🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 14.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.4 AU - 0.66 AU

Year: 262 Days

Day: 6.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,597,156 km

• M1: 183,257 km (0.057 R)
• M2: 818,899 km (0.068 R)
• M3: 1,310,627 km (0.064 R)
• M4: 1,769,144 km (0.117 R)
• M5: 2,619,160 km (0.076 R)
• M6: 3,597,530 km (0.101 R)
• M7: 4,142,215 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 10.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 11.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,597,156 km

• M1: 166,802 km (0.112 R)
• M2: 760,556 km (0.083 R)
• M3: 1,100,592 km (0.087 R)
• M4: 1,504,655 km (0.048 R)
• M5: 1,876,107 km (0.056 R)
• M6: 2,363,497 km (0.107 R)

Asteroid Belt

Center: 1.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.2

Radius: 14.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.4 AU - 1.46 AU

Year: 1160 Days

Day: 11.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,597,156 km

• M1: 182,809 km (0.085 R)
• M2: 1,145,770 km (0.113 R)
• M3: 1,913,207 km (0.077 R)
• M4: 2,473,152 km (0.103 R)
• M5: 3,410,981 km (0.1 R)
• M6: 3,963,296 km (0.03 R)
• M7: 4,557,350 km (0.095 R)
• M8: 5,348,722 km (0.098 R)
• M9: 5,926,020 km (0.045 R)
• M10: 7,061,019 km (0.112 R)
• M11: 10,980,035 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 10.8

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.89 AU - 3.93 AU

Year: 4271 Days

Day: 11.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,597,156 km

• M1: 134,339 km (0.026 R)
• M2: 702,661 km (0.069 R)
• M3: 1,391,410 km (0.103 R)
• M4: 2,010,745 km (0.106 R)
• M5: 2,361,851 km (0.104 R)
• M6: 3,132,879 km (0.099 R)
• M7: 4,086,715 km (0.063 R)
• M8: 5,954,145 km (0.098 R)
• M9: 6,623,895 km (0.058 R)
• M10: 7,582,667 km (0.115 R)
• M11: 8,222,797 km (0.077 R)
• M12: 8,937,126 km (0.086 R)
• M13: 14,227,206 km (0.104 R)
• M14: 15,035,932 km (0.037 R)
• M15: 15,423,690 km (0.1 R)
• M16: 17,403,019 km (0.12 R)
• M17: 19,415,410 km (0.077 R)
• M18: 23,082,203 km (0.099 R)
• M19: 23,598,765 km (0.106 R)
• M20: 25,742,203 km (0.071 R)
• M21: 26,457,879 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 12.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.32 AU - 3.54 AU

Year: 4309 Days

Day: 12.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,597,156 km

• M1: 153,637 km (0.1 R)
• M2: 667,057 km (0.041 R)
• M3: 1,197,232 km (0.09 R)
• M4: 1,900,940 km (0.084 R)
• M5: 2,476,294 km (0.069 R)
• M6: 3,166,089 km (0.026 R)
• M7: 3,769,567 km (0.117 R)
• M8: 4,425,703 km (0.093 R)
• M9: 5,234,130 km (0.053 R)
• M10: 6,167,471 km (0.115 R)
• M11: 7,338,524 km (0.081 R)
• M12: 8,116,283 km (0.091 R)
• M13: 10,529,297 km (0.108 R)
• M14: 11,211,463 km (0.086 R)
• M15: 12,105,161 km (0.066 R)
• M16: 12,616,785 km (0.12 R)
• M17: 13,386,466 km (0.108 R)
• M18: 14,340,901 km (0.105 R)
• M19: 14,756,184 km (0.081 R)
• M20: 15,719,894 km (0.118 R)
• M21: 17,301,891 km (0.067 R)
• M22: 18,617,305 km (0.067 R)
• M23: 19,049,643 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.4

Radius: 9.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.65 AU - 4.37 AU

Year: 4460 Days

Day: 7.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,597,156 km

• M1: 124,615 km (0.106 R)
• M2: 611,257 km (0.077 R)
• M3: 929,601 km (0.109 R)
• M4: 1,262,157 km (0.11 R)
• M5: 1,639,742 km (0.09 R)
• M6: 2,387,582 km (0.042 R)
• M7: 2,761,726 km (0.084 R)
• M8: 3,081,716 km (0.076 R)
• M9: 3,567,610 km (0.111 R)
• M10: 4,171,836 km (0.092 R)
• M11: 4,995,821 km (0.063 R)
• M12: 5,866,780 km (0.068 R)
• M13: 6,218,484 km (0.036 R)
• M14: 6,931,917 km (0.105 R)
• M15: 7,733,612 km (0.116 R)
• M16: 8,157,123 km (0.069 R)
• M17: 8,521,693 km (0.049 R)
• M18: 11,568,403 km (0.081 R)
• M19: 15,056,427 km (0.063 R)
• M20: 15,942,346 km (0.102 R)
• M21: 17,575,655 km (0.059 R)
• M22: 18,370,768 km (0.097 R)
• M23: 19,317,723 km (0.087 R)
• M24: 22,001,957 km (0.114 R)
• M25: 22,425,020 km (0.071 R)
• M26: 23,506,313 km (0.077 R)
• M27: 24,849,403 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 10.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.48 AU - 5.28 AU

Year: 6217 Days

Day: 12 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,597,156 km

• M1: 136,732 km (0.06 R)
• M2: 547,678 km (0.084 R)
• M3: 934,239 km (0.071 R)
• M4: 1,297,612 km (0.075 R)
• M5: 1,679,685 km (0.092 R)
• M6: 2,137,454 km (0.072 R)
• M7: 2,695,604 km (0.116 R)
• M8: 5,080,194 km (0.035 R)
• M9: 8,265,881 km (0.09 R)
• M10: 8,656,182 km (0.114 R)
• M11: 11,167,631 km (0.078 R)
• M12: 13,638,987 km (0.078 R)
• M13: 15,204,230 km (0.111 R)
• M14: 15,850,792 km (0.04 R)
• M15: 17,010,624 km (0.096 R)
• M16: 19,158,251 km (0.11 R)
• M17: 20,544,575 km (0.069 R)
• M18: 22,370,118 km (0.059 R)
• M19: 24,222,139 km (0.1 R)
• M20: 25,924,563 km (0.104 R)
• M21: 26,932,404 km (0.109 R)
• M22: 28,141,155 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.2

Radius: 5.5

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.26 AU - 11.2 AU

Year: 19019 Days

Day: 22.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,597,156 km

• M1: 73,453 km (0.082 R)
• M2: 264,040 km (0.063 R)
• M3: 505,790 km (0.119 R)
• M4: 932,892 km (0.095 R)
• M5: 2,040,515 km (0.05 R)
• M6: 2,533,141 km (0.113 R)
• M7: 3,031,900 km (0.097 R)
• M8: 3,996,208 km (0.113 R)
• M9: 10,922,739 km (0.098 R)
• M10: 23,228,211 km (0.102 R)
• M11: 31,825,301 km (0.055 R)
• M12: 33,534,307 km (0.115 R)
• M13: 44,387,483 km (0.088 R)
• M14: 44,949,074 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 10,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit