🌌 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: 49.1

Radius: 14.7

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.6 AU - 0.74 AU

Year: 372 Days

Day: 11.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 59,423,855 km

• M1: 182,809 km (0.071 R)
• M2: 896,241 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 8.6

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.88 AU - 1.42 AU

Year: 836 Days

Day: 14.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,423,855 km

• M1: 106,962 km (0.12 R)
• M2: 598,092 km (0.093 R)
• M3: 945,758 km (0.07 R)
• M4: 1,248,394 km (0.092 R)
• M5: 1,599,949 km (0.084 R)
• M6: 2,095,118 km (0.069 R)
• M7: 2,428,123 km (0.072 R)
• M8: 2,784,316 km (0.117 R)
• M9: 3,201,694 km (0.055 R)
• M10: 3,660,361 km (0.096 R)
• M11: 4,052,008 km (0.097 R)
• M12: 4,521,745 km (0.109 R)
• M13: 4,831,263 km (0.113 R)
• M14: 5,416,640 km (0.069 R)
• M15: 5,726,606 km (0.074 R)
• M16: 6,728,463 km (0.088 R)
• M17: 7,271,205 km (0.082 R)
• M18: 7,625,003 km (0.099 R)
• M19: 8,189,735 km (0.113 R)
• M20: 8,888,208 km (0.11 R)

Asteroid Belt

Center: 2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 14.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.42 AU - 3.26 AU

Year: 3246 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,423,855 km

• M1: 180,415 km (0.07 R)
• M2: 726,597 km (0.12 R)
• M3: 1,221,167 km (0.115 R)
• M4: 1,864,737 km (0.105 R)
• M5: 2,458,491 km (0.119 R)
• M6: 2,989,414 km (0.088 R)
• M7: 3,673,974 km (0.06 R)
• M8: 4,265,334 km (0.084 R)
• M9: 5,185,361 km (0.1 R)
• M10: 7,233,057 km (0.108 R)
• M11: 10,876,064 km (0.069 R)
• M12: 11,584,261 km (0.105 R)
• M13: 12,278,694 km (0.114 R)
• M14: 13,751,036 km (0.11 R)
• M15: 16,770,071 km (0.108 R)
• M16: 17,378,336 km (0.09 R)
• M17: 18,638,997 km (0.099 R)
• M18: 20,895,681 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 8.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.75 AU - 3.99 AU

Year: 5164 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 126.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,423,855 km

• M1: 100,679 km (0.104 R)
• M2: 452,234 km (0.07 R)
• M3: 783,893 km (0.07 R)
• M4: 1,113,906 km (0.043 R)
• M5: 1,618,200 km (0.08 R)
• M6: 2,754,097 km (0.034 R)
• M7: 3,448,829 km (0.06 R)
• M8: 3,826,714 km (0.082 R)
• M9: 4,397,280 km (0.116 R)
• M10: 4,665,658 km (0.115 R)
• M11: 4,919,227 km (0.116 R)
• M12: 5,182,070 km (0.078 R)
• M13: 6,390,073 km (0.096 R)
• M14: 6,767,359 km (0.099 R)
• M15: 8,353,096 km (0.109 R)
• M16: 8,842,880 km (0.116 R)
• M17: 11,309,599 km (0.116 R)
• M18: 11,909,187 km (0.087 R)
• M19: 12,578,339 km (0.088 R)
• M20: 15,284,564 km (0.056 R)
• M21: 17,130,153 km (0.096 R)
• M22: 18,545,199 km (0.073 R)
• M23: 19,378,609 km (0.059 R)
• M24: 20,573,447 km (0.106 R)
• M25: 21,816,605 km (0.059 R)
• M26: 22,963,124 km (0.066 R)
• M27: 23,551,193 km (0.088 R)
• M28: 25,065,273 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.1

Radius: 4.1

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.78 AU - 7.38 AU

Year: 10168 Days

Day: 17.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,423,855 km

• M1: 51,013 km (0.118 R)
• M2: 184,155 km (0.112 R)
• M3: 336,296 km (0.093 R)
• M4: 479,012 km (0.069 R)
• M5: 986,897 km (0.106 R)
• M6: 1,215,184 km (0.088 R)
• M7: 1,561,353 km (0.113 R)
• M8: 2,042,310 km (0.097 R)
• M9: 2,316,972 km (0.074 R)
• M10: 2,530,298 km (0.098 R)
• M11: 3,350,843 km (0.051 R)
• M12: 4,710,837 km (0.103 R)
• M13: 5,469,448 km (0.063 R)
• M14: 7,156,613 km (0.114 R)
• M15: 8,533,212 km (0.044 R)
• M16: 9,081,937 km (0.109 R)
• M17: 9,529,384 km (0.109 R)
• M18: 11,280,427 km (0.111 R)
• M19: 12,877,834 km (0.059 R)
• M20: 14,400,889 km (0.117 R)
• M21: 15,748,766 km (0.08 R)
• M22: 17,861,986 km (0.115 R)
• M23: 18,242,413 km (0.056 R)
• M24: 19,750,210 km (0.053 R)
• M25: 25,083,673 km (0.117 R)
• M26: 26,043,344 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.4

Radius: 8

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.38 AU - 6.66 AU

Year: 11292 Days

Day: 16.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,423,855 km

• M1: 101,128 km (0.043 R)
• M2: 401,221 km (0.08 R)
• M3: 909,555 km (0.093 R)
• M4: 1,412,952 km (0.025 R)
• M5: 1,950,307 km (0.038 R)
• M6: 2,534,038 km (0.091 R)
• M7: 3,061,969 km (0.079 R)
• M8: 3,932,928 km (0.112 R)
• M9: 5,293,221 km (0.09 R)
• M10: 5,713,292 km (0.112 R)
• M11: 6,423,583 km (0.065 R)
• M12: 7,489,169 km (0.113 R)
• M13: 11,332,487 km (0.108 R)
• M14: 12,030,810 km (0.065 R)
• M15: 13,194,532 km (0.117 R)
• M16: 14,566,045 km (0.116 R)
• M17: 15,182,090 km (0.063 R)
• M18: 20,157,715 km (0.097 R)
• M19: 24,557,388 km (0.064 R)
• M20: 25,724,999 km (0.027 R)
• M21: 26,725,959 km (0.117 R)
• M22: 31,439,788 km (0.064 R)
• M23: 31,894,116 km (0.106 R)
• M24: 36,930,778 km (0.105 R)
• M25: 38,461,762 km (0.117 R)
• M26: 39,901,791 km (0.092 R)
• M27: 41,106,503 km (0.103 R)
• M28: 41,377,425 km (0.092 R)
• M29: 46,168,296 km (0.069 R)
• M30: 47,198,577 km (0.091 R)
• M31: 48,244,117 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.2

Radius: 4.2

Gravity: 50.52 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.06 AU - 7.56 AU

Year: 13405 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,423,855 km

• M1: 55,202 km (0.088 R)
• M2: 398,828 km (0.103 R)
• M3: 553,213 km (0.088 R)
• M4: 1,033,572 km (0.095 R)
• M5: 1,289,534 km (0.095 R)
• M6: 1,602,492 km (0.082 R)
• M7: 2,039,019 km (0.081 R)
• M8: 2,357,363 km (0.084 R)
• M9: 2,920,150 km (0.042 R)
• M10: 3,350,992 km (0.117 R)
• M11: 3,881,167 km (0.107 R)
• M12: 4,029,568 km (0.034 R)
• M13: 5,729,449 km (0.067 R)
• M14: 8,734,571 km (0.099 R)
• M15: 9,731,491 km (0.082 R)
• M16: 10,398,698 km (0.054 R)
• M17: 11,275,192 km (0.067 R)
• M18: 12,010,764 km (0.091 R)
• M19: 12,199,706 km (0.117 R)
• M20: 14,198,184 km (0.073 R)
• M21: 17,029,773 km (0.108 R)
• M22: 19,601,360 km (0.12 R)
• M23: 20,304,769 km (0.03 R)
• M24: 22,136,446 km (0.084 R)
• M25: 24,983,742 km (0.095 R)
• M26: 27,955,653 km (0.107 R)
• M27: 31,036,472 km (0.104 R)
• M28: 31,750,502 km (0.065 R)
• M29: 39,503,711 km (0.081 R)
• M30: 47,637,647 km (0.09 R)
• M31: 52,344,295 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.5

Radius: 4.8

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.86 AU - 11.96 AU

Year: 22781 Days

Day: 18.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,423,855 km

• M1: 61,186 km (0.071 R)
• M2: 1,127,370 km (0.088 R)
• M3: 2,041,712 km (0.079 R)
• M4: 2,372,473 km (0.107 R)
• M5: 2,561,564 km (0.096 R)
• M6: 3,266,021 km (0.098 R)
• M7: 6,105,837 km (0.06 R)
• M8: 10,880,852 km (0.112 R)
• M9: 12,946,499 km (0.048 R)
• M10: 13,868,321 km (0.041 R)
• M11: 15,768,064 km (0.06 R)
• M12: 17,517,462 km (0.115 R)
• M13: 24,507,722 km (0.096 R)
• M14: 25,506,736 km (0.041 R)
• M15: 32,314,486 km (0.095 R)
• M16: 36,516,691 km (0.105 R)
• M17: 37,033,850 km (0.092 R)
• M18: 39,692,803 km (0.051 R)
• M19: 48,428,421 km (0.104 R)
• M20: 53,738,547 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 11,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit