🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.3

Radius: 8.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.01 AU - 1.07 AU

Year: 746 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,510,315 km

• M1: 105,616 km (0.096 R)
• M2: 382,372 km (0.106 R)
• M3: 1,022,950 km (0.072 R)
• M4: 1,322,296 km (0.093 R)
• M5: 2,124,589 km (0.066 R)
• M6: 2,569,493 km (0.106 R)
• M7: 2,899,656 km (0.103 R)
• M8: 3,209,323 km (0.035 R)
• M9: 3,509,865 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.7

Radius: 8.6

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.12 AU - 1.5 AU

Year: 1054 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,510,315 km

• M1: 107,710 km (0.117 R)
• M2: 454,179 km (0.066 R)
• M3: 794,963 km (0.116 R)
• M4: 1,067,082 km (0.103 R)
• M5: 1,350,869 km (0.073 R)
• M6: 1,659,938 km (0.107 R)
• M7: 2,085,544 km (0.069 R)
• M8: 3,064,213 km (0.039 R)
• M9: 3,333,639 km (0.05 R)
• M10: 4,046,174 km (0.115 R)
• M11: 4,592,355 km (0.115 R)
• M12: 5,281,403 km (0.077 R)
• M13: 5,591,370 km (0.085 R)
• M14: 5,892,959 km (0.081 R)
• M15: 6,551,040 km (0.049 R)
• M16: 7,987,928 km (0.088 R)
• M17: 8,397,228 km (0.109 R)
• M18: 8,713,328 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 14.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.39 AU - 1.85 AU

Year: 1449 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,510,315 km

• M1: 182,809 km (0.06 R)
• M2: 861,534 km (0.109 R)
• M3: 1,341,295 km (0.119 R)
• M4: 2,186,672 km (0.09 R)
• M5: 2,950,070 km (0.034 R)
• M6: 3,452,569 km (0.078 R)
• M7: 3,949,085 km (0.108 R)
• M8: 4,775,164 km (0.117 R)
• M9: 5,795,870 km (0.119 R)
• M10: 7,882,461 km (0.091 R)
• M11: 9,947,510 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 8.9

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.34 AU - 3.48 AU

Year: 3489 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,510,315 km

• M1: 110,702 km (0.093 R)
• M2: 688,599 km (0.086 R)
• M3: 1,090,568 km (0.097 R)
• M4: 1,449,005 km (0.111 R)
• M5: 1,786,947 km (0.119 R)
• M6: 2,191,310 km (0.115 R)
• M7: 2,920,898 km (0.083 R)
• M8: 3,295,491 km (0.074 R)
• M9: 4,499,904 km (0.097 R)
• M10: 4,854,451 km (0.087 R)
• M11: 5,919,438 km (0.111 R)
• M12: 7,815,292 km (0.101 R)
• M13: 9,730,593 km (0.07 R)
• M14: 10,406,028 km (0.037 R)
• M15: 12,390,892 km (0.082 R)
• M16: 12,806,924 km (0.111 R)
• M17: 13,136,937 km (0.112 R)
• M18: 14,061,153 km (0.088 R)
• M19: 14,412,408 km (0.12 R)
• M20: 15,661,401 km (0.1 R)
• M21: 16,700,209 km (0.111 R)
• M22: 17,208,093 km (0.093 R)
• M23: 19,097,365 km (0.104 R)
• M24: 21,186,499 km (0.074 R)
• M25: 23,005,460 km (0.072 R)
• M26: 23,423,436 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.6

Radius: 9.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.74 AU - 4.2 AU

Year: 4544 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,510,315 km

• M1: 149,448 km (0.08 R)
• M2: 444,306 km (0.082 R)
• M3: 914,492 km (0.083 R)
• M4: 1,615,956 km (0.079 R)
• M5: 1,977,385 km (0.105 R)
• M6: 2,416,754 km (0.08 R)
• M7: 2,731,807 km (0.099 R)
• M8: 3,074,535 km (0.09 R)
• M9: 3,461,246 km (0.047 R)
• M10: 3,813,699 km (0.097 R)
• M11: 4,405,657 km (0.066 R)
• M12: 7,746,926 km (0.106 R)
• M13: 9,289,878 km (0.095 R)
• M14: 10,263,012 km (0.082 R)
• M15: 11,233,603 km (0.107 R)
• M16: 11,794,745 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.1

Radius: 10.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.73 AU - 5.49 AU

Year: 6958 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,510,315 km

• M1: 138,378 km (0.089 R)
• M2: 940,372 km (0.116 R)
• M3: 1,405,322 km (0.111 R)
• M4: 1,837,511 km (0.099 R)
• M5: 3,624,607 km (0.112 R)
• M6: 4,099,730 km (0.098 R)
• M7: 4,672,989 km (0.07 R)
• M8: 6,466,069 km (0.086 R)
• M9: 7,244,127 km (0.058 R)
• M10: 7,756,350 km (0.11 R)
• M11: 8,853,651 km (0.106 R)
• M12: 9,393,699 km (0.089 R)
• M13: 9,765,749 km (0.112 R)
• M14: 10,789,746 km (0.112 R)
• M15: 11,617,023 km (0.104 R)
• M16: 16,735,963 km (0.069 R)
• M17: 19,446,078 km (0.118 R)
• M18: 23,355,968 km (0.073 R)
• M19: 27,100,253 km (0.08 R)
• M20: 28,529,212 km (0.108 R)
• M21: 29,311,608 km (0.116 R)
• M22: 30,108,217 km (0.068 R)
• M23: 30,613,259 km (0.11 R)
• M24: 32,796,940 km (0.051 R)
• M25: 33,224,341 km (0.062 R)
• M26: 36,663,745 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.1

Radius: 4.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.78 AU - 7.62 AU

Year: 13580 Days

Day: 19.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,510,315 km

• M1: 61,036 km (0.072 R)
• M2: 309,817 km (0.088 R)
• M3: 1,113,607 km (0.086 R)
• M4: 1,664,276 km (0.093 R)
• M5: 1,887,327 km (0.106 R)
• M6: 2,211,206 km (0.104 R)
• M7: 2,379,504 km (0.109 R)
• M8: 3,003,177 km (0.087 R)
• M9: 3,174,766 km (0.107 R)
• M10: 3,500,441 km (0.119 R)
• M11: 4,282,239 km (0.11 R)
• M12: 4,455,922 km (0.064 R)
• M13: 5,446,858 km (0.089 R)
• M14: 6,519,326 km (0.035 R)
• M15: 7,442,045 km (0.053 R)
• M16: 7,693,669 km (0.111 R)
• M17: 8,016,052 km (0.069 R)
• M18: 9,180,223 km (0.111 R)
• M19: 9,506,346 km (0.09 R)
• M20: 12,977,316 km (0.106 R)
• M21: 18,437,339 km (0.086 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 13,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit