🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.2

Radius: 8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 10.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 130.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,561,683 km

• M1: 105,317 km (0.115 R)
• M2: 370,404 km (0.097 R)
• M3: 656,286 km (0.099 R)
• M4: 983,756 km (0.026 R)
• M5: 1,309,281 km (0.095 R)
• M6: 1,814,323 km (0.077 R)
• M7: 2,112,472 km (0.085 R)
• M8: 2,473,750 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.8

Radius: 14.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.79 AU - 0.87 AU

Year: 504 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,561,683 km

• M1: 181,612 km (0.11 R)
• M2: 723,306 km (0.111 R)
• M3: 1,255,276 km (0.091 R)
• M4: 1,719,478 km (0.098 R)
• M5: 2,252,046 km (0.081 R)
• M6: 2,856,272 km (0.085 R)
• M7: 4,409,248 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.1

Radius: 13.7

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.35 AU - 1.39 AU

Year: 1069 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,561,683 km

• M1: 170,392 km (0.11 R)
• M2: 686,804 km (0.077 R)
• M3: 1,165,367 km (0.082 R)
• M4: 1,671,008 km (0.038 R)
• M5: 2,198,341 km (0.096 R)
• M6: 2,681,243 km (0.105 R)
• M7: 3,166,389 km (0.092 R)
• M8: 3,646,747 km (0.083 R)
• M9: 4,093,447 km (0.1 R)
• M10: 4,710,987 km (0.089 R)
• M11: 5,797,366 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 14.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.9 AU - 4.08 AU

Year: 5315 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,561,683 km

• M1: 185,352 km (0.076 R)
• M2: 885,919 km (0.115 R)
• M3: 1,379,891 km (0.064 R)
• M4: 2,132,218 km (0.109 R)
• M5: 3,076,181 km (0.11 R)
• M6: 4,063,228 km (0.113 R)
• M7: 4,751,528 km (0.102 R)
• M8: 5,463,314 km (0.081 R)
• M9: 5,929,611 km (0.073 R)
• M10: 6,422,536 km (0.105 R)
• M11: 7,557,834 km (0.111 R)
• M12: 8,494,317 km (0.104 R)
• M13: 8,972,132 km (0.102 R)
• M14: 10,184,623 km (0.074 R)
• M15: 10,809,493 km (0.063 R)
• M16: 11,637,518 km (0.082 R)
• M17: 12,367,406 km (0.101 R)
• M18: 13,668,159 km (0.082 R)
• M19: 18,421,781 km (0.052 R)
• M20: 19,350,933 km (0.053 R)
• M21: 21,437,674 km (0.108 R)
• M22: 24,033,048 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.7

Radius: 8.5

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.56 AU - 5.48 AU

Year: 6408 Days

Day: 10.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,561,683 km

• M1: 105,766 km (0.079 R)
• M2: 452,384 km (0.109 R)
• M3: 831,465 km (0.113 R)
• M4: 1,318,406 km (0.051 R)
• M5: 1,584,092 km (0.086 R)
• M6: 2,164,232 km (0.106 R)
• M7: 2,624,994 km (0.108 R)
• M8: 3,149,783 km (0.076 R)
• M9: 3,609,946 km (0.03 R)
• M10: 4,114,241 km (0.079 R)
• M11: 4,459,064 km (0.095 R)
• M12: 5,581,347 km (0.116 R)
• M13: 5,942,925 km (0.05 R)
• M14: 6,288,047 km (0.066 R)
• M15: 7,157,361 km (0.049 R)
• M16: 8,412,038 km (0.091 R)
• M17: 10,068,834 km (0.107 R)
• M18: 10,334,969 km (0.051 R)
• M19: 12,841,780 km (0.09 R)
• M20: 13,796,664 km (0.113 R)
• M21: 14,402,984 km (0.071 R)
• M22: 16,329,056 km (0.114 R)
• M23: 23,592,033 km (0.091 R)
• M24: 24,618,723 km (0.07 R)
• M25: 25,592,605 km (0.071 R)
• M26: 27,530,795 km (0.106 R)
• M27: 30,295,065 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.9

Radius: 7.2

Gravity: 18.27 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.97 AU - 7.23 AU

Year: 10047 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,561,683 km

• M1: 89,609 km (0.12 R)
• M2: 965,804 km (0.107 R)
• M3: 1,407,267 km (0.101 R)
• M4: 2,028,697 km (0.118 R)
• M5: 2,626,191 km (0.047 R)
• M6: 4,136,680 km (0.09 R)
• M7: 5,159,780 km (0.117 R)
• M8: 7,017,038 km (0.096 R)
• M9: 7,871,391 km (0.105 R)
• M10: 8,556,400 km (0.116 R)
• M11: 11,581,867 km (0.098 R)
• M12: 16,028,365 km (0.046 R)
• M13: 21,845,627 km (0.108 R)
• M14: 22,378,495 km (0.075 R)
• M15: 27,776,435 km (0.079 R)
• M16: 29,464,647 km (0.117 R)
• M17: 35,058,859 km (0.064 R)
• M18: 48,440,688 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 16,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit