🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.56 AU - 0.58 AU

Year: 292 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,720,136 km

• M1: 99,483 km (0.082 R)
• M2: 427,700 km (0.058 R)
• M3: 781,649 km (0.044 R)
• M4: 1,186,910 km (0.119 R)
• M5: 1,545,047 km (0.087 R)
• M6: 1,827,488 km (0.076 R)
• M7: 2,300,516 km (0.07 R)
• M8: 2,706,824 km (0.11 R)
• M9: 3,230,716 km (0.056 R)
• M10: 3,697,012 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257

Radius: 12.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.29 AU - 1.99 AU

Year: 1424 Days

Day: 11.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,720,136 km

• M1: 155,283 km (0.055 R)
• M2: 585,825 km (0.084 R)
• M3: 1,231,041 km (0.032 R)
• M4: 2,207,167 km (0.04 R)
• M5: 3,018,586 km (0.09 R)
• M6: 3,702,697 km (0.109 R)
• M7: 4,538,201 km (0.05 R)
• M8: 6,848,142 km (0.102 R)
• M9: 8,283,533 km (0.098 R)
• M10: 9,236,023 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.5

Radius: 9.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.39 AU - 2.15 AU

Year: 1597 Days

Day: 7.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,720,136 km

• M1: 131,048 km (0.119 R)
• M2: 460,313 km (0.118 R)
• M3: 849,118 km (0.08 R)
• M4: 1,353,113 km (0.095 R)
• M5: 1,822,850 km (0.112 R)
• M6: 2,168,272 km (0.065 R)
• M7: 2,697,698 km (0.037 R)
• M8: 3,149,783 km (0.047 R)
• M9: 3,463,191 km (0.081 R)
• M10: 4,331,008 km (0.113 R)
• M11: 4,835,602 km (0.037 R)
• M12: 5,654,800 km (0.057 R)
• M13: 6,805,806 km (0.035 R)
• M14: 8,051,208 km (0.119 R)
• M15: 8,815,354 km (0.104 R)
• M16: 9,658,039 km (0.102 R)
• M17: 10,003,460 km (0.098 R)
• M18: 10,586,443 km (0.112 R)
• M19: 11,021,474 km (0.032 R)
• M20: 12,252,365 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 9.9

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.87 AU - 3.95 AU

Year: 4271 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,720,136 km

• M1: 141,370 km (0.08 R)
• M2: 506,090 km (0.104 R)
• M3: 854,054 km (0.119 R)
• M4: 1,615,807 km (0.113 R)
• M5: 1,991,746 km (0.116 R)
• M6: 2,426,029 km (0.094 R)
• M7: 2,996,595 km (0.119 R)
• M8: 3,486,528 km (0.086 R)
• M9: 4,381,273 km (0.093 R)
• M10: 5,534,672 km (0.086 R)
• M11: 6,305,251 km (0.087 R)
• M12: 6,684,182 km (0.092 R)
• M13: 7,045,013 km (0.109 R)
• M14: 8,620,278 km (0.088 R)
• M15: 9,287,784 km (0.116 R)
• M16: 9,779,362 km (0.069 R)
• M17: 10,159,341 km (0.064 R)
• M18: 10,505,361 km (0.118 R)
• M19: 11,731,914 km (0.027 R)
• M20: 12,551,710 km (0.097 R)
• M21: 13,512,428 km (0.061 R)
• M22: 14,905,782 km (0.064 R)
• M23: 17,111,004 km (0.093 R)
• M24: 20,952,827 km (0.113 R)
• M25: 21,373,197 km (0.104 R)
• M26: 23,259,926 km (0.1 R)
• M27: 23,786,361 km (0.077 R)
• M28: 24,707,136 km (0.072 R)
• M29: 25,492,524 km (0.085 R)
• M30: 26,865,683 km (0.119 R)
• M31: 27,696,101 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.4

Radius: 7.8

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.14 AU - 8.56 AU

Year: 12160 Days

Day: 15.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,720,136 km

• M1: 113,395 km (0.099 R)
• M2: 876,943 km (0.116 R)
• M3: 1,520,962 km (0.029 R)
• M4: 2,283,013 km (0.101 R)
• M5: 3,584,515 km (0.1 R)
• M6: 4,120,823 km (0.058 R)
• M7: 6,300,314 km (0.075 R)
• M8: 7,718,053 km (0.048 R)
• M9: 9,383,526 km (0.084 R)
• M10: 14,319,807 km (0.08 R)
• M11: 15,929,630 km (0.094 R)
• M12: 18,825,246 km (0.065 R)
• M13: 23,581,561 km (0.08 R)
• M14: 32,074,232 km (0.1 R)
• M15: 34,031,571 km (0.1 R)
• M16: 37,350,250 km (0.115 R)
• M17: 38,663,420 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.2

Radius: 7.3

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.61 AU - 11.61 AU

Year: 20206 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,720,136 km

• M1: 90,806 km (0.077 R)
• M2: 328,218 km (0.063 R)
• M3: 712,235 km (0.064 R)
• M4: 1,010,384 km (0.087 R)
• M5: 1,267,842 km (0.109 R)
• M6: 1,990,100 km (0.043 R)
• M7: 4,063,078 km (0.097 R)
• M8: 5,904,030 km (0.05 R)
• M9: 6,378,404 km (0.037 R)
• M10: 6,835,276 km (0.112 R)
• M11: 10,723,774 km (0.103 R)
• M12: 11,917,415 km (0.096 R)
• M13: 12,418,867 km (0.052 R)
• M14: 13,330,068 km (0.111 R)
• M15: 15,066,899 km (0.076 R)
• M16: 18,398,294 km (0.108 R)
• M17: 18,983,371 km (0.087 R)
• M18: 21,632,450 km (0.076 R)
• M19: 23,627,039 km (0.066 R)
• M20: 26,578,605 km (0.092 R)
• M21: 29,881,277 km (0.063 R)
• M22: 31,630,974 km (0.1 R)
• M23: 35,589,782 km (0.113 R)
• M24: 37,155,773 km (0.104 R)
• M25: 40,987,124 km (0.105 R)
• M26: 44,923,493 km (0.107 R)
• M27: 45,375,727 km (0.117 R)
• M28: 47,996,682 km (0.106 R)
• M29: 60,218,828 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.8

Radius: 5.1

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.5 AU - 12.44 AU

Year: 22978 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,720,136 km

• M1: 63,429 km (0.113 R)
• M2: 322,683 km (0.053 R)
• M3: 892,052 km (0.037 R)
• M4: 2,595,822 km (0.118 R)
• M5: 5,551,727 km (0.112 R)
• M6: 6,257,230 km (0.112 R)
• M7: 6,651,570 km (0.042 R)
• M8: 12,449,535 km (0.056 R)
• M9: 17,028,726 km (0.095 R)
• M10: 23,449,765 km (0.048 R)
• M11: 29,641,621 km (0.048 R)
• M12: 33,287,621 km (0.06 R)
• M13: 40,098,512 km (0.101 R)
• M14: 49,923,053 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 10,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit