🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.98 AU - 0.98 AU

Year: 360 Days

Day: 34.1 Hours

Environment

Temp: 22 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 80,386,877 km

• M1: 804,837 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.99 AU - 1.21 AU

Year: 428 Days

Day: 17.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 80,386,877 km

• M1: 114,293 km (0.116 R)
• M2: 321,187 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.18 AU - 1.4 AU

Year: 543 Days

Day: 23.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 12.1

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.11 AU - 5.19 AU

Year: 3719 Days

Day: 7.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,386,877 km

• M1: 150,645 km (0.088 R)
• M2: 578,345 km (0.057 R)
• M3: 1,220,120 km (0.105 R)
• M4: 1,652,757 km (0.086 R)
• M5: 2,491,104 km (0.103 R)
• M6: 3,201,245 km (0.045 R)
• M7: 3,867,255 km (0.088 R)
• M8: 4,245,288 km (0.11 R)
• M9: 4,771,574 km (0.039 R)
• M10: 5,234,130 km (0.104 R)
• M11: 5,897,597 km (0.117 R)
• M12: 6,340,257 km (0.101 R)
• M13: 7,127,591 km (0.107 R)
• M14: 8,337,987 km (0.079 R)
• M15: 13,586,628 km (0.062 R)
• M16: 15,774,497 km (0.092 R)
• M17: 17,698,774 km (0.101 R)
• M18: 18,373,610 km (0.034 R)
• M19: 22,788,992 km (0.073 R)
• M20: 23,957,201 km (0.115 R)
• M21: 26,175,738 km (0.118 R)
• M22: 26,891,264 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.8

Radius: 8.6

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.39 AU - 8.83 AU

Year: 7785 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,386,877 km

• M1: 107,112 km (0.072 R)
• M2: 378,034 km (0.107 R)
• M3: 676,930 km (0.072 R)
• M4: 1,497,026 km (0.047 R)
• M5: 2,826,951 km (0.118 R)
• M6: 3,234,306 km (0.111 R)
• M7: 5,820,704 km (0.101 R)
• M8: 8,592,154 km (0.117 R)
• M9: 9,826,486 km (0.114 R)
• M10: 10,361,897 km (0.092 R)
• M11: 18,904,384 km (0.106 R)
• M12: 22,444,917 km (0.068 R)
• M13: 26,126,969 km (0.094 R)
• M14: 30,703,317 km (0.071 R)
• M15: 33,560,038 km (0.077 R)
• M16: 37,169,536 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 9.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.48 AU - 10.94 AU

Year: 10366 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,386,877 km

• M1: 114,442 km (0.1 R)
• M2: 803,789 km (0.048 R)
• M3: 1,309,879 km (0.082 R)
• M4: 1,830,480 km (0.098 R)
• M5: 2,642,347 km (0.107 R)
• M6: 3,433,570 km (0.094 R)
• M7: 4,741,953 km (0.108 R)
• M8: 5,906,124 km (0.12 R)
• M9: 6,388,577 km (0.062 R)
• M10: 6,758,832 km (0.063 R)
• M11: 9,810,329 km (0.089 R)
• M12: 12,394,483 km (0.12 R)
• M13: 15,641,654 km (0.106 R)
• M14: 16,377,975 km (0.081 R)
• M15: 19,346,296 km (0.104 R)
• M16: 22,117,596 km (0.11 R)
• M17: 23,438,994 km (0.069 R)
• M18: 24,321,622 km (0.097 R)
• M19: 25,729,039 km (0.105 R)
• M20: 29,994,822 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.5

Radius: 14.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.12 AU - 12 AU

Year: 11833 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,386,877 km

• M1: 195,674 km (0.037 R)
• M2: 655,239 km (0.06 R)
• M3: 1,156,092 km (0.096 R)
• M4: 2,176,799 km (0.082 R)
• M5: 3,030,105 km (0.064 R)
• M6: 4,119,327 km (0.106 R)
• M7: 5,978,978 km (0.114 R)
• M8: 10,432,357 km (0.108 R)
• M9: 24,434,119 km (0.062 R)
• M10: 25,254,963 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.4

Radius: 12.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 9.26 AU - 11.92 AU

Year: 12781 Days

Day: 5.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,386,877 km

• M1: 156,479 km (0.032 R)
• M2: 591,510 km (0.077 R)
• M3: 1,238,072 km (0.101 R)
• M4: 1,628,672 km (0.092 R)
• M5: 3,670,234 km (0.072 R)
• M6: 4,083,274 km (0.064 R)
• M7: 5,003,750 km (0.078 R)
• M8: 5,946,216 km (0.065 R)
• M9: 6,839,166 km (0.114 R)
• M10: 7,864,061 km (0.116 R)
• M11: 12,206,887 km (0.116 R)
• M12: 13,070,516 km (0.104 R)
• M13: 15,979,297 km (0.078 R)
• M14: 16,862,522 km (0.078 R)
• M15: 17,316,103 km (0.108 R)
• M16: 18,169,110 km (0.108 R)
• M17: 18,806,846 km (0.092 R)
• M18: 20,211,570 km (0.059 R)
• M19: 22,312,223 km (0.089 R)
• M20: 27,252,842 km (0.095 R)
• M21: 27,983,329 km (0.104 R)
• M22: 28,513,055 km (0.071 R)
• M23: 30,699,428 km (0.1 R)
• M24: 31,604,495 km (0.051 R)
• M25: 34,790,780 km (0.113 R)
• M26: 36,023,317 km (0.056 R)
• M27: 37,797,548 km (0.086 R)
• M28: 38,968,450 km (0.065 R)
• M29: 42,209,189 km (0.05 R)
• M30: 44,610,534 km (0.109 R)
• M31: 46,803,788 km (0.083 R)
• M32: 49,375,376 km (0.115 R)
• M33: 50,617,636 km (0.097 R)
• M34: 55,962,619 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.4

Radius: 6.2

Gravity: 25.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 11.24 AU - 15.46 AU

Year: 18089 Days

Day: 22.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,386,877 km

• M1: 77,043 km (0.112 R)
• M2: 364,720 km (0.04 R)
• M3: 709,991 km (0.053 R)
• M4: 1,821,204 km (0.105 R)
• M5: 2,333,428 km (0.072 R)
• M6: 2,635,316 km (0.104 R)
• M7: 2,859,563 km (0.11 R)
• M8: 3,150,830 km (0.102 R)
• M9: 4,211,330 km (0.051 R)
• M10: 4,449,190 km (0.115 R)
• M11: 6,551,788 km (0.1 R)
• M12: 8,415,179 km (0.095 R)
• M13: 9,817,659 km (0.09 R)
• M14: 11,898,566 km (0.096 R)
• M15: 13,732,337 km (0.076 R)
• M16: 15,424,588 km (0.107 R)
• M17: 16,237,802 km (0.076 R)
• M18: 18,127,223 km (0.07 R)
• M19: 20,254,056 km (0.066 R)
• M20: 21,929,253 km (0.111 R)
• M21: 22,438,933 km (0.115 R)
• M22: 24,886,055 km (0.119 R)
• M23: 26,921,034 km (0.054 R)
• M24: 30,681,476 km (0.099 R)
• M25: 32,885,202 km (0.066 R)
• M26: 38,925,815 km (0.099 R)
• M27: 42,127,808 km (0.072 R)
• M28: 47,000,210 km (0.104 R)
• M29: 50,802,988 km (0.042 R)
• M30: 51,515,822 km (0.119 R)
• M31: 52,961,386 km (0.088 R)
• M32: 55,932,998 km (0.112 R)
• M33: 56,502,368 km (0.106 R)
• M34: 59,210,388 km (0.111 R)
• M35: 59,801,599 km (0.11 R)
• M36: 61,801,274 km (0.115 R)
• M37: 66,568,509 km (0.115 R)
• M38: 70,025,566 km (0.073 R)
• M39: 76,127,813 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 16,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit