🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 13.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 14.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,869,688 km

• M1: 171,589 km (0.117 R)
• M2: 665,860 km (0.034 R)
• M3: 1,126,322 km (0.065 R)
• M4: 1,559,558 km (0.109 R)
• M5: 2,039,617 km (0.08 R)
• M6: 2,508,756 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.87 AU - 1.21 AU

Year: 707 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,869,688 km

• M1: 112,049 km (0.075 R)
• M2: 473,328 km (0.113 R)
• M3: 885,919 km (0.106 R)
• M4: 1,224,758 km (0.112 R)
• M5: 2,028,248 km (0.031 R)
• M6: 3,047,309 km (0.086 R)
• M7: 3,509,865 km (0.108 R)
• M8: 3,926,346 km (0.117 R)
• M9: 5,074,061 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.6

Radius: 14.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.83 AU - 1.35 AU

Year: 759 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,869,688 km

• M1: 182,809 km (0.083 R)
• M2: 652,097 km (0.104 R)
• M3: 1,227,899 km (0.036 R)
• M4: 1,887,476 km (0.047 R)
• M5: 2,464,176 km (0.045 R)
• M6: 3,084,409 km (0.087 R)
• M7: 3,572,696 km (0.092 R)
• M8: 4,577,994 km (0.082 R)
• M9: 5,095,603 km (0.059 R)
• M10: 5,783,454 km (0.077 R)
• M11: 6,329,486 km (0.108 R)
• M12: 6,867,290 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.8

Radius: 14.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.96 AU - 2.9 AU

Year: 2526 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,869,688 km

• M1: 182,509 km (0.032 R)
• M2: 838,496 km (0.098 R)
• M3: 1,928,466 km (0.08 R)
• M4: 3,269,461 km (0.063 R)
• M5: 4,367,809 km (0.108 R)
• M6: 5,437,583 km (0.066 R)
• M7: 5,949,807 km (0.044 R)
• M8: 6,629,878 km (0.116 R)
• M9: 7,410,480 km (0.074 R)
• M10: 7,912,830 km (0.106 R)
• M11: 8,545,778 km (0.1 R)
• M12: 9,240,960 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.5

Radius: 7.1

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.28 AU - 8.68 AU

Year: 12297 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,869,688 km

• M1: 88,263 km (0.11 R)
• M2: 310,715 km (0.1 R)
• M3: 1,883,736 km (0.108 R)
• M4: 2,750,506 km (0.075 R)
• M5: 3,167,735 km (0.059 R)
• M6: 4,646,510 km (0.115 R)
• M7: 5,369,816 km (0.066 R)
• M8: 7,158,109 km (0.119 R)
• M9: 7,442,494 km (0.086 R)
• M10: 7,990,621 km (0.09 R)
• M11: 10,046,993 km (0.097 R)
• M12: 12,666,452 km (0.041 R)
• M13: 13,082,932 km (0.07 R)
• M14: 15,913,922 km (0.09 R)
• M15: 21,135,486 km (0.099 R)
• M16: 23,724,128 km (0.107 R)
• M17: 27,494,144 km (0.112 R)
• M18: 30,253,327 km (0.114 R)
• M19: 31,754,093 km (0.078 R)
• M20: 37,641,367 km (0.109 R)
• M21: 39,000,165 km (0.082 R)
• M22: 39,376,254 km (0.117 R)
• M23: 40,008,604 km (0.086 R)
• M24: 42,473,229 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.6

Radius: 7.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.55 AU - 12.45 AU

Year: 22689 Days

Day: 19 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,869,688 km

• M1: 90,806 km (0.113 R)
• M2: 528,978 km (0.037 R)
• M3: 829,221 km (0.119 R)
• M4: 1,614,610 km (0.061 R)
• M5: 2,865,547 km (0.108 R)
• M6: 3,866,207 km (0.082 R)
• M7: 5,284,844 km (0.095 R)
• M8: 5,563,096 km (0.09 R)
• M9: 5,814,420 km (0.077 R)
• M10: 7,486,177 km (0.079 R)
• M11: 8,338,735 km (0.11 R)
• M12: 9,762,458 km (0.063 R)
• M13: 10,559,216 km (0.088 R)
• M14: 11,456,055 km (0.034 R)
• M15: 15,839,572 km (0.112 R)
• M16: 16,492,567 km (0.061 R)
• M17: 18,164,473 km (0.117 R)
• M18: 18,960,633 km (0.106 R)
• M19: 20,965,842 km (0.066 R)
• M20: 23,108,383 km (0.041 R)
• M21: 26,086,278 km (0.061 R)
• M22: 26,996,432 km (0.04 R)
• M23: 28,987,430 km (0.075 R)
• M24: 35,790,991 km (0.114 R)
• M25: 36,788,360 km (0.085 R)
• M26: 40,693,912 km (0.104 R)
• M27: 49,623,558 km (0.105 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: 350 - 12,877 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit