🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 12.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.86 AU - 1.24 AU

Year: 695 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,138,430 km

• M1: 157,975 km (0.089 R)
• M2: 644,318 km (0.061 R)
• M3: 1,825,692 km (0.12 R)
• M4: 3,265,572 km (0.101 R)
• M5: 3,957,761 km (0.086 R)
• M6: 4,970,240 km (0.099 R)
• M7: 5,652,855 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 13.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.91 AU - 1.31 AU

Year: 755 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,138,430 km

• M1: 166,652 km (0.049 R)
• M2: 652,396 km (0.089 R)
• M3: 1,203,066 km (0.095 R)
• M4: 1,809,985 km (0.083 R)
• M5: 3,065,410 km (0.108 R)
• M6: 3,529,014 km (0.114 R)
• M7: 4,133,988 km (0.076 R)
• M8: 4,628,857 km (0.069 R)
• M9: 5,178,929 km (0.072 R)
• M10: 5,619,943 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.6

Radius: 14.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.44 AU - 4 AU

Year: 4633 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,138,430 km

• M1: 182,809 km (0.114 R)
• M2: 698,772 km (0.077 R)
• M3: 1,192,893 km (0.087 R)
• M4: 2,253,542 km (0.105 R)
• M5: 2,926,882 km (0.118 R)
• M6: 4,111,697 km (0.043 R)
• M7: 4,753,772 km (0.066 R)
• M8: 6,010,992 km (0.073 R)
• M9: 8,693,581 km (0.054 R)
• M10: 9,214,481 km (0.09 R)
• M11: 11,422,545 km (0.092 R)
• M12: 13,516,317 km (0.102 R)
• M13: 14,994,643 km (0.106 R)
• M14: 16,130,839 km (0.074 R)
• M15: 19,567,252 km (0.116 R)
• M16: 20,399,614 km (0.098 R)
• M17: 21,523,842 km (0.102 R)
• M18: 24,698,908 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.2

Radius: 14.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.36 AU - 5.6 AU

Year: 6123 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,138,430 km

• M1: 181,612 km (0.053 R)
• M2: 660,923 km (0.039 R)
• M3: 1,120,189 km (0.075 R)
• M4: 1,696,440 km (0.097 R)
• M5: 2,167,075 km (0.092 R)
• M6: 2,900,852 km (0.117 R)
• M7: 4,348,810 km (0.117 R)
• M8: 6,686,127 km (0.052 R)
• M9: 8,580,335 km (0.075 R)
• M10: 11,309,599 km (0.076 R)
• M11: 12,624,714 km (0.057 R)
• M12: 13,347,720 km (0.111 R)
• M13: 14,394,457 km (0.088 R)
• M14: 17,049,071 km (0.106 R)
• M15: 18,562,852 km (0.118 R)
• M16: 24,145,096 km (0.114 R)
• M17: 24,999,899 km (0.119 R)
• M18: 25,874,747 km (0.08 R)
• M19: 26,769,941 km (0.117 R)
• M20: 28,338,923 km (0.104 R)
• M21: 28,907,096 km (0.062 R)
• M22: 30,164,316 km (0.108 R)
• M23: 34,582,989 km (0.107 R)
• M24: 35,450,207 km (0.103 R)
• M25: 38,484,501 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.9

Radius: 14.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.75 AU - 5.67 AU

Year: 6600 Days

Day: 7.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,138,430 km

• M1: 188,344 km (0.118 R)
• M2: 905,217 km (0.096 R)
• M3: 1,793,529 km (0.108 R)
• M4: 2,455,799 km (0.089 R)
• M5: 4,305,427 km (0.117 R)
• M6: 4,823,484 km (0.102 R)
• M7: 5,663,327 km (0.057 R)
• M8: 6,152,362 km (0.084 R)
• M9: 6,920,697 km (0.047 R)
• M10: 7,910,735 km (0.119 R)
• M11: 8,440,162 km (0.096 R)
• M12: 9,300,948 km (0.045 R)
• M13: 10,078,109 km (0.06 R)
• M14: 11,147,734 km (0.071 R)
• M15: 15,368,638 km (0.108 R)
• M16: 17,457,324 km (0.085 R)
• M17: 17,938,430 km (0.113 R)
• M18: 18,570,032 km (0.105 R)
• M19: 19,729,266 km (0.088 R)
• M20: 22,112,211 km (0.091 R)
• M21: 23,915,912 km (0.11 R)
• M22: 28,566,611 km (0.117 R)
• M23: 30,505,549 km (0.068 R)
• M24: 31,003,710 km (0.089 R)
• M25: 32,842,118 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 11.5

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.53 AU - 5.03 AU

Year: 6748 Days

Day: 5.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,138,430 km

• M1: 143,165 km (0.072 R)
• M2: 549,772 km (0.09 R)
• M3: 1,120,638 km (0.047 R)
• M4: 1,640,789 km (0.119 R)
• M5: 2,100,653 km (0.113 R)
• M6: 2,646,237 km (0.111 R)
• M7: 4,205,196 km (0.111 R)
• M8: 5,700,876 km (0.06 R)
• M9: 6,270,844 km (0.075 R)
• M10: 7,215,704 km (0.099 R)
• M11: 7,883,209 km (0.11 R)
• M12: 8,421,163 km (0.069 R)
• M13: 10,135,106 km (0.073 R)
• M14: 10,872,025 km (0.092 R)
• M15: 12,233,366 km (0.083 R)
• M16: 20,629,995 km (0.105 R)
• M17: 21,573,060 km (0.109 R)
• M18: 22,791,984 km (0.091 R)
• M19: 24,836,837 km (0.108 R)
• M20: 27,280,369 km (0.039 R)
• M21: 28,995,807 km (0.09 R)
• M22: 33,597,438 km (0.119 R)
• M23: 39,137,496 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.8

Radius: 4.3

Gravity: 29.9 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.37 AU - 9.79 AU

Year: 19145 Days

Day: 23.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,138,430 km

• M1: 53,406 km (0.065 R)
• M2: 194,328 km (0.118 R)
• M3: 690,245 km (0.107 R)
• M4: 826,229 km (0.119 R)
• M5: 1,206,956 km (0.105 R)
• M6: 1,645,128 km (0.109 R)
• M7: 3,155,468 km (0.118 R)
• M8: 3,564,319 km (0.078 R)
• M9: 4,453,678 km (0.099 R)
• M10: 5,596,456 km (0.032 R)
• M11: 6,030,889 km (0.079 R)
• M12: 6,487,162 km (0.099 R)
• M13: 9,120,234 km (0.111 R)
• M14: 9,389,959 km (0.083 R)
• M15: 9,554,517 km (0.11 R)
• M16: 9,720,870 km (0.047 R)
• M17: 10,231,447 km (0.066 R)
• M18: 12,192,526 km (0.112 R)
• M19: 12,519,995 km (0.108 R)
• M20: 15,506,268 km (0.082 R)
• M21: 16,281,335 km (0.111 R)
• M22: 17,000,751 km (0.061 R)
• M23: 17,657,785 km (0.064 R)
• M24: 19,462,683 km (0.081 R)
• M25: 20,824,772 km (0.093 R)
• M26: 25,184,802 km (0.107 R)
• M27: 26,037,809 km (0.111 R)
• M28: 28,140,706 km (0.112 R)
• M29: 28,943,149 km (0.068 R)
• M30: 30,473,685 km (0.071 R)
• M31: 31,197,888 km (0.1 R)
• M32: 32,181,344 km (0.104 R)
• M33: 32,932,326 km (0.11 R)
• M34: 42,725,601 km (0.102 R)
• M35: 63,974,931 km (0.091 R)
• M36: 67,781,150 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.2

Radius: 5

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.05 AU - 11.53 AU

Year: 19778 Days

Day: 20.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,138,430 km

• M1: 80,932 km (0.082 R)
• M2: 428,747 km (0.095 R)
• M3: 1,175,091 km (0.079 R)
• M4: 2,211,505 km (0.09 R)
• M5: 3,804,274 km (0.086 R)
• M6: 7,902,657 km (0.113 R)
• M7: 8,471,428 km (0.028 R)
• M8: 12,533,459 km (0.038 R)
• M9: 13,045,084 km (0.115 R)
• M10: 17,413,043 km (0.059 R)
• M11: 17,650,006 km (0.109 R)
• M12: 18,537,271 km (0.073 R)
• M13: 22,477,978 km (0.046 R)
• M14: 23,809,249 km (0.092 R)
• M15: 29,661,219 km (0.108 R)
• M16: 31,610,928 km (0.111 R)
• M17: 36,661,352 km (0.039 R)
• M18: 38,235,271 km (0.076 R)
• M19: 47,089,819 km (0.12 R)
• M20: 51,338,698 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.6

Radius: 6.8

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.5 AU - 12.54 AU

Year: 22031 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,138,430 km

• M1: 86,318 km (0.109 R)
• M2: 303,534 km (0.089 R)
• M3: 568,921 km (0.115 R)
• M4: 866,321 km (0.115 R)
• M5: 1,383,032 km (0.097 R)
• M6: 2,170,815 km (0.078 R)
• M7: 3,225,928 km (0.081 R)
• M8: 3,713,468 km (0.074 R)
• M9: 5,552,175 km (0.082 R)
• M10: 6,601,006 km (0.092 R)
• M11: 8,283,085 km (0.11 R)
• M12: 8,597,689 km (0.106 R)
• M13: 9,419,280 km (0.082 R)
• M14: 12,468,085 km (0.044 R)
• M15: 14,251,591 km (0.049 R)
• M16: 14,476,586 km (0.112 R)
• M17: 15,243,275 km (0.068 R)
• M18: 18,941,035 km (0.116 R)
• M19: 19,950,970 km (0.082 R)
• M20: 30,335,905 km (0.094 R)
• M21: 30,833,168 km (0.103 R)
• M22: 36,527,162 km (0.113 R)
• M23: 39,694,449 km (0.077 R)
• M24: 45,588,006 km (0.117 R)
• M25: 52,572,881 km (0.036 R)
• M26: 58,112,938 km (0.064 R)
• M27: 63,218,714 km (0.111 R)
• M28: 67,343,875 km (0.111 R)
• M29: 68,615,607 km (0.097 R)
• M30: 72,748,098 km (0.073 R)
• M31: 76,354,454 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.2

Radius: 3

Gravity: 27.69 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.73 AU - 13.11 AU

Year: 23300 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,138,430 km

• M1: 37,549 km (0.058 R)
• M2: 198,666 km (0.083 R)
• M3: 405,709 km (0.08 R)
• M4: 540,048 km (0.082 R)
• M5: 642,972 km (0.026 R)
• M6: 942,915 km (0.082 R)
• M7: 1,443,320 km (0.113 R)
• M8: 3,131,233 km (0.12 R)
• M9: 3,413,973 km (0.026 R)
• M10: 3,602,466 km (0.087 R)
• M11: 3,941,754 km (0.118 R)
• M12: 7,064,909 km (0.095 R)
• M13: 8,009,769 km (0.085 R)
• M14: 9,086,724 km (0.071 R)
• M15: 9,606,577 km (0.118 R)
• M16: 9,820,053 km (0.047 R)
• M17: 10,256,430 km (0.117 R)
• M18: 11,582,765 km (0.109 R)
• M19: 11,703,191 km (0.05 R)
• M20: 12,443,700 km (0.092 R)
• M21: 18,275,923 km (0.039 R)
• M22: 21,276,707 km (0.076 R)
• M23: 23,707,074 km (0.1 R)
• M24: 26,109,017 km (0.063 R)
• M25: 27,050,137 km (0.083 R)
• M26: 27,475,444 km (0.059 R)
• M27: 28,013,398 km (0.111 R)
• M28: 29,221,700 km (0.041 R)
• M29: 29,895,190 km (0.061 R)
• M30: 30,924,573 km (0.071 R)
• M31: 31,040,511 km (0.109 R)
• M32: 32,692,520 km (0.078 R)
• M33: 37,339,030 km (0.111 R)
• M34: 37,602,023 km (0.097 R)
• M35: 39,887,579 km (0.1 R)
• M36: 44,585,252 km (0.115 R)
• M37: 52,549,094 km (0.093 R)
• M38: 54,046,120 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 12,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit