🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.2

Radius: 13.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.56 AU - 0.78 AU

Year: 372 Days

Day: 5.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 154.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,077,429 km

• M1: 164,258 km (0.107 R)
• M2: 777,909 km (0.091 R)
• M3: 1,334,712 km (0.054 R)
• M4: 1,920,238 km (0.097 R)
• M5: 2,408,975 km (0.113 R)
• M6: 2,834,880 km (0.107 R)
• M7: 3,323,018 km (0.045 R)
• M8: 3,892,686 km (0.071 R)
• M9: 4,386,658 km (0.117 R)
• M10: 4,997,915 km (0.087 R)
• M11: 5,420,529 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 13.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.84 AU - 1.08 AU

Year: 638 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,077,429 km

• M1: 169,195 km (0.068 R)
• M2: 607,517 km (0.089 R)
• M3: 1,167,013 km (0.075 R)
• M4: 1,635,703 km (0.119 R)
• M5: 2,208,364 km (0.071 R)
• M6: 2,680,794 km (0.096 R)
• M7: 3,200,497 km (0.111 R)
• M8: 3,903,756 km (0.067 R)
• M9: 4,432,585 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922

Radius: 11.5

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.56 AU - 2.58 AU

Year: 2020 Days

Day: 15 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,077,429 km

• M1: 143,016 km (0.113 R)
• M2: 602,431 km (0.112 R)
• M3: 1,014,872 km (0.103 R)
• M4: 1,388,867 km (0.083 R)
• M5: 1,984,117 km (0.069 R)
• M6: 3,005,272 km (0.104 R)
• M7: 3,651,834 km (0.067 R)
• M8: 4,165,852 km (0.073 R)
• M9: 4,815,406 km (0.116 R)
• M10: 5,435,040 km (0.103 R)
• M11: 5,852,119 km (0.12 R)
• M12: 6,477,139 km (0.107 R)
• M13: 8,557,447 km (0.089 R)
• M14: 8,954,480 km (0.11 R)
• M15: 9,714,287 km (0.065 R)
• M16: 10,553,980 km (0.074 R)
• M17: 11,964,688 km (0.108 R)
• M18: 12,630,548 km (0.086 R)
• M19: 14,636,356 km (0.109 R)
• M20: 15,014,091 km (0.081 R)
• M21: 15,398,258 km (0.118 R)
• M22: 16,387,400 km (0.045 R)
• M23: 17,471,236 km (0.08 R)
• M24: 18,057,660 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 12.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.95 AU - 3.45 AU

Year: 3883 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,077,429 km

• M1: 154,385 km (0.099 R)
• M2: 639,232 km (0.056 R)
• M3: 1,187,807 km (0.085 R)
• M4: 1,775,876 km (0.068 R)
• M5: 2,195,199 km (0.12 R)
• M6: 2,915,662 km (0.11 R)
• M7: 3,370,290 km (0.115 R)
• M8: 4,064,873 km (0.094 R)
• M9: 5,549,034 km (0.114 R)
• M10: 6,763,320 km (0.104 R)
• M11: 8,395,433 km (0.044 R)
• M12: 8,795,308 km (0.108 R)
• M13: 9,672,849 km (0.114 R)
• M14: 11,736,551 km (0.051 R)
• M15: 12,610,801 km (0.081 R)
• M16: 15,767,167 km (0.096 R)
• M17: 20,442,250 km (0.047 R)
• M18: 23,165,230 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.9

Radius: 13.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.7 AU - 5.02 AU

Year: 7267 Days

Day: 6.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,077,429 km

• M1: 166,652 km (0.069 R)
• M2: 670,946 km (0.098 R)
• M3: 1,120,787 km (0.103 R)
• M4: 2,052,333 km (0.073 R)
• M5: 2,845,052 km (0.067 R)
• M6: 3,291,004 km (0.083 R)
• M7: 4,113,642 km (0.119 R)
• M8: 4,773,668 km (0.051 R)
• M9: 5,795,721 km (0.097 R)
• M10: 7,980,298 km (0.03 R)
• M11: 8,700,762 km (0.119 R)
• M12: 9,603,286 km (0.098 R)
• M13: 10,174,301 km (0.045 R)
• M14: 10,667,375 km (0.111 R)
• M15: 13,029,227 km (0.112 R)
• M16: 15,206,175 km (0.095 R)
• M17: 18,184,070 km (0.067 R)
• M18: 20,502,538 km (0.035 R)
• M19: 21,773,372 km (0.032 R)
• M20: 22,760,418 km (0.071 R)
• M21: 27,290,990 km (0.053 R)
• M22: 28,632,733 km (0.084 R)
• M23: 33,459,509 km (0.107 R)
• M24: 36,008,207 km (0.103 R)
• M25: 36,809,005 km (0.067 R)
• M26: 39,162,329 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.6

Radius: 7.5

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.38 AU - 8.88 AU

Year: 14295 Days

Day: 18.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,077,429 km

• M1: 93,349 km (0.086 R)
• M2: 374,443 km (0.097 R)
• M3: 904,469 km (0.085 R)
• M4: 1,194,988 km (0.083 R)
• M5: 1,638,695 km (0.075 R)
• M6: 2,187,869 km (0.077 R)
• M7: 2,786,111 km (0.084 R)
• M8: 3,283,823 km (0.086 R)
• M9: 3,811,754 km (0.107 R)
• M10: 4,740,009 km (0.11 R)
• M11: 5,664,523 km (0.114 R)
• M12: 6,305,401 km (0.025 R)
• M13: 6,704,378 km (0.107 R)
• M14: 7,077,625 km (0.074 R)
• M15: 7,866,006 km (0.119 R)
• M16: 8,234,615 km (0.107 R)
• M17: 8,518,552 km (0.056 R)
• M18: 10,526,903 km (0.099 R)
• M19: 11,848,750 km (0.074 R)
• M20: 13,800,852 km (0.108 R)
• M21: 18,814,775 km (0.108 R)
• M22: 19,725,975 km (0.054 R)
• M23: 21,279,699 km (0.091 R)
• M24: 21,546,432 km (0.096 R)
• M25: 23,287,452 km (0.06 R)
• M26: 25,219,359 km (0.049 R)
• M27: 26,021,203 km (0.11 R)
• M28: 26,839,952 km (0.036 R)
• M29: 27,887,287 km (0.071 R)
• M30: 30,964,814 km (0.065 R)
• M31: 32,939,656 km (0.098 R)
• M32: 34,139,730 km (0.084 R)
• M33: 37,525,279 km (0.118 R)
• M34: 39,499,672 km (0.074 R)
• M35: 40,308,398 km (0.067 R)
• M36: 42,378,683 km (0.11 R)
• M37: 45,688,985 km (0.055 R)
• M38: 46,729,737 km (0.093 R)
• M39: 48,858,365 km (0.049 R)
• M40: 55,968,603 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.3

Radius: 7.7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.39 AU - 10.67 AU

Year: 21545 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,077,429 km

• M1: 95,743 km (0.113 R)
• M2: 410,646 km (0.087 R)
• M3: 1,679,984 km (0.095 R)
• M4: 2,027,051 km (0.099 R)
• M5: 2,379,803 km (0.106 R)
• M6: 3,158,310 km (0.043 R)
• M7: 4,373,344 km (0.112 R)
• M8: 4,964,854 km (0.062 R)
• M9: 5,424,269 km (0.104 R)
• M10: 5,911,809 km (0.063 R)
• M11: 6,469,210 km (0.108 R)
• M12: 7,781,034 km (0.108 R)
• M13: 8,499,553 km (0.066 R)
• M14: 9,419,280 km (0.104 R)
• M15: 9,740,168 km (0.103 R)
• M16: 10,291,137 km (0.091 R)
• M17: 11,395,019 km (0.075 R)
• M18: 11,759,589 km (0.118 R)
• M19: 15,844,210 km (0.108 R)
• M20: 18,701,080 km (0.068 R)
• M21: 21,147,753 km (0.044 R)
• M22: 22,637,599 km (0.085 R)
• M23: 27,525,559 km (0.118 R)
• M24: 32,101,160 km (0.104 R)
• M25: 42,724,105 km (0.117 R)
• M26: 51,083,035 km (0.084 R)
• M27: 55,643,975 km (0.101 R)
• M28: 60,102,441 km (0.092 R)
• M29: 60,469,105 km (0.101 R)
• M30: 61,392,124 km (0.096 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: 328 - 19,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit