🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 11.8

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.14 AU - 1.7 AU

Year: 1148 Days

Day: 7.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,423,090 km

• M1: 149,747 km (0.05 R)
• M2: 553,811 km (0.114 R)
• M3: 959,371 km (0.075 R)
• M4: 1,606,083 km (0.103 R)
• M5: 2,205,222 km (0.029 R)
• M6: 2,922,544 km (0.082 R)
• M7: 3,585,113 km (0.096 R)
• M8: 4,652,643 km (0.097 R)
• M9: 7,638,318 km (0.102 R)
• M10: 8,196,767 km (0.112 R)
• M11: 8,782,143 km (0.117 R)
• M12: 11,509,761 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 8.8

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.42 AU - 3.9 AU

Year: 3810 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,423,090 km

• M1: 111,450 km (0.06 R)
• M2: 706,850 km (0.102 R)
• M3: 1,004,849 km (0.093 R)
• M4: 1,568,085 km (0.103 R)
• M5: 2,423,037 km (0.043 R)
• M6: 3,355,929 km (0.076 R)
• M7: 4,223,447 km (0.111 R)
• M8: 4,584,726 km (0.099 R)
• M9: 5,970,750 km (0.084 R)
• M10: 6,615,667 km (0.105 R)
• M11: 6,906,036 km (0.073 R)
• M12: 7,616,776 km (0.056 R)
• M13: 10,000,468 km (0.104 R)
• M14: 10,556,972 km (0.115 R)
• M15: 11,179,150 km (0.093 R)
• M16: 12,941,562 km (0.079 R)
• M17: 13,862,636 km (0.08 R)
• M18: 15,777,938 km (0.088 R)
• M19: 17,249,532 km (0.11 R)
• M20: 19,791,349 km (0.072 R)
• M21: 20,736,958 km (0.11 R)
• M22: 21,925,363 km (0.037 R)
• M23: 25,289,520 km (0.045 R)
• M24: 25,842,135 km (0.088 R)
• M25: 26,726,557 km (0.054 R)
• M26: 27,631,176 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 12.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.11 AU - 5.41 AU

Year: 8182 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,423,090 km

• M1: 154,235 km (0.075 R)
• M2: 640,428 km (0.102 R)
• M3: 1,050,626 km (0.105 R)
• M4: 1,718,281 km (0.104 R)
• M5: 2,172,610 km (0.071 R)
• M6: 3,054,190 km (0.06 R)
• M7: 3,451,821 km (0.042 R)
• M8: 3,906,898 km (0.068 R)
• M9: 4,833,058 km (0.041 R)
• M10: 6,916,059 km (0.077 R)
• M11: 7,536,741 km (0.105 R)
• M12: 8,269,471 km (0.11 R)
• M13: 9,049,325 km (0.045 R)
• M14: 9,457,278 km (0.087 R)
• M15: 10,442,530 km (0.105 R)
• M16: 10,891,772 km (0.068 R)
• M17: 12,516,555 km (0.072 R)
• M18: 13,075,303 km (0.099 R)
• M19: 15,478,742 km (0.042 R)
• M20: 19,145,087 km (0.069 R)
• M21: 20,162,352 km (0.077 R)
• M22: 20,860,226 km (0.096 R)
• M23: 21,864,178 km (0.05 R)
• M24: 23,202,181 km (0.096 R)
• M25: 25,633,296 km (0.049 R)
• M26: 27,799,324 km (0.068 R)
• M27: 29,280,043 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.7

Radius: 5.9

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.37 AU - 6.21 AU

Year: 9450 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,423,090 km

• M1: 73,752 km (0.106 R)
• M2: 273,914 km (0.049 R)
• M3: 947,703 km (0.101 R)
• M4: 1,137,393 km (0.055 R)
• M5: 1,705,715 km (0.057 R)
• M6: 1,896,751 km (0.072 R)
• M7: 2,168,272 km (0.095 R)
• M8: 2,375,315 km (0.043 R)
• M9: 2,671,968 km (0.03 R)
• M10: 3,163,097 km (0.119 R)
• M11: 4,323,528 km (0.091 R)
• M12: 5,148,710 km (0.107 R)
• M13: 6,810,293 km (0.11 R)
• M14: 6,994,000 km (0.114 R)
• M15: 9,420,028 km (0.08 R)
• M16: 10,746,662 km (0.101 R)
• M17: 10,945,927 km (0.025 R)
• M18: 12,629,351 km (0.096 R)
• M19: 13,132,150 km (0.055 R)
• M20: 13,648,412 km (0.08 R)
• M21: 14,237,678 km (0.113 R)
• M22: 17,236,367 km (0.115 R)
• M23: 17,509,533 km (0.068 R)
• M24: 18,631,068 km (0.074 R)
• M25: 21,094,197 km (0.06 R)
• M26: 24,877,827 km (0.083 R)
• M27: 26,203,114 km (0.065 R)
• M28: 28,231,213 km (0.05 R)
• M29: 33,330,256 km (0.11 R)
• M30: 34,721,666 km (0.081 R)
• M31: 35,486,859 km (0.112 R)
• M32: 37,164,001 km (0.112 R)
• M33: 37,849,458 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.3

Radius: 3.2

Gravity: 56.38 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.73 AU - 8.65 AU

Year: 15897 Days

Day: 18.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,423,090 km

• M1: 42,037 km (0.12 R)
• M2: 353,350 km (0.118 R)
• M3: 540,348 km (0.082 R)
• M4: 839,693 km (0.072 R)
• M5: 1,049,728 km (0.06 R)
• M6: 1,638,097 km (0.117 R)
• M7: 4,838,145 km (0.099 R)
• M8: 6,520,522 km (0.11 R)
• M9: 7,027,510 km (0.088 R)
• M10: 8,263,487 km (0.096 R)
• M11: 8,705,698 km (0.08 R)
• M12: 9,215,229 km (0.108 R)
• M13: 32,914,673 km (0.032 R)
• M14: 38,426,008 km (0.03 R)
• M15: 39,240,718 km (0.055 R)
• M16: 40,344,900 km (0.112 R)
• M17: 57,515,594 km (0.062 R)
• M18: 58,224,389 km (0.116 R)
• M19: 58,759,949 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.9

Radius: 6.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.67 AU - 11.51 AU

Year: 21738 Days

Day: 16.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,423,090 km

• M1: 85,271 km (0.098 R)
• M2: 416,480 km (0.091 R)
• M3: 911,051 km (0.12 R)
• M4: 1,225,506 km (0.096 R)
• M5: 2,482,577 km (0.051 R)
• M6: 3,791,259 km (0.029 R)
• M7: 4,172,733 km (0.109 R)
• M8: 5,044,141 km (0.101 R)
• M9: 5,337,802 km (0.113 R)
• M10: 6,551,639 km (0.081 R)
• M11: 7,141,653 km (0.117 R)
• M12: 8,158,619 km (0.097 R)
• M13: 10,216,637 km (0.101 R)
• M14: 11,448,575 km (0.079 R)
• M15: 12,361,870 km (0.108 R)
• M16: 14,332,822 km (0.064 R)
• M17: 15,597,373 km (0.12 R)
• M18: 15,872,783 km (0.069 R)
• M19: 16,790,267 km (0.045 R)
• M20: 24,687,987 km (0.11 R)
• M21: 28,397,266 km (0.078 R)
• M22: 35,932,212 km (0.078 R)
• M23: 39,260,166 km (0.105 R)
• M24: 40,413,715 km (0.094 R)
• M25: 40,803,118 km (0.051 R)
• M26: 47,092,512 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 12,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit