🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.7

Radius: 11.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.6 AU - 0.92 AU

Year: 442 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,016,985 km

• M1: 146,756 km (0.081 R)
• M2: 519,553 km (0.06 R)
• M3: 1,073,814 km (0.037 R)
• M4: 1,448,706 km (0.103 R)
• M5: 2,211,655 km (0.1 R)
• M6: 2,737,192 km (0.057 R)
• M7: 3,158,460 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.7

Radius: 12.8

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.89 AU - 1.15 AU

Year: 687 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,016,985 km

• M1: 159,172 km (0.092 R)
• M2: 877,691 km (0.091 R)
• M3: 1,287,888 km (0.077 R)
• M4: 2,374,118 km (0.071 R)
• M5: 2,818,873 km (0.12 R)
• M6: 3,563,870 km (0.115 R)
• M7: 3,968,532 km (0.077 R)
• M8: 4,468,937 km (0.033 R)
• M9: 4,923,715 km (0.108 R)
• M10: 5,540,507 km (0.09 R)
• M11: 6,086,689 km (0.085 R)
• M12: 6,498,532 km (0.045 R)
• M13: 6,995,496 km (0.076 R)
• M14: 7,587,604 km (0.111 R)
• M15: 7,992,715 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 10.7

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.82 AU - 3.9 AU

Year: 4107 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,016,985 km

• M1: 133,441 km (0.074 R)
• M2: 875,896 km (0.118 R)
• M3: 1,368,970 km (0.094 R)
• M4: 2,174,405 km (0.054 R)
• M5: 2,744,523 km (0.096 R)
• M6: 4,625,417 km (0.029 R)
• M7: 5,746,204 km (0.112 R)
• M8: 7,347,499 km (0.114 R)
• M9: 7,736,454 km (0.068 R)
• M10: 8,828,219 km (0.106 R)
• M11: 9,187,254 km (0.094 R)
• M12: 9,680,927 km (0.066 R)
• M13: 10,105,935 km (0.074 R)
• M14: 11,409,082 km (0.111 R)
• M15: 12,470,030 km (0.105 R)
• M16: 12,973,576 km (0.083 R)
• M17: 15,351,883 km (0.075 R)
• M18: 16,344,016 km (0.088 R)
• M19: 17,131,350 km (0.062 R)
• M20: 20,674,127 km (0.063 R)
• M21: 21,166,453 km (0.084 R)
• M22: 21,738,815 km (0.097 R)
• M23: 22,914,355 km (0.025 R)
• M24: 25,152,339 km (0.104 R)
• M25: 27,701,786 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.2

Radius: 4.6

Gravity: 18.02 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.63 AU - 7.83 AU

Year: 14332 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,016,985 km

• M1: 57,146 km (0.096 R)
• M2: 290,369 km (0.092 R)
• M3: 723,605 km (0.076 R)
• M4: 978,370 km (0.09 R)
• M5: 1,534,126 km (0.106 R)
• M6: 3,285,169 km (0.04 R)
• M7: 4,292,561 km (0.047 R)
• M8: 4,468,488 km (0.119 R)
• M9: 4,649,352 km (0.046 R)
• M10: 6,619,855 km (0.069 R)
• M11: 6,894,966 km (0.119 R)
• M12: 9,824,541 km (0.117 R)
• M13: 9,976,832 km (0.079 R)
• M14: 12,278,844 km (0.099 R)
• M15: 15,936,960 km (0.107 R)
• M16: 19,691,867 km (0.1 R)
• M17: 21,430,643 km (0.071 R)
• M18: 21,945,708 km (0.11 R)
• M19: 24,088,399 km (0.113 R)
• M20: 24,551,703 km (0.061 R)
• M21: 25,496,115 km (0.081 R)
• M22: 29,306,073 km (0.105 R)
• M23: 30,691,948 km (0.097 R)
• M24: 31,898,156 km (0.12 R)
• M25: 32,682,048 km (0.117 R)
• M26: 36,550,949 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.6

Radius: 6.1

Gravity: 24.15 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.88 AU - 9.74 AU

Year: 17438 Days

Day: 19.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,016,985 km

• M1: 79,436 km (0.12 R)
• M2: 284,236 km (0.108 R)
• M3: 906,713 km (0.116 R)
• M4: 1,262,456 km (0.115 R)
• M5: 1,505,254 km (0.073 R)
• M6: 1,986,061 km (0.097 R)
• M7: 2,731,208 km (0.106 R)
• M8: 3,276,343 km (0.07 R)
• M9: 3,560,280 km (0.099 R)
• M10: 7,042,469 km (0.108 R)
• M11: 7,419,755 km (0.105 R)
• M12: 9,231,086 km (0.115 R)
• M13: 11,002,325 km (0.096 R)
• M14: 13,556,110 km (0.091 R)
• M15: 15,752,357 km (0.044 R)
• M16: 16,153,578 km (0.095 R)
• M17: 17,913,747 km (0.099 R)
• M18: 19,155,708 km (0.052 R)
• M19: 19,797,782 km (0.11 R)
• M20: 23,019,073 km (0.103 R)
• M21: 25,350,556 km (0.05 R)
• M22: 28,421,351 km (0.095 R)
• M23: 30,725,159 km (0.116 R)
• M24: 31,858,662 km (0.062 R)
• M25: 32,242,679 km (0.031 R)
• M26: 39,104,584 km (0.074 R)
• M27: 39,544,851 km (0.057 R)
• M28: 44,926,933 km (0.099 R)
• M29: 47,209,946 km (0.092 R)
• M30: 49,568,955 km (0.101 R)
• M31: 61,161,145 km (0.098 R)
• M32: 69,601,457 km (0.082 R)
• M33: 73,095,315 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.5

Radius: 3.4

Gravity: 70.54 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.73 AU - 9.99 AU

Year: 17587 Days

Day: 16.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,016,985 km

• M1: 42,336 km (0.119 R)
• M2: 254,167 km (0.091 R)
• M3: 698,472 km (0.081 R)
• M4: 873,652 km (0.088 R)
• M5: 1,772,884 km (0.095 R)
• M6: 2,848,343 km (0.117 R)
• M7: 3,881,167 km (0.111 R)
• M8: 4,037,647 km (0.109 R)
• M9: 4,363,171 km (0.059 R)
• M10: 5,178,031 km (0.119 R)
• M11: 6,006,205 km (0.044 R)
• M12: 6,430,016 km (0.083 R)
• M13: 7,102,757 km (0.108 R)
• M14: 8,960,164 km (0.064 R)
• M15: 9,068,922 km (0.038 R)
• M16: 9,233,779 km (0.116 R)
• M17: 10,383,887 km (0.096 R)
• M18: 10,869,482 km (0.042 R)
• M19: 14,550,487 km (0.111 R)
• M20: 15,624,600 km (0.079 R)
• M21: 17,587,324 km (0.114 R)
• M22: 19,072,981 km (0.077 R)
• M23: 21,213,128 km (0.059 R)
• M24: 23,097,612 km (0.064 R)
• M25: 29,535,108 km (0.034 R)
• M26: 31,125,632 km (0.063 R)
• M27: 33,420,912 km (0.083 R)
• M28: 38,202,060 km (0.043 R)
• M29: 38,488,241 km (0.109 R)
• M30: 39,064,941 km (0.053 R)
• M31: 39,793,931 km (0.041 R)
• M32: 46,440,864 km (0.089 R)
• M33: 56,340,652 km (0.054 R)
• M34: 56,897,456 km (0.097 R)
• M35: 57,270,702 km (0.094 R)
• M36: 58,400,166 km (0.119 R)
• M37: 61,093,078 km (0.119 R)
• M38: 69,453,803 km (0.073 R)
• M39: 71,169,242 km (0.1 R)
• M40: 73,353,222 km (0.108 R)
• M41: 73,795,283 km (0.065 R)
• M42: 74,016,987 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 16,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit