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,574,498 km

• M1: 164,109 km (0.101 R)
• M2: 671,246 km (0.065 R)
• M3: 1,202,168 km (0.099 R)
• M4: 1,802,654 km (0.078 R)
• M5: 2,273,140 km (0.076 R)
• M6: 2,873,027 km (0.085 R)
• M7: 3,577,035 km (0.084 R)
• M8: 4,267,578 km (0.06 R)
• M9: 4,720,112 km (0.07 R)
• M10: 5,896,400 km (0.049 R)
• M11: 7,081,066 km (0.079 R)
• M12: 7,812,599 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.3

Radius: 13.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.23 AU - 1.67 AU

Year: 1145 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,574,498 km

• M1: 164,258 km (0.06 R)
• M2: 643,121 km (0.077 R)
• M3: 1,361,341 km (0.09 R)
• M4: 1,855,462 km (0.073 R)
• M5: 3,064,961 km (0.044 R)
• M6: 3,660,959 km (0.104 R)
• M7: 4,128,303 km (0.095 R)
• M8: 5,567,434 km (0.046 R)
• M9: 7,023,919 km (0.115 R)
• M10: 8,443,603 km (0.078 R)
• M11: 8,890,452 km (0.098 R)
• M12: 9,353,308 km (0.086 R)
• M13: 9,893,057 km (0.104 R)
• M14: 10,677,249 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 13.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.75 AU - 3.23 AU

Year: 3392 Days

Day: 8.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,574,498 km

• M1: 164,258 km (0.105 R)
• M2: 665,860 km (0.105 R)
• M3: 1,188,705 km (0.09 R)
• M4: 1,846,038 km (0.12 R)
• M5: 2,892,475 km (0.064 R)
• M6: 3,650,038 km (0.09 R)
• M7: 4,386,210 km (0.075 R)
• M8: 4,846,821 km (0.047 R)
• M9: 6,209,209 km (0.044 R)
• M10: 6,878,360 km (0.078 R)
• M11: 7,971,622 km (0.104 R)
• M12: 8,865,319 km (0.075 R)
• M13: 9,569,626 km (0.067 R)
• M14: 10,272,886 km (0.113 R)
• M15: 11,908,140 km (0.081 R)
• M16: 12,331,951 km (0.039 R)
• M17: 13,481,760 km (0.114 R)
• M18: 15,239,385 km (0.119 R)
• M19: 15,739,641 km (0.073 R)
• M20: 17,306,529 km (0.119 R)
• M21: 19,671,671 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.8

Radius: 7.5

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.89 AU - 9.09 AU

Year: 13447 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,574,498 km

• M1: 93,349 km (0.105 R)
• M2: 499,358 km (0.103 R)
• M3: 1,372,411 km (0.084 R)
• M4: 1,846,038 km (0.118 R)
• M5: 2,973,557 km (0.064 R)
• M6: 3,822,525 km (0.12 R)
• M7: 4,791,021 km (0.037 R)
• M8: 5,262,703 km (0.096 R)
• M9: 8,966,148 km (0.083 R)
• M10: 12,121,467 km (0.114 R)
• M11: 12,742,447 km (0.103 R)
• M12: 12,996,764 km (0.078 R)
• M13: 15,874,877 km (0.099 R)
• M14: 16,542,682 km (0.07 R)
• M15: 17,540,201 km (0.09 R)
• M16: 18,334,266 km (0.115 R)
• M17: 20,251,513 km (0.098 R)
• M18: 21,661,472 km (0.106 R)
• M19: 31,059,959 km (0.107 R)
• M20: 31,405,380 km (0.11 R)
• M21: 32,221,137 km (0.031 R)
• M22: 32,931,578 km (0.094 R)
• M23: 35,250,045 km (0.088 R)
• M24: 38,331,612 km (0.076 R)
• M25: 42,289,074 km (0.079 R)
• M26: 43,570,529 km (0.068 R)
• M27: 47,265,597 km (0.076 R)
• M28: 48,182,482 km (0.067 R)
• M29: 49,111,335 km (0.057 R)
• M30: 49,423,546 km (0.077 R)
• M31: 51,004,496 km (0.089 R)
• M32: 52,293,282 km (0.061 R)
• M33: 56,631,920 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.2

Radius: 6.3

Gravity: 19.68 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.89 AU - 11.19 AU

Year: 19330 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,574,498 km

• M1: 85,420 km (0.096 R)
• M2: 373,097 km (0.088 R)
• M3: 797,357 km (0.101 R)
• M4: 1,350,570 km (0.063 R)
• M5: 4,074,747 km (0.101 R)
• M6: 5,428,757 km (0.063 R)
• M7: 5,954,145 km (0.11 R)
• M8: 8,880,279 km (0.063 R)
• M9: 10,195,693 km (0.093 R)
• M10: 14,080,152 km (0.107 R)
• M11: 14,304,399 km (0.055 R)
• M12: 15,941,448 km (0.118 R)
• M13: 17,526,587 km (0.11 R)
• M14: 20,333,791 km (0.114 R)
• M15: 21,993,879 km (0.118 R)
• M16: 23,114,965 km (0.107 R)
• M17: 23,322,757 km (0.119 R)
• M18: 24,812,752 km (0.046 R)
• M19: 25,030,716 km (0.119 R)
• M20: 27,165,178 km (0.055 R)
• M21: 27,629,530 km (0.1 R)
• M22: 28,813,597 km (0.099 R)
• M23: 30,278,459 km (0.115 R)
• M24: 34,156,934 km (0.103 R)
• M25: 35,796,826 km (0.098 R)
• M26: 36,354,826 km (0.115 R)
• M27: 38,499,461 km (0.092 R)
• M28: 38,938,231 km (0.117 R)
• M29: 41,949,337 km (0.088 R)
• M30: 42,413,988 km (0.1 R)
• M31: 42,725,750 km (0.097 R)
• M32: 46,751,579 km (0.087 R)
• M33: 57,620,462 km (0.092 R)
• M34: 58,579,534 km (0.114 R)
• M35: 62,320,977 km (0.106 R)
• M36: 66,848,407 km (0.099 R)
• M37: 67,694,532 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.5

Radius: 5.7

Gravity: 21.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.1 AU - 11.22 AU

Year: 22832 Days

Day: 17.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,574,498 km

• M1: 71,807 km (0.057 R)
• M2: 406,607 km (0.115 R)
• M3: 634,594 km (0.116 R)
• M4: 1,086,829 km (0.057 R)
• M5: 1,788,592 km (0.032 R)
• M6: 2,558,572 km (0.119 R)
• M7: 3,934,424 km (0.069 R)
• M8: 4,762,299 km (0.11 R)
• M9: 5,062,392 km (0.113 R)
• M10: 5,910,612 km (0.117 R)
• M11: 9,363,630 km (0.047 R)
• M12: 14,578,911 km (0.11 R)
• M13: 15,945,637 km (0.098 R)
• M14: 21,451,736 km (0.057 R)
• M15: 25,524,538 km (0.113 R)
• M16: 29,082,424 km (0.03 R)
• M17: 52,630,027 km (0.059 R)
• M18: 55,438,428 km (0.115 R)
• M19: 56,203,770 km (0.119 R)
• M20: 60,540,164 km (0.11 R)
• M21: 62,789,517 km (0.108 R)
• M22: 68,546,044 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 18,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit