🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.2

Radius: 9

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.01 AU - 3.29 AU

Year: 3032 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,770,373 km

• M1: 112,348 km (0.113 R)
• M2: 393,293 km (0.096 R)
• M3: 795,861 km (0.109 R)
• M4: 1,126,921 km (0.046 R)
• M5: 1,561,203 km (0.081 R)
• M6: 2,157,052 km (0.079 R)
• M7: 3,219,645 km (0.116 R)
• M8: 5,014,969 km (0.068 R)
• M9: 5,507,296 km (0.078 R)
• M10: 6,085,941 km (0.047 R)
• M11: 6,646,484 km (0.115 R)
• M12: 7,709,975 km (0.065 R)
• M13: 8,033,705 km (0.078 R)
• M14: 8,434,178 km (0.079 R)
• M15: 8,882,972 km (0.091 R)
• M16: 9,828,431 km (0.06 R)
• M17: 10,839,563 km (0.063 R)
• M18: 11,123,200 km (0.065 R)
• M19: 12,090,650 km (0.106 R)
• M20: 14,728,509 km (0.085 R)
• M21: 16,050,356 km (0.104 R)
• M22: 16,419,264 km (0.096 R)
• M23: 18,121,987 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.3

Radius: 8.9

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.49 AU - 3.29 AU

Year: 3453 Days

Day: 8 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,770,373 km

• M1: 110,852 km (0.091 R)
• M2: 409,150 km (0.073 R)
• M3: 755,768 km (0.067 R)
• M4: 1,165,068 km (0.101 R)
• M5: 1,742,067 km (0.059 R)
• M6: 2,170,067 km (0.059 R)
• M7: 2,682,739 km (0.059 R)
• M8: 3,184,789 km (0.072 R)
• M9: 4,116,933 km (0.064 R)
• M10: 4,555,255 km (0.118 R)
• M11: 5,048,629 km (0.113 R)
• M12: 5,977,183 km (0.093 R)
• M13: 7,230,514 km (0.081 R)
• M14: 7,513,553 km (0.094 R)
• M15: 7,935,569 km (0.104 R)
• M16: 8,236,859 km (0.115 R)
• M17: 9,860,145 km (0.043 R)
• M18: 11,815,539 km (0.037 R)
• M19: 12,120,868 km (0.117 R)
• M20: 13,871,463 km (0.104 R)
• M21: 15,419,352 km (0.106 R)
• M22: 16,694,524 km (0.095 R)
• M23: 20,561,779 km (0.072 R)
• M24: 21,582,036 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 14.3

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.02 AU - 3.94 AU

Year: 4563 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,770,373 km

• M1: 177,872 km (0.076 R)
• M2: 653,144 km (0.056 R)
• M3: 1,126,771 km (0.069 R)
• M4: 2,383,992 km (0.117 R)
• M5: 3,208,426 km (0.07 R)
• M6: 4,216,416 km (0.065 R)
• M7: 5,008,387 km (0.113 R)
• M8: 6,332,777 km (0.063 R)
• M9: 6,889,880 km (0.116 R)
• M10: 8,140,967 km (0.073 R)
• M11: 9,665,518 km (0.063 R)
• M12: 10,406,177 km (0.055 R)
• M13: 11,325,756 km (0.027 R)
• M14: 12,001,190 km (0.088 R)
• M15: 12,857,339 km (0.106 R)
• M16: 14,467,460 km (0.066 R)
• M17: 15,730,964 km (0.071 R)
• M18: 19,278,378 km (0.099 R)
• M19: 23,871,183 km (0.082 R)
• M20: 24,581,922 km (0.097 R)
• M21: 25,306,873 km (0.094 R)
• M22: 27,309,540 km (0.075 R)
• M23: 28,087,150 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 10.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.73 AU - 6.07 AU

Year: 7624 Days

Day: 14.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,770,373 km

• M1: 134,937 km (0.099 R)
• M2: 580,440 km (0.117 R)
• M3: 959,820 km (0.091 R)
• M4: 1,828,385 km (0.053 R)
• M5: 2,193,703 km (0.046 R)
• M6: 2,738,688 km (0.083 R)
• M7: 4,101,076 km (0.117 R)
• M8: 4,597,591 km (0.112 R)
• M9: 5,222,312 km (0.113 R)
• M10: 6,264,710 km (0.091 R)
• M11: 6,782,019 km (0.106 R)
• M12: 7,785,223 km (0.085 R)
• M13: 10,084,542 km (0.077 R)
• M14: 11,339,219 km (0.114 R)
• M15: 12,319,833 km (0.103 R)
• M16: 12,967,742 km (0.043 R)
• M17: 13,809,379 km (0.054 R)
• M18: 15,477,396 km (0.095 R)
• M19: 16,618,379 km (0.089 R)
• M20: 18,503,162 km (0.115 R)
• M21: 18,995,788 km (0.066 R)
• M22: 20,451,824 km (0.112 R)
• M23: 22,137,792 km (0.058 R)
• M24: 26,844,740 km (0.117 R)
• M25: 27,567,447 km (0.063 R)
• M26: 28,863,264 km (0.044 R)
• M27: 29,813,509 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.4

Radius: 3.7

Gravity: 72.78 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.03 AU - 5.91 AU

Year: 8993 Days

Day: 17.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,770,373 km

• M1: 46,974 km (0.115 R)
• M2: 264,938 km (0.082 R)
• M3: 481,556 km (0.073 R)
• M4: 702,063 km (0.09 R)
• M5: 944,860 km (0.109 R)
• M6: 1,179,729 km (0.09 R)
• M7: 1,480,271 km (0.043 R)
• M8: 2,326,845 km (0.087 R)
• M9: 2,484,073 km (0.119 R)
• M10: 2,733,303 km (0.108 R)
• M11: 3,067,953 km (0.068 R)
• M12: 3,257,194 km (0.09 R)
• M13: 4,470,882 km (0.047 R)
• M14: 4,683,461 km (0.115 R)
• M15: 5,463,913 km (0.051 R)
• M16: 5,706,860 km (0.108 R)
• M17: 6,365,090 km (0.088 R)
• M18: 8,502,694 km (0.073 R)
• M19: 9,163,767 km (0.105 R)
• M20: 11,020,127 km (0.102 R)
• M21: 11,464,283 km (0.066 R)
• M22: 14,579,808 km (0.092 R)
• M23: 17,016,758 km (0.104 R)
• M24: 19,874,077 km (0.107 R)
• M25: 20,118,819 km (0.085 R)
• M26: 20,531,261 km (0.057 R)
• M27: 23,124,988 km (0.102 R)
• M28: 24,500,242 km (0.103 R)
• M29: 25,160,267 km (0.097 R)
• M30: 25,446,747 km (0.105 R)
• M31: 26,713,393 km (0.103 R)
• M32: 27,111,323 km (0.109 R)
• M33: 29,371,448 km (0.072 R)
• M34: 31,201,478 km (0.103 R)
• M35: 34,496,371 km (0.112 R)
• M36: 35,444,523 km (0.036 R)
• M37: 36,531,800 km (0.057 R)
• M38: 48,210,906 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.2

Radius: 4.2

Gravity: 53.75 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.21 AU - 7.87 AU

Year: 11756 Days

Day: 23 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,770,373 km

• M1: 53,257 km (0.087 R)
• M2: 291,267 km (0.081 R)
• M3: 1,003,652 km (0.097 R)
• M4: 1,302,249 km (0.106 R)
• M5: 1,673,551 km (0.045 R)
• M6: 2,227,811 km (0.098 R)
• M7: 3,418,611 km (0.065 R)
• M8: 4,332,354 km (0.115 R)
• M9: 5,151,253 km (0.107 R)
• M10: 5,652,406 km (0.088 R)
• M11: 10,215,889 km (0.055 R)
• M12: 10,493,094 km (0.099 R)
• M13: 11,954,815 km (0.066 R)
• M14: 12,138,820 km (0.095 R)
• M15: 12,829,962 km (0.094 R)
• M16: 13,217,720 km (0.098 R)
• M17: 13,414,591 km (0.05 R)
• M18: 14,290,187 km (0.12 R)
• M19: 16,005,476 km (0.071 R)
• M20: 17,067,023 km (0.117 R)
• M21: 17,378,785 km (0.095 R)
• M22: 18,094,012 km (0.107 R)
• M23: 19,753,352 km (0.082 R)
• M24: 20,270,212 km (0.086 R)
• M25: 21,511,276 km (0.101 R)
• M26: 28,157,311 km (0.088 R)
• M27: 28,701,997 km (0.114 R)
• M28: 29,142,712 km (0.06 R)
• M29: 30,264,248 km (0.057 R)
• M30: 30,492,085 km (0.088 R)
• M31: 33,435,872 km (0.118 R)
• M32: 35,795,928 km (0.108 R)
• M33: 36,306,506 km (0.04 R)
• M34: 41,122,659 km (0.119 R)
• M35: 43,973,696 km (0.109 R)
• M36: 44,854,079 km (0.032 R)
• M37: 55,326,229 km (0.072 R)
• M38: 56,008,695 km (0.096 R)
• M39: 56,524,059 km (0.084 R)
• M40: 59,326,776 km (0.093 R)
• M41: 59,504,947 km (0.111 R)

Asteroid Belt

Center: 7.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27

Radius: 3.2

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.37 AU - 8.23 AU

Year: 15313 Days

Day: 22.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,770,373 km

• M1: 39,943 km (0.079 R)
• M2: 545,883 km (0.12 R)
• M3: 2,402,392 km (0.1 R)
• M4: 2,892,475 km (0.102 R)
• M5: 3,063,914 km (0.11 R)
• M6: 12,274,954 km (0.101 R)
• M7: 15,756,845 km (0.071 R)
• M8: 17,552,019 km (0.1 R)
• M9: 19,178,297 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484

Radius: 6.4

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.77 AU - 10.87 AU

Year: 20000 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,770,373 km

• M1: 79,736 km (0.105 R)
• M2: 389,254 km (0.056 R)
• M3: 820,245 km (0.095 R)
• M4: 1,124,677 km (0.071 R)
• M5: 1,411,905 km (0.117 R)
• M6: 2,579,217 km (0.03 R)
• M7: 6,004,410 km (0.056 R)
• M8: 6,754,643 km (0.101 R)
• M9: 8,694,179 km (0.104 R)
• M10: 9,164,964 km (0.077 R)
• M11: 9,652,503 km (0.112 R)
• M12: 11,037,331 km (0.088 R)
• M13: 12,353,343 km (0.113 R)
• M14: 12,948,294 km (0.046 R)
• M15: 14,410,314 km (0.102 R)
• M16: 16,764,835 km (0.026 R)
• M17: 24,001,034 km (0.105 R)
• M18: 27,844,502 km (0.025 R)
• M19: 42,536,808 km (0.091 R)
• M20: 54,351,749 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit