🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.52 AU - 0.8 AU

Year: 346 Days

Day: 37.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.9

Radius: 11

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.62 AU - 0.96 AU

Year: 453 Days

Day: 5 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,597,288 km

• M1: 136,732 km (0.103 R)
• M2: 657,483 km (0.102 R)
• M3: 1,082,939 km (0.094 R)
• M4: 1,437,486 km (0.087 R)
• M5: 1,840,652 km (0.092 R)
• M6: 2,231,252 km (0.054 R)
• M7: 2,687,227 km (0.066 R)
• M8: 3,072,291 km (0.06 R)
• M9: 3,801,282 km (0.101 R)
• M10: 4,180,064 km (0.105 R)
• M11: 4,569,766 km (0.112 R)
• M12: 5,044,889 km (0.026 R)
• M13: 5,503,706 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 8.6

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.08 AU - 1.2 AU

Year: 786 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 90.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,597,288 km

• M1: 106,962 km (0.101 R)
• M2: 466,745 km (0.068 R)
• M3: 931,097 km (0.103 R)
• M4: 1,659,040 km (0.11 R)
• M5: 1,998,029 km (0.025 R)
• M6: 2,621,852 km (0.098 R)
• M7: 3,122,706 km (0.115 R)
• M8: 3,587,507 km (0.101 R)
• M9: 3,873,538 km (0.029 R)
• M10: 4,221,203 km (0.066 R)
• M11: 4,573,207 km (0.061 R)
• M12: 5,031,874 km (0.096 R)
• M13: 5,558,458 km (0.116 R)
• M14: 7,429,030 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.7

Radius: 9.2

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.98 AU - 1.4 AU

Year: 838 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,597,288 km

• M1: 114,592 km (0.067 R)
• M2: 420,071 km (0.085 R)
• M3: 874,848 km (0.085 R)
• M4: 1,186,760 km (0.115 R)
• M5: 1,513,781 km (0.051 R)
• M6: 1,885,980 km (0.076 R)
• M7: 2,283,163 km (0.07 R)
• M8: 2,973,407 km (0.051 R)
• M9: 3,327,057 km (0.049 R)
• M10: 4,793,116 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.9

Radius: 15

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.2 AU - 1.52 AU

Year: 1024 Days

Day: 14.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,597,288 km

• M1: 186,549 km (0.055 R)
• M2: 658,231 km (0.094 R)
• M3: 1,329,177 km (0.108 R)
• M4: 1,950,906 km (0.117 R)
• M5: 2,458,940 km (0.076 R)
• M6: 3,028,908 km (0.093 R)
• M7: 4,212,078 km (0.098 R)
• M8: 5,074,659 km (0.081 R)
• M9: 5,642,832 km (0.061 R)
• M10: 6,621,950 km (0.083 R)
• M11: 7,479,445 km (0.116 R)
• M12: 8,774,813 km (0.11 R)
• M13: 9,506,346 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 8.5

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.45 AU - 1.73 AU

Year: 1295 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,597,288 km

• M1: 105,766 km (0.103 R)
• M2: 370,554 km (0.117 R)
• M3: 676,482 km (0.092 R)
• M4: 1,491,640 km (0.08 R)
• M5: 1,930,261 km (0.034 R)
• M6: 2,406,132 km (0.084 R)
• M7: 3,607,403 km (0.112 R)
• M8: 3,924,999 km (0.026 R)
• M9: 5,089,020 km (0.081 R)
• M10: 5,911,210 km (0.065 R)
• M11: 6,537,427 km (0.062 R)
• M12: 7,059,972 km (0.113 R)
• M13: 7,381,608 km (0.056 R)
• M14: 8,627,160 km (0.048 R)
• M15: 9,344,182 km (0.094 R)
• M16: 9,732,389 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 13.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.35 AU - 3.19 AU

Year: 2977 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 74.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,597,288 km

• M1: 174,581 km (0.117 R)
• M2: 646,562 km (0.08 R)
• M3: 1,159,533 km (0.072 R)
• M4: 1,817,913 km (0.118 R)
• M5: 2,350,931 km (0.06 R)
• M6: 2,794,638 km (0.106 R)
• M7: 3,474,560 km (0.08 R)
• M8: 4,565,577 km (0.097 R)
• M9: 6,500,775 km (0.102 R)
• M10: 10,608,434 km (0.041 R)
• M11: 11,375,272 km (0.1 R)
• M12: 12,352,595 km (0.05 R)
• M13: 15,367,441 km (0.104 R)
• M14: 18,154,300 km (0.089 R)
• M15: 19,667,183 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 14.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.61 AU - 5.03 AU

Year: 6833 Days

Day: 14.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,597,288 km

• M1: 176,525 km (0.082 R)
• M2: 669,899 km (0.095 R)
• M3: 1,323,792 km (0.085 R)
• M4: 2,177,846 km (0.119 R)
• M5: 3,041,175 km (0.115 R)
• M6: 7,443,840 km (0.115 R)
• M7: 10,926,778 km (0.119 R)
• M8: 12,086,610 km (0.101 R)
• M9: 12,940,814 km (0.06 R)
• M10: 13,551,174 km (0.084 R)
• M11: 14,238,875 km (0.079 R)
• M12: 15,070,489 km (0.055 R)
• M13: 17,225,297 km (0.104 R)
• M14: 18,307,488 km (0.112 R)
• M15: 20,983,345 km (0.106 R)
• M16: 21,594,453 km (0.04 R)
• M17: 22,296,216 km (0.066 R)
• M18: 28,099,716 km (0.032 R)
• M19: 30,367,919 km (0.101 R)
• M20: 31,546,601 km (0.051 R)
• M21: 32,960,001 km (0.109 R)
• M22: 33,474,917 km (0.109 R)

Asteroid Belt

Center: 5.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402

Radius: 7.4

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.94 AU - 7.82 AU

Year: 11652 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,597,288 km

• M1: 93,798 km (0.043 R)
• M2: 333,753 km (0.107 R)
• M3: 1,759,121 km (0.102 R)
• M4: 3,895,379 km (0.099 R)
• M5: 4,324,426 km (0.069 R)
• M6: 5,405,569 km (0.054 R)
• M7: 6,882,549 km (0.104 R)
• M8: 11,991,317 km (0.078 R)
• M9: 13,191,839 km (0.113 R)
• M10: 14,850,581 km (0.098 R)
• M11: 15,302,366 km (0.113 R)
• M12: 15,829,848 km (0.062 R)
• M13: 17,342,881 km (0.061 R)
• M14: 19,025,408 km (0.059 R)
• M15: 21,872,854 km (0.08 R)
• M16: 23,397,855 km (0.09 R)
• M17: 23,833,783 km (0.093 R)
• M18: 26,188,154 km (0.11 R)
• M19: 31,565,001 km (0.084 R)
• M20: 32,635,374 km (0.096 R)
• M21: 36,107,391 km (0.066 R)
• M22: 36,455,954 km (0.068 R)
• M23: 37,515,107 km (0.084 R)
• M24: 43,775,030 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.6

Radius: 6.9

Gravity: 17.21 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.38 AU - 8.86 AU

Year: 16341 Days

Day: 21.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,597,288 km

• M1: 87,515 km (0.086 R)
• M2: 309,817 km (0.087 R)
• M3: 921,523 km (0.102 R)
• M4: 1,896,003 km (0.093 R)
• M5: 3,031,900 km (0.098 R)
• M6: 3,985,586 km (0.066 R)
• M7: 4,365,715 km (0.106 R)
• M8: 4,632,448 km (0.107 R)
• M9: 5,384,775 km (0.114 R)
• M10: 5,653,004 km (0.119 R)
• M11: 6,051,383 km (0.099 R)
• M12: 6,468,462 km (0.076 R)
• M13: 7,406,591 km (0.03 R)
• M14: 7,690,527 km (0.098 R)
• M15: 8,637,931 km (0.048 R)
• M16: 10,464,969 km (0.104 R)
• M17: 11,437,356 km (0.09 R)
• M18: 13,986,204 km (0.111 R)
• M19: 15,622,954 km (0.073 R)
• M20: 18,656,799 km (0.1 R)
• M21: 19,006,559 km (0.104 R)
• M22: 19,539,576 km (0.036 R)
• M23: 24,688,286 km (0.102 R)
• M24: 26,734,486 km (0.111 R)
• M25: 31,529,995 km (0.029 R)
• M26: 33,290,463 km (0.065 R)
• M27: 34,064,632 km (0.056 R)
• M28: 35,115,407 km (0.071 R)
• M29: 36,868,844 km (0.09 R)
• M30: 43,388,618 km (0.086 R)
• M31: 51,832,072 km (0.109 R)
• M32: 52,350,129 km (0.102 R)
• M33: 52,871,627 km (0.077 R)
• M34: 60,540,613 km (0.091 R)
• M35: 61,500,133 km (0.084 R)
• M36: 63,252,972 km (0.054 R)
• M37: 68,710,601 km (0.098 R)
• M38: 70,175,015 km (0.062 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 19,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit