🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975

Radius: 11.6

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.3 AU - 1.76 AU

Year: 1222 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,639,334 km

• M1: 144,362 km (0.06 R)
• M2: 524,191 km (0.068 R)
• M3: 899,532 km (0.119 R)
• M4: 1,301,501 km (0.079 R)
• M5: 1,886,429 km (0.118 R)
• M6: 2,641,001 km (0.064 R)
• M7: 3,412,477 km (0.103 R)
• M8: 3,971,674 km (0.093 R)
• M9: 4,610,307 km (0.09 R)
• M10: 5,046,086 km (0.083 R)
• M11: 6,233,743 km (0.116 R)
• M12: 7,762,634 km (0.077 R)
• M13: 9,063,537 km (0.118 R)
• M14: 9,496,473 km (0.088 R)
• M15: 10,073,472 km (0.064 R)
• M16: 10,538,422 km (0.104 R)
• M17: 11,582,765 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.4

Radius: 8.5

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.76 AU - 2.78 AU

Year: 2977 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,639,334 km

• M1: 105,766 km (0.078 R)
• M2: 500,405 km (0.067 R)
• M3: 778,507 km (0.091 R)
• M4: 1,043,894 km (0.059 R)
• M5: 1,815,969 km (0.085 R)
• M6: 2,086,292 km (0.066 R)
• M7: 2,519,677 km (0.105 R)
• M8: 2,942,889 km (0.081 R)
• M9: 3,686,092 km (0.077 R)
• M10: 3,952,974 km (0.092 R)
• M11: 4,299,293 km (0.117 R)
• M12: 5,203,612 km (0.11 R)
• M13: 6,579,763 km (0.106 R)
• M14: 7,098,569 km (0.104 R)
• M15: 8,012,462 km (0.117 R)
• M16: 8,357,285 km (0.027 R)
• M17: 10,231,746 km (0.101 R)
• M18: 10,679,044 km (0.07 R)
• M19: 11,012,498 km (0.071 R)
• M20: 14,034,524 km (0.1 R)
• M21: 14,485,562 km (0.092 R)
• M22: 17,626,668 km (0.119 R)
• M23: 20,999,352 km (0.106 R)
• M24: 21,325,924 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 14.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.52 AU - 4.56 AU

Year: 5243 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,639,334 km

• M1: 179,069 km (0.12 R)
• M2: 1,073,814 km (0.103 R)
• M3: 1,998,927 km (0.1 R)
• M4: 2,449,964 km (0.069 R)
• M5: 3,350,992 km (0.118 R)
• M6: 4,060,535 km (0.065 R)
• M7: 4,698,869 km (0.116 R)
• M8: 5,483,211 km (0.088 R)
• M9: 6,034,479 km (0.071 R)
• M10: 6,501,972 km (0.075 R)
• M11: 7,025,266 km (0.097 R)
• M12: 9,679,581 km (0.099 R)
• M13: 11,209,817 km (0.056 R)
• M14: 11,739,244 km (0.079 R)
• M15: 14,851,029 km (0.11 R)
• M16: 15,926,788 km (0.091 R)
• M17: 17,696,231 km (0.088 R)
• M18: 19,593,581 km (0.077 R)
• M19: 22,168,908 km (0.095 R)
• M20: 24,006,419 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.1

Radius: 3.7

Gravity: 71.74 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.92 AU - 7.92 AU

Year: 13050 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 49,639,334 km

• M1: 46,675 km (0.11 R)
• M2: 197,768 km (0.072 R)
• M3: 467,793 km (0.082 R)
• M4: 780,751 km (0.088 R)
• M5: 1,179,729 km (0.039 R)
• M6: 2,062,057 km (0.087 R)
• M7: 2,694,557 km (0.112 R)
• M8: 2,907,285 km (0.043 R)
• M9: 3,755,505 km (0.079 R)
• M10: 5,355,155 km (0.107 R)
• M11: 5,502,958 km (0.114 R)
• M12: 7,680,953 km (0.095 R)
• M13: 11,556,286 km (0.054 R)
• M14: 11,679,405 km (0.105 R)
• M15: 13,360,436 km (0.084 R)
• M16: 16,020,885 km (0.107 R)
• M17: 16,250,966 km (0.086 R)
• M18: 16,483,142 km (0.03 R)
• M19: 17,515,218 km (0.104 R)
• M20: 17,841,192 km (0.085 R)
• M21: 18,421,482 km (0.115 R)
• M22: 19,706,976 km (0.035 R)
• M23: 20,326,910 km (0.104 R)
• M24: 22,839,855 km (0.11 R)
• M25: 27,148,274 km (0.056 R)
• M26: 28,360,016 km (0.119 R)
• M27: 31,606,141 km (0.086 R)
• M28: 32,822,970 km (0.12 R)
• M29: 35,349,678 km (0.087 R)
• M30: 36,395,666 km (0.092 R)
• M31: 38,962,167 km (0.093 R)
• M32: 39,517,474 km (0.086 R)
• M33: 40,786,064 km (0.078 R)
• M34: 45,823,773 km (0.067 R)
• M35: 51,927,066 km (0.061 R)
• M36: 54,998,161 km (0.055 R)
• M37: 56,224,415 km (0.108 R)
• M38: 62,251,713 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.8

Radius: 5.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.88 AU - 8.96 AU

Year: 13050 Days

Day: 24 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,639,334 km

• M1: 68,665 km (0.101 R)
• M2: 369,507 km (0.025 R)
• M3: 589,266 km (0.078 R)
• M4: 772,374 km (0.103 R)
• M5: 1,986,510 km (0.089 R)
• M6: 2,321,759 km (0.075 R)
• M7: 2,904,592 km (0.096 R)
• M8: 3,717,357 km (0.032 R)
• M9: 4,380,525 km (0.117 R)
• M10: 4,591,458 km (0.11 R)
• M11: 5,594,811 km (0.062 R)
• M12: 6,262,765 km (0.045 R)
• M13: 8,584,524 km (0.089 R)
• M14: 8,957,322 km (0.108 R)
• M15: 11,374,525 km (0.113 R)
• M16: 12,865,716 km (0.038 R)
• M17: 15,249,409 km (0.07 R)
• M18: 15,857,524 km (0.074 R)
• M19: 16,167,491 km (0.106 R)
• M20: 20,647,797 km (0.05 R)
• M21: 21,017,454 km (0.105 R)
• M22: 24,381,461 km (0.112 R)
• M23: 25,128,403 km (0.101 R)
• M24: 27,638,655 km (0.094 R)
• M25: 29,464,049 km (0.069 R)
• M26: 31,660,893 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.5

Radius: 5.6

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.36 AU - 9.38 AU

Year: 14255 Days

Day: 17.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 136.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,639,334 km

• M1: 71,358 km (0.106 R)
• M2: 299,046 km (0.114 R)
• M3: 769,681 km (0.052 R)
• M4: 991,983 km (0.086 R)
• M5: 1,303,895 km (0.087 R)
• M6: 3,634,929 km (0.099 R)
• M7: 4,376,037 km (0.098 R)
• M8: 5,644,028 km (0.092 R)
• M9: 5,908,218 km (0.029 R)
• M10: 6,868,487 km (0.056 R)
• M11: 7,638,018 km (0.115 R)
• M12: 11,673,271 km (0.033 R)
• M13: 16,132,634 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.3

Radius: 5.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.89 AU - 11.95 AU

Year: 21718 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,639,334 km

• M1: 65,973 km (0.071 R)
• M2: 246,986 km (0.107 R)
• M3: 512,074 km (0.098 R)
• M4: 692,937 km (0.072 R)
• M5: 947,254 km (0.075 R)
• M6: 1,213,538 km (0.094 R)
• M7: 2,283,761 km (0.098 R)
• M8: 2,556,628 km (0.086 R)
• M9: 2,872,878 km (0.107 R)
• M10: 3,191,222 km (0.088 R)
• M11: 3,432,822 km (0.112 R)
• M12: 5,548,286 km (0.072 R)
• M13: 6,680,592 km (0.059 R)
• M14: 7,530,158 km (0.106 R)
• M15: 9,392,353 km (0.109 R)
• M16: 11,262,924 km (0.115 R)
• M17: 12,052,951 km (0.073 R)
• M18: 12,939,767 km (0.118 R)
• M19: 15,653,323 km (0.106 R)
• M20: 18,801,311 km (0.08 R)
• M21: 19,669,577 km (0.058 R)
• M22: 21,485,695 km (0.103 R)
• M23: 24,507,572 km (0.025 R)
• M24: 31,050,534 km (0.088 R)
• M25: 31,928,524 km (0.049 R)
• M26: 32,373,578 km (0.118 R)
• M27: 33,848,762 km (0.08 R)
• M28: 36,325,505 km (0.057 R)
• M29: 36,567,554 km (0.105 R)
• M30: 49,342,464 km (0.108 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: 393 - 17,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit