🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 13.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.51 AU - 0.51 AU

Year: 251 Days

Day: 5.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,171,341 km

• M1: 169,195 km (0.058 R)
• M2: 616,343 km (0.061 R)
• M3: 1,042,697 km (0.045 R)
• M4: 1,539,362 km (0.085 R)
• M5: 2,018,973 km (0.044 R)
• M6: 2,461,783 km (0.066 R)
• M7: 2,988,367 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.5

Radius: 10.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 5.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,171,341 km

• M1: 134,339 km (0.077 R)
• M2: 574,007 km (0.076 R)
• M3: 965,205 km (0.093 R)
• M4: 1,309,729 km (0.089 R)
• M5: 1,706,912 km (0.072 R)
• M6: 2,184,727 km (0.116 R)
• M7: 2,562,911 km (0.066 R)
• M8: 3,135,721 km (0.117 R)
• M9: 3,705,240 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 12.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.92 AU - 1.38 AU

Year: 851 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,171,341 km

• M1: 153,039 km (0.119 R)
• M2: 551,867 km (0.112 R)
• M3: 1,016,368 km (0.08 R)
• M4: 1,542,952 km (0.089 R)
• M5: 2,158,996 km (0.113 R)
• M6: 2,552,888 km (0.074 R)
• M7: 3,432,673 km (0.114 R)
• M8: 3,851,846 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.3

Radius: 11.7

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.31 AU - 1.35 AU

Year: 1059 Days

Day: 10.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,171,341 km

• M1: 145,559 km (0.06 R)
• M2: 601,084 km (0.057 R)
• M3: 972,685 km (0.111 R)
• M4: 1,669,811 km (0.11 R)
• M5: 2,163,484 km (0.103 R)
• M6: 2,702,785 km (0.106 R)
• M7: 3,272,154 km (0.087 R)
• M8: 3,903,906 km (0.093 R)
• M9: 4,858,789 km (0.119 R)
• M10: 5,350,667 km (0.093 R)
• M11: 6,207,115 km (0.092 R)
• M12: 6,811,191 km (0.092 R)
• M13: 7,531,056 km (0.115 R)
• M14: 7,896,374 km (0.11 R)
• M15: 8,411,140 km (0.047 R)
• M16: 9,811,975 km (0.105 R)
• M17: 11,295,088 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.8

Radius: 12

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.36 AU - 2.06 AU

Year: 1543 Days

Day: 13.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,171,341 km

• M1: 149,299 km (0.046 R)
• M2: 798,254 km (0.099 R)
• M3: 1,173,745 km (0.053 R)
• M4: 2,053,979 km (0.087 R)
• M5: 2,692,612 km (0.039 R)
• M6: 3,690,131 km (0.064 R)
• M7: 4,163,608 km (0.106 R)
• M8: 4,981,160 km (0.115 R)
• M9: 7,357,971 km (0.107 R)
• M10: 7,770,562 km (0.095 R)
• M11: 8,315,547 km (0.078 R)
• M12: 8,793,961 km (0.11 R)
• M13: 9,196,230 km (0.098 R)
• M14: 9,773,528 km (0.116 R)
• M15: 10,477,536 km (0.095 R)
• M16: 11,431,970 km (0.116 R)
• M17: 11,911,730 km (0.1 R)
• M18: 13,925,168 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 14.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.78 AU - 4.76 AU

Year: 6091 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,171,341 km

• M1: 185,651 km (0.051 R)
• M2: 1,210,396 km (0.083 R)
• M3: 1,797,718 km (0.074 R)
• M4: 2,806,306 km (0.083 R)
• M5: 6,655,609 km (0.109 R)
• M6: 7,222,735 km (0.086 R)
• M7: 8,117,330 km (0.043 R)
• M8: 10,678,595 km (0.09 R)
• M9: 11,416,262 km (0.09 R)
• M10: 13,039,250 km (0.071 R)
• M11: 14,415,251 km (0.097 R)
• M12: 16,902,914 km (0.083 R)
• M13: 18,191,251 km (0.083 R)
• M14: 19,907,886 km (0.104 R)
• M15: 21,794,914 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751

Radius: 13

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.23 AU - 6.79 AU

Year: 8928 Days

Day: 11.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,171,341 km

• M1: 161,715 km (0.052 R)
• M2: 746,793 km (0.059 R)
• M3: 1,714,840 km (0.084 R)
• M4: 2,136,407 km (0.082 R)
• M5: 2,997,343 km (0.101 R)
• M6: 3,716,759 km (0.064 R)
• M7: 4,782,644 km (0.111 R)
• M8: 5,275,120 km (0.097 R)
• M9: 7,472,563 km (0.047 R)
• M10: 11,310,048 km (0.034 R)
• M11: 12,132,238 km (0.073 R)
• M12: 12,586,716 km (0.077 R)
• M13: 13,052,713 km (0.099 R)
• M14: 14,710,707 km (0.11 R)
• M15: 16,505,283 km (0.113 R)
• M16: 18,967,514 km (0.074 R)
• M17: 20,685,646 km (0.108 R)
• M18: 21,665,362 km (0.061 R)
• M19: 25,896,139 km (0.116 R)
• M20: 30,231,635 km (0.101 R)
• M21: 31,068,785 km (0.108 R)
• M22: 34,121,030 km (0.104 R)
• M23: 34,686,361 km (0.108 R)
• M24: 41,324,467 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.7

Radius: 4.7

Gravity: 41.5 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.76 AU - 9.5 AU

Year: 16001 Days

Day: 17.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 23,171,341 km

• M1: 59,091 km (0.078 R)
• M2: 217,067 km (0.082 R)
• M3: 569,519 km (0.097 R)
• M4: 786,137 km (0.099 R)
• M5: 1,200,224 km (0.098 R)
• M6: 2,087,040 km (0.092 R)
• M7: 2,272,541 km (0.11 R)
• M8: 2,972,061 km (0.057 R)
• M9: 3,569,555 km (0.115 R)
• M10: 3,835,689 km (0.092 R)
• M11: 5,034,866 km (0.085 R)
• M12: 6,084,145 km (0.113 R)
• M13: 6,859,810 km (0.119 R)
• M14: 7,747,823 km (0.082 R)
• M15: 8,295,800 km (0.036 R)
• M16: 9,192,640 km (0.062 R)
• M17: 10,328,387 km (0.12 R)
• M18: 15,191,215 km (0.099 R)
• M19: 15,344,553 km (0.069 R)
• M20: 17,183,410 km (0.092 R)
• M21: 17,686,358 km (0.026 R)
• M22: 18,546,097 km (0.047 R)
• M23: 22,661,534 km (0.072 R)
• M24: 24,088,698 km (0.094 R)
• M25: 24,718,355 km (0.098 R)
• M26: 26,229,892 km (0.117 R)
• M27: 28,378,417 km (0.1 R)
• M28: 30,519,312 km (0.099 R)
• M29: 37,304,623 km (0.086 R)
• M30: 41,792,858 km (0.049 R)
• M31: 48,429,169 km (0.079 R)
• M32: 51,476,179 km (0.076 R)
• M33: 56,466,015 km (0.098 R)
• M34: 57,204,281 km (0.034 R)
• M35: 57,389,782 km (0.064 R)
• M36: 58,888,603 km (0.117 R)
• M37: 60,605,688 km (0.075 R)
• M38: 66,570,005 km (0.067 R)
• M39: 66,775,403 km (0.048 R)
• M40: 68,641,936 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.5

Radius: 7.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.54 AU - 9.62 AU

Year: 20467 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,171,341 km

• M1: 98,286 km (0.071 R)
• M2: 376,089 km (0.08 R)
• M3: 942,766 km (0.08 R)
• M4: 1,368,970 km (0.074 R)
• M5: 1,620,743 km (0.094 R)
• M6: 1,948,961 km (0.08 R)
• M7: 2,978,942 km (0.115 R)
• M8: 5,087,824 km (0.095 R)
• M9: 5,543,050 km (0.076 R)
• M10: 7,486,027 km (0.113 R)
• M11: 7,954,867 km (0.108 R)
• M12: 8,865,319 km (0.099 R)
• M13: 9,125,321 km (0.118 R)
• M14: 13,209,043 km (0.062 R)
• M15: 15,210,812 km (0.051 R)
• M16: 15,646,740 km (0.057 R)
• M17: 17,204,802 km (0.095 R)
• M18: 20,930,388 km (0.038 R)
• M19: 22,737,530 km (0.106 R)
• M20: 26,390,710 km (0.075 R)
• M21: 27,751,901 km (0.082 R)
• M22: 28,874,184 km (0.09 R)
• M23: 29,832,209 km (0.107 R)
• M24: 33,144,306 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.3

Radius: 5.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.53 AU - 10.69 AU

Year: 20563 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,171,341 km

• M1: 79,885 km (0.08 R)
• M2: 266,135 km (0.12 R)
• M3: 521,947 km (0.12 R)
• M4: 3,890,143 km (0.092 R)
• M5: 8,301,485 km (0.104 R)
• M6: 17,079,140 km (0.112 R)
• M7: 17,824,437 km (0.101 R)
• M8: 22,553,076 km (0.081 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: 420 - 11,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit