🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.6

Radius: 11.4

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.48 AU - 0.72 AU

Year: 310 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,166,370 km

• M1: 141,819 km (0.049 R)
• M2: 884,123 km (0.05 R)
• M3: 1,316,611 km (0.102 R)
• M4: 1,823,000 km (0.119 R)
• M5: 2,244,716 km (0.087 R)
• M6: 2,603,751 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 13.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.61 AU - 0.83 AU

Year: 407 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,166,370 km

• M1: 171,589 km (0.115 R)
• M2: 603,328 km (0.05 R)
• M3: 1,101,938 km (0.068 R)
• M4: 1,604,437 km (0.072 R)
• M5: 2,709,965 km (0.05 R)
• M6: 3,920,960 km (0.117 R)
• M7: 4,387,406 km (0.034 R)
• M8: 4,829,767 km (0.116 R)
• M9: 5,980,175 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 10.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.63 AU - 1.01 AU

Year: 495 Days

Day: 8.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,166,370 km

• M1: 126,859 km (0.093 R)
• M2: 465,549 km (0.086 R)
• M3: 832,363 km (0.095 R)
• M4: 1,213,837 km (0.101 R)
• M5: 1,595,611 km (0.055 R)
• M6: 1,948,512 km (0.096 R)
• M7: 2,335,223 km (0.107 R)
• M8: 2,731,059 km (0.115 R)
• M9: 3,183,293 km (0.083 R)
• M10: 3,557,886 km (0.106 R)
• M11: 4,098,682 km (0.09 R)
• M12: 4,513,667 km (0.095 R)
• M13: 5,361,588 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.2

Radius: 13.9

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.29 AU - 5.07 AU

Year: 5699 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,166,370 km

• M1: 187,895 km (0.055 R)
• M2: 798,703 km (0.075 R)
• M3: 1,264,700 km (0.119 R)
• M4: 2,189,066 km (0.07 R)
• M5: 3,003,776 km (0.117 R)
• M6: 4,677,327 km (0.114 R)
• M7: 5,150,655 km (0.079 R)
• M8: 5,779,564 km (0.081 R)
• M9: 6,560,914 km (0.043 R)
• M10: 7,635,475 km (0.051 R)
• M11: 8,215,167 km (0.117 R)
• M12: 8,949,543 km (0.097 R)
• M13: 9,419,580 km (0.035 R)
• M14: 9,951,250 km (0.069 R)
• M15: 10,786,306 km (0.081 R)
• M16: 11,768,416 km (0.115 R)
• M17: 13,242,703 km (0.088 R)
• M18: 15,803,220 km (0.057 R)
• M19: 16,683,005 km (0.078 R)
• M20: 18,199,030 km (0.097 R)
• M21: 23,058,417 km (0.1 R)
• M22: 25,189,738 km (0.054 R)
• M23: 28,628,844 km (0.086 R)
• M24: 30,221,463 km (0.066 R)
• M25: 30,700,924 km (0.049 R)
• M26: 31,283,009 km (0.111 R)
• M27: 35,036,869 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 12.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.17 AU - 5.47 AU

Year: 7057 Days

Day: 10 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,166,370 km

• M1: 151,842 km (0.118 R)
• M2: 690,394 km (0.12 R)
• M3: 1,124,228 km (0.057 R)
• M4: 2,118,306 km (0.049 R)
• M5: 2,528,802 km (0.071 R)
• M6: 3,422,500 km (0.11 R)
• M7: 3,820,131 km (0.103 R)
• M8: 5,510,587 km (0.113 R)
• M9: 5,993,639 km (0.119 R)
• M10: 6,645,885 km (0.068 R)
• M11: 7,156,463 km (0.119 R)
• M12: 8,548,322 km (0.096 R)
• M13: 11,291,946 km (0.065 R)
• M14: 13,456,628 km (0.07 R)
• M15: 16,013,554 km (0.043 R)
• M16: 16,733,419 km (0.101 R)
• M17: 19,905,343 km (0.084 R)
• M18: 21,123,668 km (0.106 R)
• M19: 22,310,428 km (0.093 R)
• M20: 23,877,017 km (0.032 R)
• M21: 25,781,099 km (0.106 R)
• M22: 30,481,613 km (0.1 R)
• M23: 31,081,501 km (0.105 R)
• M24: 32,201,839 km (0.099 R)
• M25: 32,824,166 km (0.105 R)
• M26: 34,956,534 km (0.052 R)
• M27: 37,407,247 km (0.027 R)
• M28: 39,495,932 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498

Radius: 6.1

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.05 AU - 7.39 AU

Year: 12937 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,166,370 km

• M1: 75,846 km (0.067 R)
• M2: 273,615 km (0.115 R)
• M3: 634,893 km (0.07 R)
• M4: 1,554,322 km (0.07 R)
• M5: 1,945,670 km (0.026 R)
• M6: 2,901,899 km (0.065 R)
• M7: 3,321,522 km (0.109 R)
• M8: 3,807,715 km (0.087 R)
• M9: 4,398,925 km (0.118 R)
• M10: 5,213,336 km (0.09 R)
• M11: 5,656,445 km (0.076 R)
• M12: 6,893,769 km (0.095 R)
• M13: 7,260,433 km (0.085 R)
• M14: 7,726,132 km (0.079 R)
• M15: 8,858,288 km (0.113 R)
• M16: 9,638,591 km (0.09 R)
• M17: 10,305,498 km (0.046 R)
• M18: 11,112,728 km (0.039 R)
• M19: 13,035,809 km (0.108 R)
• M20: 13,914,846 km (0.082 R)
• M21: 15,512,701 km (0.102 R)
• M22: 20,530,662 km (0.086 R)
• M23: 20,781,388 km (0.066 R)
• M24: 21,289,123 km (0.044 R)
• M25: 23,676,855 km (0.054 R)
• M26: 26,335,508 km (0.12 R)
• M27: 31,900,699 km (0.119 R)
• M28: 33,031,808 km (0.07 R)
• M29: 36,830,846 km (0.106 R)
• M30: 38,835,308 km (0.108 R)

Asteroid Belt

Center: 7.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.9

Radius: 3

Gravity: 28.99 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.74 AU - 8.42 AU

Year: 15316 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,166,370 km

• M1: 37,250 km (0.117 R)
• M2: 177,872 km (0.035 R)
• M3: 280,346 km (0.065 R)
• M4: 691,142 km (0.113 R)
• M5: 1,438,384 km (0.103 R)
• M6: 1,695,093 km (0.104 R)
• M7: 2,450,413 km (0.057 R)
• M8: 2,858,666 km (0.102 R)
• M9: 3,239,841 km (0.029 R)
• M10: 3,406,344 km (0.085 R)
• M11: 4,325,473 km (0.065 R)
• M12: 4,440,065 km (0.079 R)
• M13: 4,645,463 km (0.087 R)
• M14: 5,838,057 km (0.1 R)
• M15: 6,228,657 km (0.088 R)
• M16: 7,101,112 km (0.095 R)
• M17: 7,712,069 km (0.117 R)
• M18: 8,625,065 km (0.09 R)
• M19: 9,272,375 km (0.114 R)
• M20: 11,904,400 km (0.095 R)
• M21: 12,186,542 km (0.081 R)
• M22: 13,119,135 km (0.026 R)
• M23: 14,734,642 km (0.052 R)
• M24: 17,982,262 km (0.106 R)
• M25: 19,575,929 km (0.103 R)
• M26: 20,608,303 km (0.094 R)
• M27: 20,770,318 km (0.075 R)
• M28: 22,522,558 km (0.114 R)
• M29: 24,370,989 km (0.049 R)
• M30: 25,471,431 km (0.11 R)
• M31: 33,777,554 km (0.109 R)
• M32: 35,374,960 km (0.116 R)
• M33: 36,546,311 km (0.061 R)
• M34: 40,721,887 km (0.108 R)
• M35: 43,188,307 km (0.102 R)
• M36: 45,752,414 km (0.109 R)
• M37: 46,028,123 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 12,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit