🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.66 AU - 2.32 AU

Year: 1234 Days

Day: 40.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,745,718 km

• M1: 400,922 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.7

Radius: 13.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.35 AU - 2.93 AU

Year: 1886 Days

Day: 12.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,745,718 km

• M1: 170,392 km (0.1 R)
• M2: 709,393 km (0.1 R)
• M3: 1,315,863 km (0.081 R)
• M4: 1,771,239 km (0.105 R)
• M5: 3,540,084 km (0.107 R)
• M6: 4,072,204 km (0.101 R)
• M7: 5,191,345 km (0.097 R)
• M8: 5,742,913 km (0.037 R)
• M9: 6,656,656 km (0.111 R)
• M10: 8,206,341 km (0.107 R)
• M11: 8,742,649 km (0.12 R)
• M12: 9,721,169 km (0.103 R)
• M13: 10,254,036 km (0.079 R)
• M14: 12,046,518 km (0.112 R)
• M15: 12,701,158 km (0.095 R)
• M16: 13,583,636 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 12.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.66 AU - 2.66 AU

Year: 1908 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,745,718 km

• M1: 154,235 km (0.068 R)
• M2: 611,706 km (0.109 R)
• M3: 1,091,466 km (0.118 R)
• M4: 1,653,954 km (0.106 R)
• M5: 2,354,970 km (0.087 R)
• M6: 3,538,887 km (0.09 R)
• M7: 4,048,418 km (0.076 R)
• M8: 4,487,039 km (0.091 R)
• M9: 6,095,066 km (0.072 R)
• M10: 6,963,182 km (0.078 R)
• M11: 7,941,104 km (0.102 R)
• M12: 9,330,569 km (0.117 R)
• M13: 10,413,059 km (0.106 R)
• M14: 10,839,862 km (0.098 R)
• M15: 12,348,107 km (0.113 R)
• M16: 13,949,253 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 14.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.6 AU - 3.34 AU

Year: 2251 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,745,718 km

• M1: 181,761 km (0.057 R)
• M2: 1,141,881 km (0.071 R)
• M3: 1,785,899 km (0.103 R)
• M4: 3,190,474 km (0.12 R)
• M5: 6,335,320 km (0.027 R)
• M6: 7,161,549 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 12.3

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.19 AU - 3.75 AU

Year: 2842 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,745,718 km

• M1: 153,188 km (0.119 R)
• M2: 979,567 km (0.07 R)
• M3: 1,642,734 km (0.12 R)
• M4: 4,165,104 km (0.113 R)
• M5: 5,425,167 km (0.078 R)
• M6: 6,155,952 km (0.103 R)
• M7: 6,558,221 km (0.11 R)
• M8: 7,843,117 km (0.119 R)
• M9: 9,519,062 km (0.059 R)
• M10: 10,058,662 km (0.109 R)
• M11: 11,162,245 km (0.118 R)
• M12: 11,839,175 km (0.08 R)
• M13: 15,184,184 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.1

Radius: 14.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.7 AU - 4.5 AU

Year: 3003 Days

Day: 11.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,745,718 km

• M1: 185,352 km (0.104 R)
• M2: 648,806 km (0.098 R)
• M3: 1,401,732 km (0.078 R)
• M4: 1,994,140 km (0.118 R)
• M5: 2,722,382 km (0.093 R)
• M6: 4,853,105 km (0.088 R)
• M7: 5,402,129 km (0.108 R)
• M8: 5,939,634 km (0.095 R)
• M9: 6,456,644 km (0.112 R)
• M10: 7,273,748 km (0.102 R)
• M11: 7,898,768 km (0.111 R)
• M12: 8,868,910 km (0.103 R)
• M13: 9,620,041 km (0.091 R)
• M14: 10,220,377 km (0.118 R)
• M15: 11,455,307 km (0.086 R)
• M16: 13,793,971 km (0.079 R)
• M17: 14,316,666 km (0.106 R)
• M18: 14,951,559 km (0.079 R)
• M19: 16,172,876 km (0.038 R)
• M20: 19,280,922 km (0.084 R)
• M21: 19,995,401 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.2

Radius: 12.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.66 AU - 4.4 AU

Year: 3557 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,745,718 km

• M1: 152,141 km (0.046 R)
• M2: 565,330 km (0.098 R)
• M3: 1,019,659 km (0.088 R)
• M4: 1,496,428 km (0.103 R)
• M5: 1,999,675 km (0.082 R)
• M6: 2,933,165 km (0.095 R)
• M7: 3,353,685 km (0.082 R)
• M8: 3,962,848 km (0.115 R)
• M9: 4,741,505 km (0.099 R)
• M10: 5,674,546 km (0.116 R)
• M11: 6,126,781 km (0.101 R)
• M12: 7,496,349 km (0.054 R)
• M13: 7,972,220 km (0.065 R)
• M14: 9,060,545 km (0.119 R)
• M15: 9,719,822 km (0.088 R)
• M16: 11,486,274 km (0.08 R)
• M17: 12,777,005 km (0.111 R)
• M18: 13,408,308 km (0.098 R)
• M19: 14,419,888 km (0.048 R)
• M20: 14,997,635 km (0.112 R)
• M21: 15,590,641 km (0.108 R)
• M22: 20,451,226 km (0.03 R)
• M23: 21,450,539 km (0.08 R)
• M24: 22,065,686 km (0.083 R)
• M25: 22,974,792 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 9.2

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.72 AU - 8.14 AU

Year: 9819 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,745,718 km

• M1: 120,725 km (0.106 R)
• M2: 711,188 km (0.087 R)
• M3: 1,312,273 km (0.037 R)
• M4: 1,646,624 km (0.06 R)
• M5: 2,472,404 km (0.063 R)
• M6: 2,863,602 km (0.097 R)
• M7: 3,846,161 km (0.065 R)
• M8: 4,318,741 km (0.108 R)
• M9: 5,161,127 km (0.084 R)
• M10: 5,508,044 km (0.105 R)
• M11: 5,836,860 km (0.109 R)
• M12: 6,178,691 km (0.106 R)
• M13: 8,262,141 km (0.038 R)
• M14: 8,826,274 km (0.082 R)
• M15: 9,887,222 km (0.088 R)
• M16: 11,290,899 km (0.064 R)
• M17: 11,715,308 km (0.025 R)
• M18: 12,765,934 km (0.116 R)
• M19: 15,181,342 km (0.112 R)
• M20: 15,895,671 km (0.113 R)
• M21: 17,886,071 km (0.097 R)
• M22: 18,317,810 km (0.094 R)
• M23: 19,427,378 km (0.036 R)
• M24: 23,794,439 km (0.089 R)
• M25: 26,762,461 km (0.093 R)
• M26: 29,968,642 km (0.103 R)
• M27: 32,348,894 km (0.081 R)
• M28: 38,189,943 km (0.051 R)
• M29: 39,509,695 km (0.093 R)
• M30: 40,735,500 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.6

Radius: 7.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.43 AU - 13.85 AU

Year: 16349 Days

Day: 17.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,745,718 km

• M1: 98,286 km (0.102 R)
• M2: 416,780 km (0.094 R)
• M3: 898,186 km (0.099 R)
• M4: 1,727,257 km (0.076 R)
• M5: 2,239,779 km (0.093 R)
• M6: 3,773,307 km (0.088 R)
• M7: 5,139,584 km (0.118 R)
• M8: 5,819,956 km (0.109 R)
• M9: 7,974,165 km (0.119 R)
• M10: 8,258,401 km (0.063 R)
• M11: 8,586,319 km (0.09 R)
• M12: 9,503,205 km (0.112 R)
• M13: 10,955,052 km (0.096 R)
• M14: 13,178,974 km (0.028 R)
• M15: 13,677,584 km (0.091 R)
• M16: 22,815,470 km (0.117 R)
• M17: 24,640,864 km (0.086 R)
• M18: 25,627,462 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.8

Radius: 8

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 11.95 AU - 16.51 AU

Year: 23603 Days

Day: 24 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,745,718 km

• M1: 278,252 km (0.106 R)
• M2: 831,615 km (0.095 R)
• M3: 1,577,510 km (0.079 R)
• M4: 2,160,642 km (0.031 R)
• M5: 4,023,136 km (0.114 R)
• M6: 5,033,370 km (0.119 R)
• M7: 7,309,801 km (0.103 R)
• M8: 7,787,168 km (0.105 R)
• M9: 12,120,270 km (0.115 R)
• M10: 12,653,437 km (0.116 R)
• M11: 13,132,599 km (0.093 R)
• M12: 16,833,351 km (0.108 R)
• M13: 28,360,166 km (0.085 R)
• M14: 30,747,150 km (0.096 R)
• M15: 33,523,985 km (0.11 R)
• M16: 40,595,477 km (0.111 R)
• M17: 44,713,308 km (0.078 R)
• M18: 45,984,889 km (0.115 R)
• M19: 46,954,284 km (0.106 R)
• M20: 47,444,067 km (0.044 R)
• M21: 54,303,877 km (0.085 R)
• M22: 59,290,274 km (0.119 R)
• M23: 64,171,652 km (0.047 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 11,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit