🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.8

Radius: 14.9

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.97 AU - 1.45 AU

Year: 936 Days

Day: 9.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,949,060 km

• M1: 185,352 km (0.096 R)
• M2: 695,481 km (0.113 R)
• M3: 1,444,068 km (0.06 R)
• M4: 2,865,547 km (0.119 R)
• M5: 3,627,898 km (0.057 R)
• M6: 4,096,139 km (0.094 R)
• M7: 4,789,525 km (0.075 R)
• M8: 5,541,554 km (0.083 R)
• M9: 6,881,951 km (0.099 R)
• M10: 8,009,919 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 8.6

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.12 AU - 1.7 AU

Year: 1177 Days

Day: 14.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,949,060 km

• M1: 106,962 km (0.091 R)
• M2: 926,908 km (0.032 R)
• M3: 1,227,600 km (0.084 R)
• M4: 1,621,043 km (0.092 R)
• M5: 1,939,088 km (0.047 R)
• M6: 4,118,280 km (0.099 R)
• M7: 4,547,775 km (0.063 R)
• M8: 4,986,995 km (0.107 R)
• M9: 6,062,603 km (0.12 R)
• M10: 8,984,399 km (0.109 R)
• M11: 9,676,888 km (0.107 R)
• M12: 10,999,333 km (0.113 R)
• M13: 11,546,712 km (0.075 R)
• M14: 11,897,967 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.57 AU - 1.91 AU

Year: 1613 Days

Day: 9.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,949,060 km

• M1: 101,427 km (0.087 R)
• M2: 554,559 km (0.057 R)
• M3: 984,055 km (0.06 R)
• M4: 1,393,953 km (0.096 R)
• M5: 1,688,511 km (0.081 R)
• M6: 2,568,745 km (0.08 R)
• M7: 3,016,043 km (0.12 R)
• M8: 3,311,199 km (0.103 R)
• M9: 3,900,764 km (0.078 R)
• M10: 4,591,159 km (0.072 R)
• M11: 5,250,885 km (0.077 R)
• M12: 5,718,379 km (0.111 R)
• M13: 6,295,228 km (0.108 R)
• M14: 6,608,336 km (0.059 R)
• M15: 7,564,267 km (0.067 R)
• M16: 8,458,264 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.3

Radius: 8.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.54 AU - 4.86 AU

Year: 7162 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,949,060 km

• M1: 105,915 km (0.054 R)
• M2: 554,260 km (0.1 R)
• M3: 824,284 km (0.11 R)
• M4: 1,185,264 km (0.088 R)
• M5: 1,778,270 km (0.063 R)
• M6: 3,296,090 km (0.108 R)
• M7: 4,537,752 km (0.056 R)
• M8: 5,677,090 km (0.106 R)
• M9: 6,157,748 km (0.072 R)
• M10: 7,620,516 km (0.083 R)
• M11: 8,703,305 km (0.088 R)
• M12: 10,185,820 km (0.092 R)
• M13: 11,032,843 km (0.116 R)
• M14: 12,120,120 km (0.113 R)
• M15: 14,070,428 km (0.096 R)
• M16: 14,616,610 km (0.101 R)
• M17: 15,809,503 km (0.115 R)
• M18: 23,362,400 km (0.078 R)
• M19: 25,629,257 km (0.103 R)
• M20: 27,275,432 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.7

Radius: 6.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.29 AU - 7.29 AU

Year: 13836 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,949,060 km

• M1: 86,767 km (0.085 R)
• M2: 348,563 km (0.113 R)
• M3: 1,358,349 km (0.092 R)
• M4: 1,716,935 km (0.106 R)
• M5: 2,435,753 km (0.109 R)
• M6: 3,995,011 km (0.114 R)
• M7: 4,561,688 km (0.118 R)
• M8: 6,548,348 km (0.066 R)
• M9: 6,915,461 km (0.109 R)
• M10: 8,141,415 km (0.028 R)
• M11: 9,050,073 km (0.092 R)
• M12: 9,786,394 km (0.106 R)
• M13: 11,641,557 km (0.076 R)
• M14: 12,623,816 km (0.079 R)
• M15: 13,308,526 km (0.1 R)
• M16: 13,719,322 km (0.052 R)
• M17: 14,078,057 km (0.052 R)
• M18: 16,430,334 km (0.063 R)
• M19: 16,767,079 km (0.098 R)
• M20: 17,039,796 km (0.1 R)
• M21: 18,017,568 km (0.118 R)
• M22: 22,469,451 km (0.093 R)
• M23: 22,801,109 km (0.085 R)
• M24: 23,051,985 km (0.105 R)
• M25: 24,859,725 km (0.089 R)
• M26: 31,154,056 km (0.076 R)
• M27: 31,773,989 km (0.116 R)
• M28: 33,467,437 km (0.039 R)
• M29: 36,346,149 km (0.097 R)
• M30: 37,728,882 km (0.045 R)
• M31: 38,788,634 km (0.092 R)
• M32: 40,232,253 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.5

Radius: 5.1

Gravity: 23.59 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.6 AU - 8.94 AU

Year: 18256 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,949,060 km

• M1: 75,547 km (0.077 R)
• M2: 260,899 km (0.088 R)
• M3: 452,234 km (0.107 R)
• M4: 720,463 km (0.117 R)
• M5: 1,102,536 km (0.107 R)
• M6: 1,303,446 km (0.074 R)
• M7: 1,906,625 km (0.119 R)
• M8: 2,157,650 km (0.057 R)
• M9: 2,408,675 km (0.105 R)
• M10: 2,870,334 km (0.101 R)
• M11: 3,527,817 km (0.118 R)
• M12: 4,410,444 km (0.116 R)
• M13: 5,545,593 km (0.108 R)
• M14: 8,027,422 km (0.103 R)
• M15: 10,504,164 km (0.049 R)
• M16: 11,286,860 km (0.069 R)
• M17: 12,698,914 km (0.086 R)
• M18: 21,648,607 km (0.114 R)
• M19: 27,666,032 km (0.08 R)
• M20: 28,231,661 km (0.12 R)
• M21: 28,459,948 km (0.102 R)
• M22: 29,269,123 km (0.103 R)
• M23: 29,503,094 km (0.111 R)
• M24: 30,331,716 km (0.119 R)
• M25: 33,930,592 km (0.09 R)
• M26: 38,922,075 km (0.033 R)
• M27: 39,775,082 km (0.105 R)
• M28: 42,110,454 km (0.09 R)
• M29: 44,690,270 km (0.048 R)
• M30: 52,195,146 km (0.052 R)
• M31: 57,151,323 km (0.081 R)
• M32: 57,333,982 km (0.082 R)
• M33: 59,181,217 km (0.101 R)
• M34: 61,833,587 km (0.044 R)
• M35: 62,412,082 km (0.106 R)
• M36: 63,188,944 km (0.074 R)
• M37: 64,762,115 km (0.106 R)
• M38: 66,159,808 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.9

Radius: 5.3

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.57 AU - 10.83 AU

Year: 21236 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,949,060 km

• M1: 79,885 km (0.112 R)
• M2: 804,986 km (0.103 R)
• M3: 1,020,108 km (0.11 R)
• M4: 1,342,940 km (0.062 R)
• M5: 1,888,823 km (0.117 R)
• M6: 2,211,954 km (0.117 R)
• M7: 2,616,018 km (0.117 R)
• M8: 3,325,860 km (0.117 R)
• M9: 6,631,674 km (0.109 R)
• M10: 9,401,179 km (0.12 R)
• M11: 10,113,265 km (0.048 R)
• M12: 10,919,897 km (0.111 R)
• M13: 13,664,419 km (0.114 R)
• M14: 21,659,827 km (0.11 R)
• M15: 22,704,469 km (0.074 R)
• M16: 35,971,406 km (0.052 R)
• M17: 37,299,536 km (0.088 R)
• M18: 41,479,301 km (0.077 R)
• M19: 44,887,589 km (0.055 R)
• M20: 50,425,104 km (0.118 R)
• M21: 60,388,621 km (0.042 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 16,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit