🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.45 AU - 0.57 AU

Year: 239 Days

Day: 48 Hours

Environment

Temp: -124 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.4

Radius: 9.5

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.62 AU - 0.8 AU

Year: 392 Days

Day: 12.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,545,521 km

• M1: 118,182 km (0.074 R)
• M2: 461,809 km (0.112 R)
• M3: 853,456 km (0.038 R)
• M4: 1,479,373 km (0.113 R)
• M5: 1,902,436 km (0.105 R)
• M6: 2,377,559 km (0.082 R)
• M7: 2,703,533 km (0.115 R)
• M8: 3,158,759 km (0.117 R)
• M9: 3,458,404 km (0.084 R)
• M10: 4,169,293 km (0.117 R)
• M11: 4,661,021 km (0.102 R)
• M12: 5,317,756 km (0.043 R)
• M13: 5,677,090 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.1

Radius: 8.8

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.19 AU - 1.21 AU

Year: 862 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,545,521 km

• M1: 109,506 km (0.11 R)
• M2: 489,933 km (0.085 R)
• M3: 781,798 km (0.103 R)
• M4: 1,252,583 km (0.08 R)
• M5: 1,577,061 km (0.116 R)
• M6: 2,022,414 km (0.088 R)
• M7: 2,316,224 km (0.08 R)
• M8: 2,741,231 km (0.086 R)
• M9: 3,179,104 km (0.08 R)
• M10: 3,967,336 km (0.097 R)
• M11: 4,320,237 km (0.07 R)
• M12: 5,395,397 km (0.084 R)
• M13: 5,887,723 km (0.099 R)
• M14: 6,810,443 km (0.079 R)
• M15: 7,921,357 km (0.119 R)
• M16: 8,259,897 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.7

Radius: 9.2

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.18 AU - 2.72 AU

Year: 2516 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,545,521 km

• M1: 114,891 km (0.111 R)
• M2: 518,955 km (0.11 R)
• M3: 950,844 km (0.108 R)
• M4: 1,289,833 km (0.04 R)
• M5: 2,476,144 km (0.074 R)
• M6: 3,033,097 km (0.087 R)
• M7: 3,490,418 km (0.112 R)
• M8: 4,586,521 km (0.076 R)
• M9: 5,167,110 km (0.061 R)
• M10: 5,499,667 km (0.076 R)
• M11: 6,722,180 km (0.104 R)
• M12: 7,206,129 km (0.085 R)
• M13: 8,699,116 km (0.075 R)
• M14: 11,191,716 km (0.09 R)
• M15: 12,537,498 km (0.036 R)
• M16: 12,879,479 km (0.095 R)
• M17: 18,018,016 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.8

Radius: 10.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.25 AU - 4.29 AU

Year: 5788 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,545,521 km

• M1: 133,441 km (0.028 R)
• M2: 482,603 km (0.104 R)
• M3: 815,907 km (0.046 R)
• M4: 1,166,115 km (0.113 R)
• M5: 2,157,800 km (0.108 R)
• M6: 2,592,232 km (0.117 R)
• M7: 3,962,100 km (0.104 R)
• M8: 4,423,459 km (0.056 R)
• M9: 5,764,156 km (0.062 R)
• M10: 6,296,724 km (0.068 R)
• M11: 13,065,130 km (0.072 R)
• M12: 23,253,493 km (0.097 R)
• M13: 24,526,870 km (0.08 R)
• M14: 26,322,643 km (0.116 R)
• M15: 27,130,322 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.7

Radius: 11.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.53 AU - 5.51 AU

Year: 6304 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,545,521 km

• M1: 146,756 km (0.085 R)
• M2: 513,719 km (0.11 R)
• M3: 994,078 km (0.077 R)
• M4: 1,439,880 km (0.081 R)
• M5: 2,895,168 km (0.085 R)
• M6: 4,147,601 km (0.119 R)
• M7: 4,636,936 km (0.081 R)
• M8: 6,215,941 km (0.032 R)
• M9: 7,369,640 km (0.112 R)
• M10: 8,239,851 km (0.071 R)
• M11: 8,700,014 km (0.112 R)
• M12: 9,340,293 km (0.059 R)
• M13: 10,184,473 km (0.104 R)
• M14: 11,078,919 km (0.034 R)
• M15: 12,122,364 km (0.082 R)
• M16: 13,702,417 km (0.042 R)
• M17: 15,301,020 km (0.089 R)
• M18: 15,704,934 km (0.049 R)
• M19: 16,898,127 km (0.096 R)
• M20: 18,150,859 km (0.039 R)
• M21: 19,734,652 km (0.103 R)
• M22: 22,949,660 km (0.074 R)
• M23: 26,087,176 km (0.114 R)
• M24: 28,707,532 km (0.08 R)
• M25: 29,322,679 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.6

Radius: 9.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.15 AU - 5.41 AU

Year: 6856 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,545,521 km

• M1: 116,986 km (0.075 R)
• M2: 447,746 km (0.113 R)
• M3: 1,121,535 km (0.118 R)
• M4: 1,434,045 km (0.05 R)
• M5: 1,764,058 km (0.103 R)
• M6: 2,145,084 km (0.1 R)
• M7: 4,078,188 km (0.098 R)
• M8: 4,642,022 km (0.111 R)
• M9: 6,513,342 km (0.088 R)
• M10: 6,926,681 km (0.047 R)
• M11: 9,785,047 km (0.035 R)
• M12: 10,700,885 km (0.045 R)
• M13: 11,424,490 km (0.097 R)
• M14: 11,874,032 km (0.087 R)
• M15: 14,882,744 km (0.068 R)
• M16: 15,479,640 km (0.086 R)
• M17: 17,497,565 km (0.103 R)
• M18: 18,095,209 km (0.112 R)
• M19: 23,377,809 km (0.082 R)
• M20: 24,348,101 km (0.1 R)
• M21: 27,865,895 km (0.118 R)
• M22: 28,681,053 km (0.089 R)
• M23: 29,605,419 km (0.08 R)
• M24: 32,200,343 km (0.114 R)
• M25: 32,697,008 km (0.114 R)
• M26: 34,838,801 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 11.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.29 AU - 6.65 AU

Year: 8392 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,545,521 km

• M1: 141,669 km (0.082 R)
• M2: 639,980 km (0.08 R)
• M3: 1,377,946 km (0.058 R)
• M4: 1,836,763 km (0.081 R)
• M5: 2,378,905 km (0.119 R)
• M6: 2,838,320 km (0.07 R)
• M7: 3,356,677 km (0.117 R)
• M8: 3,736,656 km (0.096 R)
• M9: 4,306,324 km (0.119 R)
• M10: 6,055,273 km (0.069 R)
• M11: 6,512,893 km (0.098 R)
• M12: 7,069,547 km (0.085 R)
• M13: 7,819,929 km (0.096 R)
• M14: 8,320,634 km (0.107 R)
• M15: 9,021,500 km (0.093 R)
• M16: 9,761,261 km (0.04 R)
• M17: 11,734,307 km (0.117 R)
• M18: 12,280,190 km (0.087 R)
• M19: 13,073,059 km (0.112 R)
• M20: 13,719,621 km (0.087 R)
• M21: 14,203,121 km (0.059 R)
• M22: 14,573,226 km (0.091 R)
• M23: 15,140,352 km (0.106 R)
• M24: 16,453,671 km (0.095 R)
• M25: 16,862,074 km (0.096 R)
• M26: 26,710,101 km (0.086 R)
• M27: 28,136,517 km (0.07 R)
• M28: 28,917,867 km (0.115 R)
• M29: 31,348,533 km (0.112 R)
• M30: 33,150,739 km (0.064 R)
• M31: 34,797,362 km (0.093 R)
• M32: 39,211,846 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.4

Radius: 3.9

Gravity: 39.01 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.24 AU - 11.38 AU

Year: 20156 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,545,521 km

• M1: 48,470 km (0.118 R)
• M2: 197,768 km (0.063 R)
• M3: 381,774 km (0.115 R)
• M4: 1,699,881 km (0.097 R)
• M5: 2,219,135 km (0.066 R)
• M6: 3,860,223 km (0.078 R)
• M7: 4,271,618 km (0.082 R)
• M8: 5,256,271 km (0.103 R)
• M9: 6,383,042 km (0.109 R)
• M10: 7,048,603 km (0.072 R)
• M11: 7,857,329 km (0.069 R)
• M12: 8,726,193 km (0.098 R)
• M13: 12,504,736 km (0.041 R)
• M14: 14,118,299 km (0.087 R)
• M15: 14,937,048 km (0.085 R)
• M16: 16,103,762 km (0.1 R)
• M17: 18,094,610 km (0.112 R)
• M18: 23,468,016 km (0.1 R)
• M19: 27,131,219 km (0.103 R)
• M20: 32,413,819 km (0.111 R)
• M21: 34,096,347 km (0.108 R)
• M22: 43,854,466 km (0.095 R)
• M23: 46,070,759 km (0.109 R)
• M24: 46,555,157 km (0.081 R)
• M25: 48,526,856 km (0.086 R)
• M26: 59,606,524 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.1

Radius: 4.6

Gravity: 36.49 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.17 AU - 10.93 AU

Year: 20901 Days

Day: 15.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,545,521 km

• M1: 57,296 km (0.077 R)
• M2: 244,593 km (0.041 R)
• M3: 501,452 km (0.086 R)
• M4: 769,531 km (0.083 R)
• M5: 985,401 km (0.104 R)
• M6: 1,197,830 km (0.087 R)
• M7: 1,392,607 km (0.078 R)
• M8: 1,573,620 km (0.098 R)
• M9: 1,733,540 km (0.12 R)
• M10: 2,149,273 km (0.038 R)
• M11: 3,231,912 km (0.107 R)
• M12: 3,491,465 km (0.116 R)
• M13: 5,839,403 km (0.119 R)
• M14: 6,137,701 km (0.03 R)
• M15: 6,491,052 km (0.097 R)
• M16: 7,237,994 km (0.081 R)
• M17: 7,482,885 km (0.104 R)
• M18: 7,733,163 km (0.053 R)
• M19: 10,930,368 km (0.108 R)
• M20: 11,252,752 km (0.106 R)
• M21: 12,960,112 km (0.065 R)
• M22: 15,956,558 km (0.089 R)
• M23: 17,135,838 km (0.12 R)
• M24: 19,761,430 km (0.046 R)
• M25: 23,378,407 km (0.078 R)
• M26: 25,230,279 km (0.065 R)
• M27: 30,599,496 km (0.101 R)
• M28: 37,404,404 km (0.076 R)
• M29: 45,316,785 km (0.085 R)
• M30: 48,874,971 km (0.095 R)
• M31: 53,164,241 km (0.079 R)
• M32: 55,968,752 km (0.077 R)
• M33: 71,032,211 km (0.106 R)
• M34: 74,890,340 km (0.041 R)
• M35: 76,753,282 km (0.104 R)
• M36: 78,170,722 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 13,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit