🌌 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: 619.1

Radius: 13.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.58 AU - 0.76 AU

Year: 385 Days

Day: 12.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,518,403 km

• M1: 168,298 km (0.08 R)
• M2: 581,936 km (0.089 R)
• M3: 1,173,296 km (0.108 R)
• M4: 1,596,658 km (0.062 R)
• M5: 2,116,211 km (0.106 R)
• M6: 2,576,674 km (0.118 R)
• M7: 3,222,637 km (0.101 R)
• M8: 3,862,318 km (0.081 R)
• M9: 4,299,144 km (0.104 R)
• M10: 5,211,990 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.2

Radius: 14.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.83 AU - 0.97 AU

Year: 600 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,518,403 km

• M1: 181,612 km (0.066 R)
• M2: 694,733 km (0.1 R)
• M3: 1,274,125 km (0.113 R)
• M4: 1,737,130 km (0.072 R)
• M5: 2,278,824 km (0.081 R)
• M6: 3,066,457 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 12.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.39 AU - 1.93 AU

Year: 1503 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,518,403 km

• M1: 157,975 km (0.089 R)
• M2: 581,936 km (0.073 R)
• M3: 1,113,008 km (0.068 R)
• M4: 1,823,000 km (0.081 R)
• M5: 2,265,959 km (0.114 R)
• M6: 3,135,422 km (0.077 R)
• M7: 3,952,825 km (0.08 R)
• M8: 4,351,952 km (0.119 R)
• M9: 4,759,905 km (0.077 R)
• M10: 5,271,380 km (0.115 R)
• M11: 5,989,300 km (0.06 R)
• M12: 6,473,100 km (0.038 R)
• M13: 7,248,017 km (0.12 R)
• M14: 7,953,072 km (0.12 R)
• M15: 9,917,142 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.7

Radius: 13.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.97 AU - 2.09 AU

Year: 2033 Days

Day: 9.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,518,403 km

• M1: 168,148 km (0.075 R)
• M2: 602,431 km (0.12 R)
• M3: 1,880,146 km (0.1 R)
• M4: 2,652,819 km (0.083 R)
• M5: 3,233,408 km (0.118 R)
• M6: 5,158,733 km (0.093 R)
• M7: 5,612,314 km (0.114 R)
• M8: 6,045,848 km (0.114 R)
• M9: 8,709,588 km (0.104 R)
• M10: 9,738,821 km (0.03 R)
• M11: 11,164,040 km (0.059 R)
• M12: 11,632,282 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 12.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.97 AU - 3.79 AU

Year: 4368 Days

Day: 12 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,518,403 km

• M1: 157,975 km (0.118 R)
• M2: 630,555 km (0.079 R)
• M3: 1,793,230 km (0.032 R)
• M4: 2,397,904 km (0.062 R)
• M5: 3,587,357 km (0.079 R)
• M6: 4,335,795 km (0.097 R)
• M7: 5,716,135 km (0.072 R)
• M8: 6,366,137 km (0.059 R)
• M9: 8,042,830 km (0.114 R)
• M10: 8,444,949 km (0.092 R)
• M11: 9,037,357 km (0.093 R)
• M12: 10,821,162 km (0.07 R)
• M13: 12,919,571 km (0.099 R)
• M14: 14,873,768 km (0.089 R)
• M15: 16,263,682 km (0.118 R)
• M16: 17,347,967 km (0.065 R)
• M17: 18,192,298 km (0.056 R)
• M18: 19,300,818 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 9.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.39 AU - 5.59 AU

Year: 6688 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,518,403 km

• M1: 122,072 km (0.11 R)
• M2: 428,598 km (0.118 R)
• M3: 908,059 km (0.107 R)
• M4: 1,229,994 km (0.054 R)
• M5: 3,338,276 km (0.049 R)
• M6: 3,850,799 km (0.115 R)
• M7: 4,221,054 km (0.083 R)
• M8: 6,507,507 km (0.104 R)
• M9: 10,415,602 km (0.099 R)
• M10: 12,332,400 km (0.089 R)
• M11: 15,258,085 km (0.096 R)
• M12: 17,656,588 km (0.099 R)
• M13: 18,357,903 km (0.09 R)
• M14: 20,573,447 km (0.07 R)
• M15: 21,065,475 km (0.12 R)
• M16: 23,338,913 km (0.057 R)
• M17: 25,048,518 km (0.073 R)
• M18: 26,839,952 km (0.096 R)
• M19: 29,065,370 km (0.03 R)
• M20: 29,863,625 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.6

Radius: 3

Gravity: 26.84 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.76 AU - 6.22 AU

Year: 10305 Days

Day: 23 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,518,403 km

• M1: 37,399 km (0.081 R)
• M2: 334,650 km (0.115 R)
• M3: 490,980 km (0.119 R)
• M4: 636,988 km (0.042 R)
• M5: 997,369 km (0.111 R)
• M6: 1,200,373 km (0.094 R)
• M7: 1,381,985 km (0.112 R)
• M8: 1,647,671 km (0.108 R)
• M9: 2,196,845 km (0.075 R)
• M10: 4,403,563 km (0.076 R)
• M11: 6,876,565 km (0.061 R)
• M12: 8,463,649 km (0.047 R)
• M13: 9,515,771 km (0.049 R)
• M14: 12,131,191 km (0.073 R)
• M15: 12,919,721 km (0.078 R)
• M16: 14,194,145 km (0.056 R)
• M17: 15,732,909 km (0.079 R)
• M18: 16,041,080 km (0.045 R)
• M19: 16,165,396 km (0.088 R)
• M20: 16,479,253 km (0.037 R)
• M21: 16,925,204 km (0.116 R)
• M22: 17,054,157 km (0.116 R)
• M23: 24,450,874 km (0.074 R)
• M24: 28,068,600 km (0.071 R)
• M25: 28,339,970 km (0.069 R)
• M26: 29,071,803 km (0.099 R)
• M27: 29,722,554 km (0.05 R)
• M28: 30,287,884 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.7

Radius: 4.5

Gravity: 42.21 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.18 AU - 10.28 AU

Year: 21334 Days

Day: 19.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,518,403 km

• M1: 57,446 km (0.112 R)
• M2: 426,055 km (0.109 R)
• M3: 1,123,181 km (0.112 R)
• M4: 1,407,417 km (0.086 R)
• M5: 2,909,230 km (0.08 R)
• M6: 4,280,444 km (0.1 R)
• M7: 4,598,938 km (0.086 R)
• M8: 4,857,443 km (0.06 R)
• M9: 5,525,547 km (0.098 R)
• M10: 5,691,301 km (0.107 R)
• M11: 5,946,067 km (0.099 R)
• M12: 7,587,006 km (0.113 R)
• M13: 7,895,776 km (0.081 R)
• M14: 8,159,367 km (0.107 R)
• M15: 8,872,351 km (0.102 R)
• M16: 10,421,436 km (0.111 R)
• M17: 11,526,516 km (0.108 R)
• M18: 12,923,910 km (0.096 R)
• M19: 15,717,051 km (0.119 R)
• M20: 20,325,713 km (0.119 R)
• M21: 24,514,603 km (0.037 R)
• M22: 26,223,011 km (0.088 R)
• M23: 27,285,305 km (0.092 R)
• M24: 27,766,562 km (0.098 R)
• M25: 28,869,995 km (0.061 R)
• M26: 29,621,575 km (0.09 R)
• M27: 32,894,029 km (0.118 R)
• M28: 35,394,108 km (0.052 R)
• M29: 39,991,550 km (0.113 R)
• M30: 47,177,185 km (0.077 R)
• M31: 60,101,543 km (0.096 R)
• M32: 63,402,270 km (0.094 R)
• M33: 67,257,707 km (0.053 R)
• M34: 76,616,699 km (0.18 R)
• M35: 77,573,677 km (0.051 R)
• M36: 81,233,439 km (0.099 R)
• M37: 84,751,532 km (0.073 R)
• M38: 85,262,259 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 14,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit