🌌 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: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.41 AU - 0.61 AU

Year: 235 Days

Day: 41.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 148.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,047,466 km

• M1: 95,144 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 8.9

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.69 AU - 0.71 AU

Year: 378 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,047,466 km

• M1: 110,702 km (0.117 R)
• M2: 518,057 km (0.066 R)
• M3: 908,657 km (0.095 R)
• M4: 1,197,531 km (0.079 R)
• M5: 1,542,504 km (0.119 R)
• M6: 1,828,086 km (0.054 R)
• M7: 2,702,635 km (0.059 R)
• M8: 3,573,295 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.7

Radius: 11.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.67 AU - 0.83 AU

Year: 419 Days

Day: 7.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,047,466 km

• M1: 144,063 km (0.07 R)
• M2: 596,596 km (0.084 R)
• M3: 957,426 km (0.079 R)
• M4: 1,420,881 km (0.094 R)
• M5: 1,774,680 km (0.088 R)
• M6: 2,171,712 km (0.093 R)
• M7: 2,552,289 km (0.116 R)
• M8: 2,936,307 km (0.078 R)
• M9: 3,381,809 km (0.045 R)
• M10: 3,872,191 km (0.088 R)
• M11: 4,478,511 km (0.084 R)
• M12: 5,011,379 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 14.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.94 AU - 1.2 AU

Year: 715 Days

Day: 10.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,047,466 km

• M1: 183,108 km (0.077 R)
• M2: 653,743 km (0.108 R)
• M3: 1,201,869 km (0.101 R)
• M4: 1,871,469 km (0.105 R)
• M5: 2,375,913 km (0.081 R)
• M6: 2,849,540 km (0.056 R)
• M7: 3,615,332 km (0.108 R)
• M8: 4,175,875 km (0.083 R)
• M9: 4,810,020 km (0.112 R)
• M10: 6,047,195 km (0.058 R)
• M11: 6,761,076 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 13

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.63 AU - 2.61 AU

Year: 1993 Days

Day: 13.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,047,466 km

• M1: 200,910 km (0.099 R)
• M2: 623,823 km (0.103 R)
• M3: 1,284,447 km (0.077 R)
• M4: 1,985,912 km (0.076 R)
• M5: 2,573,383 km (0.117 R)
• M6: 3,593,341 km (0.103 R)
• M7: 4,044,378 km (0.11 R)
• M8: 5,420,978 km (0.112 R)
• M9: 6,216,988 km (0.115 R)
• M10: 9,144,170 km (0.117 R)
• M11: 10,742,174 km (0.042 R)
• M12: 13,055,406 km (0.034 R)
• M13: 15,307,901 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 8.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.24 AU - 4 AU

Year: 4447 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,047,466 km

• M1: 101,128 km (0.052 R)
• M2: 422,764 km (0.117 R)
• M3: 674,986 km (0.104 R)
• M4: 1,229,545 km (0.114 R)
• M5: 1,938,788 km (0.091 R)
• M6: 2,242,921 km (0.071 R)
• M7: 3,127,942 km (0.031 R)
• M8: 3,450,026 km (0.096 R)
• M9: 4,183,355 km (0.107 R)
• M10: 4,916,235 km (0.099 R)
• M11: 5,221,863 km (0.113 R)
• M12: 5,899,691 km (0.035 R)
• M13: 6,304,054 km (0.105 R)
• M14: 7,040,375 km (0.083 R)
• M15: 7,330,894 km (0.099 R)
• M16: 7,764,578 km (0.071 R)
• M17: 8,393,189 km (0.113 R)
• M18: 8,720,060 km (0.064 R)
• M19: 9,951,400 km (0.094 R)
• M20: 12,755,163 km (0.1 R)
• M21: 13,729,494 km (0.09 R)
• M22: 14,388,772 km (0.103 R)
• M23: 15,122,250 km (0.093 R)
• M24: 15,770,608 km (0.112 R)
• M25: 16,606,860 km (0.078 R)
• M26: 17,708,199 km (0.045 R)
• M27: 19,168,125 km (0.109 R)
• M28: 21,505,741 km (0.106 R)
• M29: 21,981,313 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 8.6

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.04 AU - 4.36 AU

Year: 4595 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,047,466 km

• M1: 106,962 km (0.115 R)
• M2: 381,026 km (0.112 R)
• M3: 1,014,722 km (0.097 R)
• M4: 1,800,560 km (0.063 R)
• M5: 3,596,482 km (0.112 R)
• M6: 3,968,532 km (0.078 R)
• M7: 4,246,336 km (0.1 R)
• M8: 5,407,065 km (0.091 R)
• M9: 6,197,840 km (0.117 R)
• M10: 9,354,355 km (0.095 R)
• M11: 10,060,008 km (0.053 R)
• M12: 10,404,233 km (0.051 R)
• M13: 11,025,513 km (0.072 R)
• M14: 12,147,646 km (0.107 R)
• M15: 13,038,053 km (0.097 R)
• M16: 13,551,024 km (0.052 R)
• M17: 13,865,329 km (0.106 R)
• M18: 17,159,325 km (0.066 R)
• M19: 18,857,111 km (0.076 R)
• M20: 19,249,057 km (0.039 R)
• M21: 21,573,808 km (0.101 R)
• M22: 23,775,141 km (0.03 R)
• M23: 25,720,661 km (0.112 R)
• M24: 26,691,102 km (0.111 R)
• M25: 27,854,076 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 11

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.53 AU - 4.59 AU

Year: 5282 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,047,466 km

• M1: 139,874 km (0.073 R)
• M2: 632,799 km (0.109 R)
• M3: 1,060,799 km (0.062 R)
• M4: 1,618,948 km (0.063 R)
• M5: 2,187,420 km (0.049 R)
• M6: 2,923,741 km (0.055 R)
• M7: 3,329,001 km (0.028 R)
• M8: 4,278,948 km (0.079 R)
• M9: 4,668,650 km (0.115 R)
• M10: 5,283,198 km (0.117 R)
• M11: 5,640,737 km (0.067 R)
• M12: 6,142,788 km (0.058 R)
• M13: 6,572,433 km (0.055 R)
• M14: 10,302,656 km (0.069 R)
• M15: 12,198,210 km (0.098 R)
• M16: 12,614,092 km (0.071 R)
• M17: 13,201,414 km (0.058 R)
• M18: 13,806,836 km (0.098 R)
• M19: 14,315,918 km (0.1 R)
• M20: 15,371,480 km (0.074 R)
• M21: 15,795,740 km (0.089 R)
• M22: 17,375,344 km (0.063 R)
• M23: 18,169,858 km (0.066 R)
• M24: 20,189,729 km (0.07 R)
• M25: 27,584,950 km (0.104 R)
• M26: 30,530,083 km (0.082 R)
• M27: 32,078,421 km (0.05 R)
• M28: 32,672,474 km (0.045 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859

Radius: 13.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.33 AU - 4.91 AU

Year: 6412 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,047,466 km

• M1: 169,195 km (0.034 R)
• M2: 634,744 km (0.107 R)
• M3: 1,131,708 km (0.057 R)
• M4: 1,582,147 km (0.112 R)
• M5: 2,730,012 km (0.058 R)
• M6: 3,406,493 km (0.082 R)
• M7: 4,041,386 km (0.067 R)
• M8: 5,305,040 km (0.113 R)
• M9: 5,833,719 km (0.068 R)
• M10: 6,500,775 km (0.067 R)
• M11: 7,330,445 km (0.107 R)
• M12: 9,646,370 km (0.059 R)
• M13: 11,070,542 km (0.12 R)
• M14: 13,070,366 km (0.088 R)
• M15: 13,577,353 km (0.073 R)
• M16: 15,054,931 km (0.09 R)
• M17: 16,441,704 km (0.089 R)
• M18: 16,966,643 km (0.092 R)
• M19: 18,821,207 km (0.065 R)
• M20: 20,960,158 km (0.096 R)
• M21: 26,245,750 km (0.088 R)
• M22: 31,648,327 km (0.112 R)
• M23: 37,749,676 km (0.106 R)
• M24: 38,319,644 km (0.029 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.4

Radius: 3.9

Gravity: 38.62 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.08 AU - 9.76 AU

Year: 14391 Days

Day: 22.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,047,466 km

• M1: 48,470 km (0.103 R)
• M2: 256,261 km (0.099 R)
• M3: 562,937 km (0.104 R)
• M4: 782,098 km (0.11 R)
• M5: 911,949 km (0.096 R)
• M6: 1,115,701 km (0.048 R)
• M7: 1,661,883 km (0.043 R)
• M8: 2,132,817 km (0.072 R)
• M9: 2,915,513 km (0.059 R)
• M10: 4,469,536 km (0.115 R)
• M11: 4,724,450 km (0.102 R)
• M12: 5,730,795 km (0.076 R)
• M13: 7,083,010 km (0.057 R)
• M14: 7,298,431 km (0.112 R)
• M15: 7,787,467 km (0.097 R)
• M16: 9,029,877 km (0.089 R)
• M17: 9,283,146 km (0.094 R)
• M18: 9,541,053 km (0.088 R)
• M19: 11,600,567 km (0.086 R)
• M20: 13,737,872 km (0.096 R)
• M21: 17,492,479 km (0.052 R)
• M22: 20,027,565 km (0.07 R)
• M23: 22,611,120 km (0.088 R)
• M24: 22,984,067 km (0.063 R)
• M25: 26,116,497 km (0.042 R)
• M26: 26,526,994 km (0.069 R)
• M27: 27,784,214 km (0.117 R)
• M28: 28,319,775 km (0.108 R)
• M29: 34,918,088 km (0.116 R)
• M30: 35,541,612 km (0.089 R)
• M31: 41,489,773 km (0.113 R)
• M32: 58,047,415 km (0.066 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 15,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit