🌌 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: 784.6

Radius: 9.7

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 5.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,974,518 km

• M1: 120,576 km (0.03 R)
• M2: 449,990 km (0.076 R)
• M3: 779,854 km (0.092 R)
• M4: 1,226,553 km (0.091 R)
• M5: 1,587,832 km (0.099 R)
• M6: 2,004,163 km (0.104 R)
• M7: 2,549,447 km (0.055 R)
• M8: 3,015,743 km (0.083 R)
• M9: 3,683,997 km (0.115 R)
• M10: 4,336,842 km (0.063 R)
• M11: 4,958,122 km (0.096 R)
• M12: 5,572,072 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77

Radius: 8.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.73 AU - 2.07 AU

Year: 1776 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,974,518 km

• M1: 103,522 km (0.062 R)
• M2: 445,054 km (0.081 R)
• M3: 795,561 km (0.11 R)
• M4: 1,523,954 km (0.066 R)
• M5: 2,639,206 km (0.072 R)
• M6: 3,071,244 km (0.109 R)
• M7: 4,223,896 km (0.08 R)
• M8: 4,914,589 km (0.097 R)
• M9: 6,559,268 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 14.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.99 AU - 3.03 AU

Year: 2697 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,974,518 km

• M1: 185,651 km (0.097 R)
• M2: 837,598 km (0.107 R)
• M3: 1,447,808 km (0.12 R)
• M4: 2,687,376 km (0.109 R)
• M5: 3,333,789 km (0.104 R)
• M6: 3,985,886 km (0.106 R)
• M7: 5,009,883 km (0.043 R)
• M8: 5,919,737 km (0.1 R)
• M9: 6,797,129 km (0.073 R)
• M10: 7,458,950 km (0.115 R)
• M11: 8,258,401 km (0.099 R)
• M12: 9,459,223 km (0.025 R)
• M13: 10,359,503 km (0.059 R)
• M14: 11,159,403 km (0.1 R)
• M15: 12,415,127 km (0.098 R)
• M16: 13,583,935 km (0.117 R)
• M17: 17,007,632 km (0.066 R)
• M18: 17,532,122 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 11.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.15 AU - 4.09 AU

Year: 4671 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,974,518 km

• M1: 143,016 km (0.09 R)
• M2: 628,311 km (0.111 R)
• M3: 1,047,634 km (0.1 R)
• M4: 1,854,714 km (0.03 R)
• M5: 2,411,368 km (0.116 R)
• M6: 2,848,792 km (0.063 R)
• M7: 3,318,380 km (0.06 R)
• M8: 3,726,483 km (0.101 R)
• M9: 4,776,062 km (0.105 R)
• M10: 5,298,457 km (0.099 R)
• M11: 7,524,175 km (0.094 R)
• M12: 8,544,731 km (0.093 R)
• M13: 9,442,767 km (0.115 R)
• M14: 15,016,185 km (0.113 R)
• M15: 15,719,744 km (0.065 R)
• M16: 17,066,424 km (0.12 R)
• M17: 19,296,779 km (0.082 R)
• M18: 20,269,315 km (0.12 R)
• M19: 21,056,199 km (0.073 R)
• M20: 22,843,595 km (0.112 R)
• M21: 24,649,391 km (0.055 R)
• M22: 25,381,373 km (0.073 R)
• M23: 25,960,466 km (0.103 R)
• M24: 26,548,536 km (0.064 R)
• M25: 31,959,042 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.8

Radius: 7

Gravity: 18.87 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.46 AU - 7.22 AU

Year: 9572 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,974,518 km

• M1: 87,814 km (0.084 R)
• M2: 467,942 km (0.038 R)
• M3: 938,876 km (0.086 R)
• M4: 1,167,013 km (0.099 R)
• M5: 1,573,321 km (0.063 R)
• M6: 2,483,624 km (0.099 R)
• M7: 3,181,199 km (0.117 R)
• M8: 3,399,312 km (0.093 R)
• M9: 4,058,291 km (0.075 R)
• M10: 4,613,598 km (0.103 R)
• M11: 5,803,500 km (0.077 R)
• M12: 6,242,121 km (0.096 R)
• M13: 6,469,510 km (0.069 R)
• M14: 8,086,064 km (0.07 R)
• M15: 9,059,797 km (0.082 R)
• M16: 9,550,029 km (0.113 R)
• M17: 9,903,529 km (0.095 R)
• M18: 14,521,914 km (0.099 R)
• M19: 18,627,927 km (0.096 R)
• M20: 19,420,197 km (0.072 R)
• M21: 20,734,265 km (0.108 R)
• M22: 22,106,377 km (0.084 R)
• M23: 22,547,391 km (0.101 R)
• M24: 27,690,416 km (0.101 R)
• M25: 30,969,901 km (0.089 R)
• M26: 39,437,888 km (0.094 R)
• M27: 41,139,115 km (0.052 R)
• M28: 47,697,785 km (0.112 R)
• M29: 49,778,243 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.6

Radius: 4.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.48 AU - 6.94 AU

Year: 11789 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 80.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,974,518 km

• M1: 61,634 km (0.096 R)
• M2: 400,623 km (0.09 R)
• M3: 562,638 km (0.085 R)
• M4: 722,857 km (0.117 R)
• M5: 1,410,259 km (0.034 R)
• M6: 3,161,302 km (0.081 R)
• M7: 3,499,842 km (0.11 R)
• M8: 3,820,879 km (0.045 R)
• M9: 4,567,971 km (0.113 R)
• M10: 6,463,376 km (0.074 R)
• M11: 6,792,940 km (0.035 R)
• M12: 7,616,327 km (0.102 R)
• M13: 8,790,969 km (0.074 R)
• M14: 9,728,200 km (0.053 R)
• M15: 10,524,659 km (0.091 R)
• M16: 11,234,950 km (0.089 R)
• M17: 13,557,457 km (0.082 R)
• M18: 15,964,038 km (0.112 R)
• M19: 18,402,333 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.5

Radius: 4.8

Gravity: 22.59 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.29 AU - 8.69 AU

Year: 15318 Days

Day: 20 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,974,518 km

• M1: 60,138 km (0.042 R)
• M2: 439,369 km (0.096 R)
• M3: 661,223 km (0.117 R)
• M4: 1,446,761 km (0.098 R)
• M5: 2,165,429 km (0.118 R)
• M6: 2,382,346 km (0.091 R)
• M7: 3,245,825 km (0.068 R)
• M8: 4,773,518 km (0.034 R)
• M9: 5,785,398 km (0.085 R)
• M10: 6,126,631 km (0.107 R)
• M11: 6,481,029 km (0.036 R)
• M12: 6,932,814 km (0.111 R)
• M13: 8,176,870 km (0.101 R)
• M14: 9,407,313 km (0.069 R)
• M15: 12,538,845 km (0.098 R)
• M16: 13,369,113 km (0.083 R)
• M17: 13,697,929 km (0.11 R)
• M18: 15,280,824 km (0.109 R)
• M19: 15,712,863 km (0.072 R)
• M20: 18,559,561 km (0.115 R)
• M21: 22,095,007 km (0.11 R)
• M22: 22,462,270 km (0.047 R)
• M23: 23,303,459 km (0.056 R)
• M24: 23,684,036 km (0.101 R)
• M25: 24,068,652 km (0.095 R)
• M26: 25,048,518 km (0.071 R)
• M27: 31,607,936 km (0.062 R)
• M28: 39,493,688 km (0.064 R)
• M29: 40,170,469 km (0.027 R)
• M30: 40,992,809 km (0.12 R)
• M31: 43,383,532 km (0.113 R)
• M32: 55,888,269 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.1

Radius: 7.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.11 AU - 10.31 AU

Year: 18957 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,974,518 km

• M1: 95,892 km (0.118 R)
• M2: 385,514 km (0.092 R)
• M3: 1,055,563 km (0.091 R)
• M4: 1,346,530 km (0.114 R)
• M5: 2,782,221 km (0.118 R)
• M6: 6,902,745 km (0.105 R)
• M7: 12,468,384 km (0.103 R)
• M8: 15,549,951 km (0.112 R)
• M9: 17,447,899 km (0.109 R)
• M10: 33,057,539 km (0.098 R)
• M11: 39,609,178 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 16,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit