🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.2

Radius: 10.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.46 AU - 0.66 AU

Year: 284 Days

Day: 11 Hours

Environment

Temp: -145 °C

Axial Tilt: 136.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,944,040 km

• M1: 135,685 km (0.076 R)
• M2: 476,170 km (0.093 R)
• M3: 853,905 km (0.071 R)
• M4: 1,246,150 km (0.091 R)
• M5: 1,591,572 km (0.063 R)
• M6: 2,638,158 km (0.107 R)
• M7: 3,238,345 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 14.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.86 AU - 0.98 AU

Year: 599 Days

Day: 10 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,944,040 km

• M1: 177,872 km (0.084 R)
• M2: 780,751 km (0.114 R)
• M3: 1,535,024 km (0.038 R)
• M4: 2,031,539 km (0.062 R)
• M5: 2,625,443 km (0.103 R)
• M6: 4,799,399 km (0.098 R)
• M7: 5,566,387 km (0.077 R)
• M8: 6,454,101 km (0.083 R)
• M9: 6,911,122 km (0.119 R)
• M10: 8,031,311 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.5

Radius: 9.8

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.03 AU - 3.89 AU

Year: 4365 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,944,040 km

• M1: 121,922 km (0.107 R)
• M2: 429,346 km (0.095 R)
• M3: 938,128 km (0.088 R)
• M4: 1,271,582 km (0.045 R)
• M5: 1,612,216 km (0.115 R)
• M6: 2,247,708 km (0.114 R)
• M7: 2,912,970 km (0.064 R)
• M8: 3,312,097 km (0.102 R)
• M9: 3,747,427 km (0.08 R)
• M10: 4,939,722 km (0.094 R)
• M11: 7,660,309 km (0.11 R)
• M12: 8,275,156 km (0.115 R)
• M13: 8,728,737 km (0.098 R)
• M14: 9,603,435 km (0.027 R)
• M15: 10,361,597 km (0.115 R)
• M16: 11,295,986 km (0.064 R)
• M17: 12,529,420 km (0.095 R)
• M18: 14,382,489 km (0.085 R)
• M19: 15,431,020 km (0.085 R)
• M20: 16,235,558 km (0.111 R)
• M21: 18,116,452 km (0.077 R)
• M22: 20,341,570 km (0.059 R)
• M23: 20,821,331 km (0.032 R)
• M24: 21,946,307 km (0.082 R)
• M25: 25,091,602 km (0.096 R)
• M26: 25,564,182 km (0.111 R)
• M27: 27,100,103 km (0.114 R)
• M28: 28,355,379 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 13.7

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.13 AU - 4.77 AU

Year: 5325 Days

Day: 13.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,944,040 km

• M1: 170,392 km (0.09 R)
• M2: 1,034,469 km (0.042 R)
• M3: 2,070,135 km (0.096 R)
• M4: 2,622,750 km (0.044 R)
• M5: 6,452,755 km (0.025 R)
• M6: 7,717,156 km (0.07 R)
• M7: 12,655,082 km (0.087 R)
• M8: 15,659,606 km (0.112 R)
• M9: 19,380,404 km (0.044 R)
• M10: 22,964,769 km (0.103 R)
• M11: 25,559,245 km (0.101 R)

Asteroid Belt

Center: 4.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 9

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.77 AU - 6.13 AU

Year: 7470 Days

Day: 6.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,944,040 km

• M1: 111,899 km (0.066 R)
• M2: 637,885 km (0.029 R)
• M3: 985,252 km (0.085 R)
• M4: 1,286,242 km (0.094 R)
• M5: 1,593,367 km (0.108 R)
• M6: 2,063,703 km (0.113 R)
• M7: 2,508,457 km (0.045 R)
• M8: 4,459,213 km (0.086 R)
• M9: 4,927,754 km (0.068 R)
• M10: 5,493,683 km (0.084 R)
• M11: 7,615,728 km (0.046 R)
• M12: 8,030,264 km (0.065 R)
• M13: 8,547,424 km (0.095 R)
• M14: 9,600,743 km (0.111 R)
• M15: 9,889,317 km (0.082 R)
• M16: 11,313,040 km (0.109 R)
• M17: 13,941,175 km (0.059 R)
• M18: 14,751,996 km (0.101 R)
• M19: 16,331,001 km (0.112 R)
• M20: 17,021,096 km (0.103 R)
• M21: 19,744,376 km (0.03 R)
• M22: 20,133,330 km (0.112 R)
• M23: 30,144,569 km (0.111 R)
• M24: 30,660,532 km (0.043 R)
• M25: 33,770,373 km (0.091 R)
• M26: 36,498,141 km (0.114 R)
• M27: 39,002,558 km (0.104 R)
• M28: 39,862,148 km (0.076 R)
• M29: 41,365,158 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.8

Radius: 3.3

Gravity: 81.89 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.49 AU - 10.45 AU

Year: 16719 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,944,040 km

• M1: 41,139 km (0.106 R)
• M2: 256,560 km (0.081 R)
• M3: 507,586 km (0.104 R)
• M4: 621,729 km (0.057 R)
• M5: 985,252 km (0.092 R)
• M6: 1,248,544 km (0.08 R)
• M7: 3,040,726 km (0.041 R)
• M8: 3,713,318 km (0.075 R)
• M9: 5,045,637 km (0.103 R)
• M10: 5,422,773 km (0.059 R)
• M11: 6,534,435 km (0.106 R)
• M12: 7,027,958 km (0.089 R)
• M13: 10,949,517 km (0.096 R)
• M14: 11,198,747 km (0.098 R)
• M15: 12,234,114 km (0.096 R)
• M16: 16,766,780 km (0.093 R)
• M17: 16,931,786 km (0.099 R)
• M18: 19,814,088 km (0.102 R)
• M19: 21,033,909 km (0.101 R)
• M20: 26,081,790 km (0.111 R)
• M21: 26,526,246 km (0.098 R)
• M22: 28,354,780 km (0.113 R)
• M23: 29,180,561 km (0.076 R)
• M24: 29,419,468 km (0.067 R)
• M25: 31,753,943 km (0.114 R)
• M26: 33,160,313 km (0.106 R)
• M27: 35,550,438 km (0.109 R)
• M28: 37,346,211 km (0.083 R)
• M29: 37,627,754 km (0.08 R)
• M30: 39,492,491 km (0.106 R)
• M31: 49,406,043 km (0.084 R)
• M32: 55,753,182 km (0.054 R)
• M33: 56,305,347 km (0.106 R)
• M34: 56,861,253 km (0.109 R)
• M35: 57,420,749 km (0.111 R)
• M36: 63,418,726 km (0.039 R)
• M37: 64,020,409 km (0.103 R)
• M38: 66,671,732 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.6

Radius: 6.2

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.71 AU - 9.23 AU

Year: 16719 Days

Day: 21.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,944,040 km

• M1: 77,193 km (0.059 R)
• M2: 319,092 km (0.083 R)
• M3: 730,636 km (0.035 R)
• M4: 1,105,079 km (0.088 R)
• M5: 1,425,668 km (0.092 R)
• M6: 2,371,276 km (0.076 R)
• M7: 2,906,986 km (0.101 R)
• M8: 3,706,437 km (0.091 R)
• M9: 4,041,237 km (0.094 R)
• M10: 4,739,410 km (0.117 R)
• M11: 4,967,098 km (0.057 R)
• M12: 5,168,008 km (0.102 R)
• M13: 5,409,309 km (0.091 R)
• M14: 5,622,038 km (0.099 R)
• M15: 8,728,288 km (0.075 R)
• M16: 11,668,036 km (0.086 R)
• M17: 16,138,618 km (0.107 R)
• M18: 17,955,335 km (0.106 R)
• M19: 19,486,918 km (0.037 R)
• M20: 42,594,553 km (0.067 R)
• M21: 43,864,340 km (0.053 R)
• M22: 47,223,709 km (0.092 R)
• M23: 52,337,413 km (0.069 R)
• M24: 53,956,810 km (0.077 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: 523 - 12,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit