🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.7

Radius: 12.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.62 AU - 0.74 AU

Year: 374 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,787,346 km

• M1: 157,078 km (0.117 R)
• M2: 655,388 km (0.101 R)
• M3: 1,087,726 km (0.081 R)
• M4: 1,567,038 km (0.084 R)
• M5: 2,378,307 km (0.055 R)
• M6: 3,441,499 km (0.117 R)
• M7: 4,146,703 km (0.077 R)
• M8: 4,798,950 km (0.114 R)
• M9: 5,296,961 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129

Radius: 10.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.54 AU - 0.84 AU

Year: 382 Days

Day: 14.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,787,346 km

• M1: 128,056 km (0.112 R)
• M2: 464,950 km (0.098 R)
• M3: 900,729 km (0.119 R)
• M4: 1,225,356 km (0.107 R)
• M5: 1,664,426 km (0.102 R)
• M6: 2,336,569 km (0.102 R)
• M7: 2,967,573 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 10.6

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.29 AU - 1.95 AU

Year: 1375 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,787,346 km

• M1: 131,796 km (0.048 R)
• M2: 478,713 km (0.065 R)
• M3: 1,223,860 km (0.098 R)
• M4: 1,583,942 km (0.11 R)
• M5: 2,236,039 km (0.051 R)
• M6: 2,619,608 km (0.097 R)
• M7: 3,082,913 km (0.115 R)
• M8: 3,707,933 km (0.089 R)
• M9: 4,234,218 km (0.077 R)
• M10: 4,570,365 km (0.086 R)
• M11: 5,928,264 km (0.106 R)
• M12: 6,813,136 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 9.1

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.42 AU - 2.9 AU

Year: 2893 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,787,346 km

• M1: 113,096 km (0.068 R)
• M2: 446,250 km (0.108 R)
• M3: 1,156,691 km (0.051 R)
• M4: 2,175,153 km (0.079 R)
• M5: 2,509,355 km (0.041 R)
• M6: 3,119,714 km (0.115 R)
• M7: 3,805,171 km (0.057 R)
• M8: 4,587,718 km (0.054 R)
• M9: 4,919,676 km (0.117 R)
• M10: 5,369,965 km (0.059 R)
• M11: 5,957,436 km (0.076 R)
• M12: 6,295,677 km (0.096 R)
• M13: 6,979,788 km (0.099 R)
• M14: 7,581,620 km (0.093 R)
• M15: 8,046,869 km (0.059 R)
• M16: 8,355,939 km (0.081 R)
• M17: 8,672,937 km (0.032 R)
• M18: 9,368,716 km (0.105 R)
• M19: 10,746,961 km (0.12 R)
• M20: 11,334,582 km (0.12 R)
• M21: 12,121,167 km (0.118 R)
• M22: 12,436,819 km (0.042 R)
• M23: 14,396,850 km (0.114 R)
• M24: 18,798,768 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.6

Radius: 8.4

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.95 AU - 4.83 AU

Year: 5116 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,787,346 km

• M1: 104,569 km (0.071 R)
• M2: 578,794 km (0.087 R)
• M3: 1,266,795 km (0.107 R)
• M4: 2,503,969 km (0.096 R)
• M5: 3,717,956 km (0.089 R)
• M6: 6,057,667 km (0.098 R)
• M7: 7,752,910 km (0.096 R)
• M8: 9,319,947 km (0.111 R)
• M9: 9,915,347 km (0.092 R)
• M10: 12,705,946 km (0.076 R)
• M11: 13,814,017 km (0.105 R)
• M12: 15,100,259 km (0.092 R)
• M13: 15,981,092 km (0.09 R)
• M14: 16,282,083 km (0.105 R)
• M15: 17,020,049 km (0.053 R)
• M16: 20,619,523 km (0.114 R)
• M17: 22,975,989 km (0.112 R)
• M18: 24,696,514 km (0.083 R)
• M19: 27,781,073 km (0.114 R)
• M20: 28,656,968 km (0.116 R)
• M21: 29,731,978 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.2

Radius: 14.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.91 AU - 4.53 AU

Year: 5781 Days

Day: 7 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,787,346 km

• M1: 181,612 km (0.052 R)
• M2: 705,354 km (0.115 R)
• M3: 1,239,867 km (0.098 R)
• M4: 1,726,210 km (0.049 R)
• M5: 3,595,585 km (0.116 R)
• M6: 5,178,031 km (0.112 R)
• M7: 5,962,672 km (0.043 R)
• M8: 6,697,347 km (0.087 R)
• M9: 8,609,806 km (0.089 R)
• M10: 9,388,463 km (0.114 R)
• M11: 10,003,011 km (0.091 R)
• M12: 11,588,150 km (0.107 R)
• M13: 13,335,154 km (0.055 R)
• M14: 13,850,220 km (0.12 R)
• M15: 14,539,716 km (0.075 R)
• M16: 15,532,149 km (0.098 R)
• M17: 18,845,741 km (0.046 R)
• M18: 20,907,798 km (0.105 R)
• M19: 23,936,557 km (0.06 R)
• M20: 24,391,783 km (0.093 R)
• M21: 25,713,480 km (0.097 R)
• M22: 26,432,298 km (0.032 R)
• M23: 27,993,801 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.6

Radius: 6.3

Gravity: 19.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.78 AU - 7.1 AU

Year: 12192 Days

Day: 24.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,787,346 km

• M1: 79,287 km (0.107 R)
• M2: 596,596 km (0.093 R)
• M3: 872,904 km (0.103 R)
• M4: 3,317,782 km (0.11 R)
• M5: 4,314,103 km (0.116 R)
• M6: 4,750,929 km (0.077 R)
• M7: 5,603,637 km (0.094 R)
• M8: 6,085,492 km (0.104 R)
• M9: 6,356,114 km (0.104 R)
• M10: 6,634,815 km (0.109 R)
• M11: 9,420,028 km (0.049 R)
• M12: 12,217,509 km (0.039 R)
• M13: 14,340,003 km (0.09 R)
• M14: 21,800,000 km (0.082 R)
• M15: 26,706,810 km (0.102 R)
• M16: 27,224,269 km (0.114 R)
• M17: 31,491,549 km (0.086 R)
• M18: 33,126,204 km (0.086 R)
• M19: 37,201,250 km (0.111 R)
• M20: 38,368,114 km (0.101 R)
• M21: 41,322,522 km (0.109 R)
• M22: 44,136,907 km (0.061 R)
• M23: 47,226,701 km (0.116 R)
• M24: 54,327,364 km (0.11 R)
• M25: 56,334,369 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.9

Radius: 6.8

Gravity: 19.96 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.6 AU - 10.5 AU

Year: 18155 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,787,346 km

• M1: 86,168 km (0.084 R)
• M2: 305,180 km (0.103 R)
• M3: 695,481 km (0.088 R)
• M4: 2,044,105 km (0.108 R)
• M5: 2,474,947 km (0.073 R)
• M6: 3,288,311 km (0.066 R)
• M7: 3,605,608 km (0.062 R)
• M8: 4,071,156 km (0.115 R)
• M9: 4,610,906 km (0.118 R)
• M10: 4,898,283 km (0.104 R)
• M11: 5,548,585 km (0.104 R)
• M12: 5,832,522 km (0.069 R)
• M13: 7,400,756 km (0.114 R)
• M14: 12,754,864 km (0.113 R)
• M15: 13,036,407 km (0.116 R)
• M16: 13,758,516 km (0.082 R)
• M17: 14,659,843 km (0.06 R)
• M18: 15,124,943 km (0.032 R)
• M19: 15,599,767 km (0.048 R)
• M20: 16,579,483 km (0.072 R)
• M21: 17,512,974 km (0.096 R)
• M22: 18,213,541 km (0.087 R)
• M23: 20,812,953 km (0.089 R)
• M24: 23,021,317 km (0.085 R)
• M25: 24,397,169 km (0.116 R)
• M26: 26,277,913 km (0.103 R)
• M27: 27,545,007 km (0.064 R)
• M28: 33,553,606 km (0.062 R)
• M29: 37,865,764 km (0.094 R)
• M30: 48,247,557 km (0.115 R)
• M31: 50,318,740 km (0.041 R)
• M32: 56,697,294 km (0.072 R)
• M33: 57,267,860 km (0.105 R)
• M34: 58,034,549 km (0.053 R)
• M35: 64,004,252 km (0.087 R)
• M36: 69,498,384 km (0.083 R)
• M37: 71,029,518 km (0.071 R)
• M38: 71,692,536 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 16,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit