🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 9.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 8.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 33,596,794 km

• M1: 114,442 km (0.055 R)
• M2: 431,291 km (0.103 R)
• M3: 724,353 km (0.114 R)
• M4: 1,362,687 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 11

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.55 AU - 0.79 AU

Year: 372 Days

Day: 6.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,596,794 km

• M1: 136,732 km (0.096 R)
• M2: 548,276 km (0.072 R)
• M3: 892,202 km (0.106 R)
• M4: 1,253,481 km (0.114 R)
• M5: 1,782,159 km (0.063 R)
• M6: 2,519,079 km (0.042 R)
• M7: 3,003,327 km (0.108 R)
• M8: 3,389,439 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.1

Radius: 11.9

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.69 AU - 1.73 AU

Year: 1517 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,596,794 km

• M1: 151,543 km (0.095 R)
• M2: 533,167 km (0.087 R)
• M3: 918,531 km (0.119 R)
• M4: 1,430,156 km (0.059 R)
• M5: 1,852,470 km (0.115 R)
• M6: 2,358,710 km (0.058 R)
• M7: 3,307,459 km (0.086 R)
• M8: 4,114,091 km (0.101 R)
• M9: 5,485,156 km (0.08 R)
• M10: 5,900,888 km (0.101 R)
• M11: 6,743,872 km (0.089 R)
• M12: 7,637,270 km (0.043 R)
• M13: 8,156,973 km (0.078 R)
• M14: 8,577,344 km (0.081 R)
• M15: 10,686,823 km (0.1 R)
• M16: 11,560,624 km (0.093 R)
• M17: 14,425,423 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 11.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.66 AU - 5 AU

Year: 7200 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,596,794 km

• M1: 138,228 km (0.027 R)
• M2: 508,483 km (0.076 R)
• M3: 986,149 km (0.108 R)
• M4: 2,004,163 km (0.11 R)
• M5: 2,582,059 km (0.084 R)
• M6: 3,204,985 km (0.075 R)
• M7: 4,097,186 km (0.042 R)
• M8: 4,642,321 km (0.102 R)
• M9: 5,060,746 km (0.097 R)
• M10: 5,534,972 km (0.116 R)
• M11: 6,641,697 km (0.106 R)
• M12: 7,583,266 km (0.112 R)
• M13: 7,929,136 km (0.096 R)
• M14: 9,730,444 km (0.03 R)
• M15: 10,371,770 km (0.11 R)
• M16: 11,286,860 km (0.04 R)
• M17: 13,556,260 km (0.098 R)
• M18: 14,414,802 km (0.12 R)
• M19: 15,863,657 km (0.115 R)
• M20: 17,808,280 km (0.066 R)
• M21: 18,284,001 km (0.111 R)
• M22: 19,261,025 km (0.115 R)
• M23: 22,087,826 km (0.09 R)
• M24: 23,600,261 km (0.07 R)
• M25: 25,436,276 km (0.077 R)
• M26: 29,015,554 km (0.069 R)
• M27: 31,811,389 km (0.099 R)
• M28: 33,737,611 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 9.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.19 AU - 5.61 AU

Year: 7357 Days

Day: 11.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,596,794 km

• M1: 114,293 km (0.097 R)
• M2: 487,839 km (0.064 R)
• M3: 1,223,711 km (0.064 R)
• M4: 1,586,186 km (0.112 R)
• M5: 2,278,974 km (0.036 R)
• M6: 3,177,608 km (0.03 R)
• M7: 4,212,676 km (0.066 R)
• M8: 5,966,561 km (0.117 R)
• M9: 7,256,694 km (0.091 R)
• M10: 7,746,477 km (0.091 R)
• M11: 8,160,414 km (0.095 R)
• M12: 8,622,672 km (0.07 R)
• M13: 11,565,860 km (0.101 R)
• M14: 12,621,872 km (0.111 R)
• M15: 15,218,292 km (0.03 R)
• M16: 15,516,142 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 13.8

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.91 AU - 6.07 AU

Year: 7560 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,596,794 km

• M1: 212,728 km (0.119 R)
• M2: 1,133,503 km (0.085 R)
• M3: 1,691,802 km (0.045 R)
• M4: 2,320,861 km (0.107 R)
• M5: 4,322,481 km (0.065 R)
• M6: 4,947,650 km (0.119 R)
• M7: 6,977,843 km (0.1 R)
• M8: 7,688,134 km (0.047 R)
• M9: 8,179,264 km (0.116 R)
• M10: 8,885,366 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.9

Radius: 12

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.81 AU - 5.25 AU

Year: 7651 Days

Day: 13.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,596,794 km

• M1: 149,299 km (0.097 R)
• M2: 883,525 km (0.101 R)
• M3: 1,498,971 km (0.113 R)
• M4: 1,984,565 km (0.105 R)
• M5: 4,852,207 km (0.077 R)
• M6: 6,181,833 km (0.114 R)
• M7: 7,266,118 km (0.1 R)
• M8: 11,523,674 km (0.111 R)
• M9: 12,120,419 km (0.073 R)
• M10: 12,790,169 km (0.106 R)
• M11: 14,316,516 km (0.111 R)
• M12: 16,205,638 km (0.106 R)
• M13: 17,662,572 km (0.071 R)
• M14: 19,691,867 km (0.064 R)
• M15: 22,942,778 km (0.052 R)
• M16: 25,437,472 km (0.066 R)
• M17: 28,645,599 km (0.068 R)
• M18: 30,865,182 km (0.116 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: 361 - 19,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit