🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 10.2

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,044,562 km

• M1: 126,859 km (0.115 R)
• M2: 472,131 km (0.086 R)
• M3: 918,830 km (0.118 R)
• M4: 1,265,598 km (0.072 R)
• M5: 1,593,666 km (0.079 R)
• M6: 1,995,935 km (0.114 R)
• M7: 2,427,824 km (0.105 R)
• M8: 2,784,166 km (0.103 R)
• M9: 3,566,712 km (0.066 R)
• M10: 4,165,702 km (0.094 R)
• M11: 4,504,093 km (0.096 R)
• M12: 4,860,734 km (0.037 R)
• M13: 5,252,531 km (0.111 R)
• M14: 5,940,681 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 8.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.78 AU - 1.02 AU

Year: 589 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,044,562 km

• M1: 110,702 km (0.098 R)
• M2: 424,708 km (0.061 R)
• M3: 711,338 km (0.105 R)
• M4: 1,408,314 km (0.05 R)
• M5: 1,802,954 km (0.106 R)
• M6: 2,207,915 km (0.114 R)
• M7: 2,523,866 km (0.068 R)
• M8: 3,066,008 km (0.091 R)
• M9: 3,955,966 km (0.103 R)
• M10: 4,339,834 km (0.058 R)
• M11: 4,946,603 km (0.028 R)
• M12: 5,230,390 km (0.103 R)
• M13: 5,727,654 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.1

Radius: 9.2

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.65 AU - 2.61 AU

Year: 2146 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,044,562 km

• M1: 114,592 km (0.091 R)
• M2: 622,327 km (0.055 R)
• M3: 1,556,566 km (0.071 R)
• M4: 2,013,438 km (0.097 R)
• M5: 2,355,119 km (0.1 R)
• M6: 3,024,570 km (0.097 R)
• M7: 3,334,237 km (0.091 R)
• M8: 3,635,378 km (0.119 R)
• M9: 4,065,472 km (0.063 R)
• M10: 4,881,827 km (0.086 R)
• M11: 5,252,680 km (0.117 R)
• M12: 6,392,167 km (0.114 R)
• M13: 6,701,237 km (0.079 R)
• M14: 7,160,053 km (0.04 R)
• M15: 7,639,814 km (0.088 R)
• M16: 8,824,629 km (0.111 R)
• M17: 9,574,713 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.4

Radius: 13.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.49 AU - 4.67 AU

Year: 6766 Days

Day: 5.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,044,562 km

• M1: 166,802 km (0.064 R)
• M2: 842,386 km (0.06 R)
• M3: 1,500,167 km (0.096 R)
• M4: 2,486,765 km (0.093 R)
• M5: 5,165,614 km (0.089 R)
• M6: 5,856,457 km (0.027 R)
• M7: 11,324,559 km (0.06 R)
• M8: 12,016,000 km (0.103 R)
• M9: 12,931,988 km (0.069 R)
• M10: 13,998,172 km (0.089 R)
• M11: 14,633,215 km (0.076 R)
• M12: 18,664,878 km (0.117 R)
• M13: 22,727,208 km (0.064 R)
• M14: 24,581,623 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.2

Radius: 12.5

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.62 AU - 5.54 AU

Year: 7903 Days

Day: 9.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,044,562 km

• M1: 161,416 km (0.074 R)
• M2: 847,921 km (0.105 R)
• M3: 3,023,672 km (0.032 R)
• M4: 5,214,683 km (0.045 R)
• M5: 10,260,918 km (0.084 R)
• M6: 10,719,585 km (0.049 R)
• M7: 18,728,905 km (0.11 R)
• M8: 23,243,320 km (0.106 R)
• M9: 23,818,075 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.1

Radius: 5.2

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.58 AU - 7.28 AU

Year: 9968 Days

Day: 22.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,044,562 km

• M1: 84,523 km (0.088 R)
• M2: 331,658 km (0.084 R)
• M3: 1,158,336 km (0.058 R)
• M4: 1,388,119 km (0.115 R)
• M5: 1,796,670 km (0.114 R)
• M6: 2,249,054 km (0.11 R)
• M7: 4,112,745 km (0.054 R)
• M8: 6,310,786 km (0.099 R)
• M9: 7,130,583 km (0.069 R)
• M10: 7,528,962 km (0.097 R)
• M11: 9,230,338 km (0.12 R)
• M12: 9,400,581 km (0.037 R)
• M13: 10,192,851 km (0.091 R)
• M14: 10,374,762 km (0.043 R)
• M15: 12,888,754 km (0.113 R)
• M16: 14,948,118 km (0.069 R)
• M17: 15,781,528 km (0.082 R)
• M18: 17,867,521 km (0.103 R)
• M19: 22,042,349 km (0.106 R)
• M20: 22,270,485 km (0.116 R)
• M21: 23,831,988 km (0.11 R)
• M22: 24,072,242 km (0.104 R)
• M23: 26,823,796 km (0.098 R)
• M24: 27,258,228 km (0.036 R)
• M25: 28,051,994 km (0.083 R)
• M26: 28,589,499 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441

Radius: 7.8

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.59 AU - 8.93 AU

Year: 14921 Days

Day: 22.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,044,562 km

• M1: 97,388 km (0.113 R)
• M2: 391,049 km (0.108 R)
• M3: 770,728 km (0.084 R)
• M4: 1,078,451 km (0.047 R)
• M5: 1,966,015 km (0.109 R)
• M6: 4,297,049 km (0.096 R)
• M7: 4,568,270 km (0.038 R)
• M8: 5,013,025 km (0.108 R)
• M9: 5,416,789 km (0.116 R)
• M10: 6,025,952 km (0.037 R)
• M11: 7,595,233 km (0.12 R)
• M12: 14,640,545 km (0.1 R)
• M13: 16,105,408 km (0.119 R)
• M14: 20,065,562 km (0.117 R)
• M15: 21,256,511 km (0.051 R)
• M16: 26,393,403 km (0.118 R)
• M17: 26,897,847 km (0.1 R)
• M18: 30,389,461 km (0.113 R)
• M19: 31,279,269 km (0.111 R)
• M20: 33,110,796 km (0.091 R)
• M21: 33,697,519 km (0.097 R)
• M22: 34,052,814 km (0.034 R)
• M23: 35,621,647 km (0.104 R)
• M24: 37,491,022 km (0.105 R)
• M25: 38,128,309 km (0.081 R)
• M26: 39,163,227 km (0.117 R)
• M27: 39,424,724 km (0.088 R)
• M28: 40,083,852 km (0.096 R)
• M29: 40,750,310 km (0.097 R)
• M30: 44,477,392 km (0.107 R)
• M31: 45,913,531 km (0.066 R)
• M32: 47,826,290 km (0.078 R)
• M33: 51,967,907 km (0.066 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 11,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit