🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.1

Radius: 14.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.71 AU - 0.97 AU

Year: 505 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,446,512 km

• M1: 186,100 km (0.109 R)
• M2: 731,384 km (0.073 R)
• M3: 1,407,716 km (0.098 R)
• M4: 1,948,213 km (0.082 R)
• M5: 2,446,524 km (0.102 R)
• M6: 4,154,183 km (0.068 R)
• M7: 4,934,935 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.9

Radius: 9.1

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.18 AU - 1.56 AU

Year: 1052 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,446,512 km

• M1: 113,395 km (0.11 R)
• M2: 429,795 km (0.119 R)
• M3: 734,226 km (0.116 R)
• M4: 1,044,792 km (0.083 R)
• M5: 2,181,137 km (0.101 R)
• M6: 2,672,267 km (0.114 R)
• M7: 3,339,324 km (0.075 R)
• M8: 3,728,577 km (0.058 R)
• M9: 4,165,254 km (0.117 R)
• M10: 4,617,189 km (0.113 R)
• M11: 5,325,086 km (0.108 R)
• M12: 5,619,195 km (0.092 R)
• M13: 7,005,369 km (0.067 R)
• M14: 7,359,168 km (0.095 R)
• M15: 8,130,195 km (0.094 R)
• M16: 9,926,417 km (0.115 R)
• M17: 10,340,953 km (0.081 R)
• M18: 11,035,087 km (0.081 R)
• M19: 11,619,566 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 12.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.34 AU - 2.38 AU

Year: 2378 Days

Day: 5.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,446,512 km

• M1: 152,440 km (0.075 R)
• M2: 556,803 km (0.096 R)
• M3: 1,413,849 km (0.071 R)
• M4: 1,991,746 km (0.084 R)
• M5: 3,485,182 km (0.082 R)
• M6: 5,325,535 km (0.081 R)
• M7: 8,324,972 km (0.118 R)
• M8: 9,116,345 km (0.087 R)
• M9: 10,118,501 km (0.072 R)
• M10: 11,088,793 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.7

Radius: 8.2

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.79 AU - 4.23 AU

Year: 4314 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,446,512 km

• M1: 102,026 km (0.104 R)
• M2: 384,467 km (0.112 R)
• M3: 1,817,764 km (0.097 R)
• M4: 2,329,538 km (0.063 R)
• M5: 2,787,308 km (0.046 R)
• M6: 3,882,813 km (0.091 R)
• M7: 5,186,558 km (0.078 R)
• M8: 5,524,799 km (0.102 R)
• M9: 6,339,958 km (0.052 R)
• M10: 9,514,125 km (0.032 R)
• M11: 11,465,031 km (0.088 R)
• M12: 12,236,208 km (0.071 R)
• M13: 12,584,322 km (0.112 R)
• M14: 13,828,229 km (0.11 R)
• M15: 14,260,567 km (0.118 R)
• M16: 20,037,588 km (0.029 R)
• M17: 20,661,261 km (0.106 R)
• M18: 24,364,108 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.7

Radius: 6.6

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.99 AU - 6.45 AU

Year: 10176 Days

Day: 17.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,446,512 km

• M1: 101,727 km (0.078 R)
• M2: 462,856 km (0.054 R)
• M3: 1,016,966 km (0.073 R)
• M4: 1,428,809 km (0.098 R)
• M5: 3,440,153 km (0.118 R)
• M6: 6,551,190 km (0.11 R)
• M7: 7,679,457 km (0.106 R)
• M8: 11,728,623 km (0.039 R)
• M9: 13,267,536 km (0.085 R)
• M10: 14,445,769 km (0.105 R)
• M11: 14,998,234 km (0.081 R)
• M12: 18,973,797 km (0.089 R)
• M13: 25,678,624 km (0.078 R)
• M14: 26,579,802 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.2

Radius: 4.1

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.09 AU - 8.71 AU

Year: 13206 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,446,512 km

• M1: 51,162 km (0.112 R)
• M2: 207,791 km (0.099 R)
• M3: 394,938 km (0.119 R)
• M4: 707,149 km (0.1 R)
• M5: 1,178,233 km (0.043 R)
• M6: 1,403,826 km (0.087 R)
• M7: 3,893,135 km (0.108 R)
• M8: 4,731,182 km (0.079 R)
• M9: 5,394,499 km (0.057 R)
• M10: 6,502,720 km (0.107 R)
• M11: 7,398,213 km (0.112 R)
• M12: 8,891,200 km (0.097 R)
• M13: 9,430,500 km (0.087 R)
• M14: 13,018,156 km (0.092 R)
• M15: 16,738,655 km (0.071 R)
• M16: 17,698,475 km (0.063 R)
• M17: 19,502,775 km (0.113 R)
• M18: 28,424,643 km (0.12 R)
• M19: 29,886,812 km (0.097 R)
• M20: 31,296,174 km (0.1 R)
• M21: 34,246,693 km (0.076 R)
• M22: 38,072,060 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.1

Radius: 4.4

Gravity: 50.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.73 AU - 8.87 AU

Year: 17125 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 57,446,512 km

• M1: 64,327 km (0.069 R)
• M2: 223,948 km (0.077 R)
• M3: 453,581 km (0.101 R)
• M4: 608,564 km (0.116 R)
• M5: 967,898 km (0.102 R)
• M6: 1,287,738 km (0.034 R)
• M7: 2,417,352 km (0.117 R)
• M8: 3,246,124 km (0.058 R)
• M9: 3,894,481 km (0.058 R)
• M10: 4,117,681 km (0.078 R)
• M11: 4,417,326 km (0.111 R)
• M12: 4,767,086 km (0.109 R)
• M13: 7,312,194 km (0.065 R)
• M14: 11,331,590 km (0.117 R)
• M15: 12,458,361 km (0.12 R)
• M16: 12,734,070 km (0.082 R)
• M17: 12,873,346 km (0.114 R)
• M18: 13,155,038 km (0.119 R)
• M19: 14,024,950 km (0.103 R)
• M20: 14,398,496 km (0.106 R)
• M21: 14,778,624 km (0.058 R)
• M22: 15,009,902 km (0.115 R)
• M23: 15,321,964 km (0.116 R)
• M24: 16,121,115 km (0.094 R)
• M25: 16,448,435 km (0.114 R)
• M26: 19,046,053 km (0.086 R)
• M27: 23,540,123 km (0.036 R)
• M28: 25,145,756 km (0.112 R)
• M29: 25,808,026 km (0.079 R)
• M30: 27,514,190 km (0.112 R)
• M31: 30,897,795 km (0.103 R)
• M32: 34,413,195 km (0.102 R)
• M33: 34,683,818 km (0.077 R)
• M34: 37,610,700 km (0.091 R)
• M35: 38,621,682 km (0.025 R)
• M36: 40,697,951 km (0.04 R)
• M37: 43,633,061 km (0.084 R)
• M38: 44,749,061 km (0.076 R)
• M39: 45,395,175 km (0.106 R)
• M40: 47,371,063 km (0.059 R)
• M41: 48,719,688 km (0.052 R)
• M42: 57,923,697 km (0.104 R)
• M43: 75,722,852 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.3

Radius: 7.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.22 AU - 13.16 AU

Year: 22929 Days

Day: 17 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,446,512 km

• M1: 98,286 km (0.118 R)
• M2: 497,862 km (0.083 R)
• M3: 861,684 km (0.063 R)
• M4: 1,397,992 km (0.114 R)
• M5: 1,790,238 km (0.103 R)
• M6: 2,215,844 km (0.104 R)
• M7: 4,408,051 km (0.055 R)
• M8: 4,818,697 km (0.077 R)
• M9: 6,804,010 km (0.035 R)
• M10: 9,639,638 km (0.119 R)
• M11: 14,851,628 km (0.094 R)
• M12: 16,585,617 km (0.117 R)
• M13: 22,224,858 km (0.118 R)
• M14: 24,195,361 km (0.118 R)
• M15: 25,472,029 km (0.07 R)
• M16: 37,862,323 km (0.088 R)
• M17: 38,385,467 km (0.109 R)
• M18: 38,781,154 km (0.113 R)
• M19: 43,599,851 km (0.097 R)
• M20: 43,886,630 km (0.094 R)
• M21: 53,579,824 km (0.083 R)
• M22: 55,406,713 km (0.045 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: 289 - 19,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit