🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 10.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.64 AU - 0.9 AU

Year: 436 Days

Day: 6.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,889,645 km

• M1: 135,685 km (0.103 R)
• M2: 556,504 km (0.106 R)
• M3: 905,067 km (0.117 R)
• M4: 1,332,019 km (0.071 R)
• M5: 1,690,007 km (0.087 R)
• M6: 2,359,458 km (0.113 R)
• M7: 2,823,660 km (0.091 R)
• M8: 3,208,575 km (0.096 R)
• M9: 4,288,821 km (0.112 R)
• M10: 4,744,347 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 8.8

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.72 AU - 1.12 AU

Year: 570 Days

Day: 5.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,889,645 km

• M1: 110,104 km (0.097 R)
• M2: 981,512 km (0.08 R)
• M3: 1,334,862 km (0.059 R)
• M4: 1,647,521 km (0.101 R)
• M5: 2,093,173 km (0.042 R)
• M6: 2,779,678 km (0.091 R)
• M7: 3,080,220 km (0.095 R)
• M8: 3,927,842 km (0.114 R)
• M9: 5,316,858 km (0.097 R)
• M10: 5,714,190 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.3

Radius: 10.7

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.8 AU - 1.16 AU

Year: 626 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,889,645 km

• M1: 133,142 km (0.059 R)
• M2: 494,720 km (0.118 R)
• M3: 916,736 km (0.115 R)
• M4: 1,455,288 km (0.106 R)
• M5: 2,054,727 km (0.085 R)
• M6: 2,470,160 km (0.057 R)
• M7: 2,917,757 km (0.11 R)
• M8: 3,406,044 km (0.06 R)
• M9: 3,846,760 km (0.087 R)
• M10: 4,466,992 km (0.067 R)
• M11: 4,860,285 km (0.104 R)
• M12: 5,754,581 km (0.058 R)
• M13: 6,301,362 km (0.051 R)
• M14: 6,946,876 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 12.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.04 AU - 1.08 AU

Year: 705 Days

Day: 6.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,889,645 km

• M1: 158,574 km (0.063 R)
• M2: 599,738 km (0.098 R)
• M3: 1,120,937 km (0.097 R)
• M4: 1,761,216 km (0.063 R)
• M5: 2,235,740 km (0.071 R)
• M6: 2,658,354 km (0.099 R)
• M7: 3,059,725 km (0.12 R)
• M8: 4,355,692 km (0.068 R)
• M9: 4,866,419 km (0.118 R)
• M10: 5,546,939 km (0.034 R)
• M11: 6,517,231 km (0.08 R)
• M12: 8,489,679 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.1

Radius: 9.8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.42 AU - 1.48 AU

Year: 1127 Days

Day: 10.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,889,645 km

• M1: 121,922 km (0.08 R)
• M2: 546,032 km (0.1 R)
• M3: 872,156 km (0.109 R)
• M4: 1,320,052 km (0.068 R)
• M5: 1,757,177 km (0.065 R)
• M6: 2,125,786 km (0.071 R)
• M7: 2,524,913 km (0.033 R)
• M8: 2,961,888 km (0.111 R)
• M9: 3,318,978 km (0.069 R)
• M10: 3,959,407 km (0.119 R)
• M11: 4,696,326 km (0.086 R)
• M12: 5,503,855 km (0.032 R)
• M13: 6,066,044 km (0.101 R)
• M14: 6,686,726 km (0.066 R)
• M15: 7,594,486 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.8

Radius: 10.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.72 AU - 2.52 AU

Year: 1993 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,889,645 km

• M1: 134,339 km (0.105 R)
• M2: 614,099 km (0.1 R)
• M3: 1,098,348 km (0.118 R)
• M4: 1,516,324 km (0.077 R)
• M5: 1,859,651 km (0.101 R)
• M6: 2,403,439 km (0.081 R)
• M7: 2,809,897 km (0.108 R)
• M8: 3,320,325 km (0.061 R)
• M9: 3,652,432 km (0.045 R)
• M10: 5,311,921 km (0.088 R)
• M11: 5,683,672 km (0.056 R)
• M12: 6,666,530 km (0.093 R)
• M13: 7,198,799 km (0.098 R)
• M14: 7,577,731 km (0.115 R)
• M15: 8,130,644 km (0.102 R)
• M16: 11,107,941 km (0.112 R)
• M17: 11,478,345 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 14.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.97 AU - 2.91 AU

Year: 2461 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,889,645 km

• M1: 176,675 km (0.068 R)
• M2: 656,286 km (0.085 R)
• M3: 1,104,032 km (0.096 R)
• M4: 1,549,684 km (0.072 R)
• M5: 2,259,526 km (0.083 R)
• M6: 3,016,043 km (0.116 R)
• M7: 4,526,981 km (0.074 R)
• M8: 5,246,996 km (0.101 R)
• M9: 5,861,693 km (0.101 R)
• M10: 7,718,652 km (0.074 R)
• M11: 8,849,911 km (0.094 R)
• M12: 11,240,335 km (0.096 R)
• M13: 11,889,440 km (0.033 R)
• M14: 12,477,659 km (0.087 R)
• M15: 14,080,301 km (0.1 R)
• M16: 15,468,121 km (0.074 R)
• M17: 16,632,142 km (0.098 R)
• M18: 18,127,223 km (0.052 R)
• M19: 18,570,481 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 12.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.81 AU - 3.39 AU

Year: 3524 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,889,645 km

• M1: 150,645 km (0.095 R)
• M2: 534,962 km (0.08 R)
• M3: 1,012,030 km (0.028 R)
• M4: 2,107,385 km (0.047 R)
• M5: 2,624,695 km (0.074 R)
• M6: 5,034,417 km (0.067 R)
• M7: 7,783,577 km (0.077 R)
• M8: 9,262,053 km (0.089 R)
• M9: 11,007,711 km (0.079 R)
• M10: 11,590,095 km (0.079 R)
• M11: 12,719,110 km (0.108 R)
• M12: 15,749,065 km (0.073 R)
• M13: 16,201,749 km (0.103 R)
• M14: 16,955,871 km (0.066 R)
• M15: 19,294,685 km (0.108 R)
• M16: 21,632,450 km (0.12 R)
• M17: 22,546,942 km (0.049 R)
• M18: 23,781,424 km (0.095 R)
• M19: 24,528,366 km (0.101 R)
• M20: 25,368,059 km (0.034 R)
• M21: 26,147,913 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.2

Radius: 6.1

Gravity: 17.12 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.45 AU - 10.63 AU

Year: 16114 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,889,645 km

• M1: 75,846 km (0.1 R)
• M2: 305,928 km (0.072 R)
• M3: 877,990 km (0.075 R)
• M4: 1,626,428 km (0.11 R)
• M5: 2,122,195 km (0.088 R)
• M6: 3,023,223 km (0.087 R)
• M7: 3,382,707 km (0.072 R)
• M8: 3,600,671 km (0.117 R)
• M9: 4,733,725 km (0.092 R)
• M10: 5,890,566 km (0.113 R)
• M11: 6,618,210 km (0.048 R)
• M12: 6,960,191 km (0.082 R)
• M13: 7,587,155 km (0.073 R)
• M14: 10,998,136 km (0.109 R)
• M15: 12,034,850 km (0.058 R)
• M16: 12,674,231 km (0.104 R)
• M17: 13,002,299 km (0.057 R)
• M18: 13,335,902 km (0.094 R)
• M19: 16,757,804 km (0.117 R)
• M20: 18,209,950 km (0.044 R)
• M21: 21,362,277 km (0.093 R)
• M22: 23,359,558 km (0.081 R)
• M23: 28,163,146 km (0.104 R)
• M24: 30,209,196 km (0.117 R)
• M25: 33,212,373 km (0.054 R)
• M26: 33,585,620 km (0.103 R)
• M27: 34,087,670 km (0.108 R)
• M28: 35,235,385 km (0.119 R)
• M29: 39,944,427 km (0.11 R)
• M30: 41,076,733 km (0.114 R)
• M31: 42,815,060 km (0.095 R)
• M32: 50,751,526 km (0.117 R)
• M33: 57,801,176 km (0.072 R)
• M34: 61,278,429 km (0.111 R)
• M35: 61,652,274 km (0.068 R)
• M36: 62,973,074 km (0.065 R)

Asteroid Belt

Center: 9.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469

Radius: 4.1

Gravity: 27.9 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 10.17 AU - 11.27 AU

Year: 22662 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,889,645 km

• M1: 51,013 km (0.079 R)
• M2: 816,056 km (0.029 R)
• M3: 1,122,134 km (0.08 R)
• M4: 1,376,001 km (0.095 R)
• M5: 2,242,023 km (0.087 R)
• M6: 2,838,769 km (0.099 R)
• M7: 3,120,761 km (0.096 R)
• M8: 3,740,545 km (0.095 R)
• M9: 4,506,037 km (0.064 R)
• M10: 5,257,019 km (0.101 R)
• M11: 6,912,170 km (0.052 R)
• M12: 7,187,131 km (0.112 R)
• M13: 7,374,577 km (0.051 R)
• M14: 10,711,956 km (0.119 R)
• M15: 11,018,182 km (0.069 R)
• M16: 11,907,093 km (0.104 R)
• M17: 14,189,358 km (0.084 R)
• M18: 19,055,777 km (0.062 R)
• M19: 22,953,848 km (0.068 R)
• M20: 27,011,990 km (0.111 R)
• M21: 30,412,499 km (0.059 R)
• M22: 43,068,778 km (0.069 R)
• M23: 44,941,145 km (0.095 R)
• M24: 48,180,986 km (0.114 R)
• M25: 53,683,196 km (0.117 R)
• M26: 54,219,504 km (0.104 R)
• M27: 59,208,144 km (0.077 R)
• M28: 63,094,548 km (0.12 R)
• M29: 70,512,358 km (0.103 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 10,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit