🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.25 AU - 1.47 AU

Year: 611 Days

Day: 14.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 10.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.67 AU - 6.11 AU

Year: 5504 Days

Day: 9.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 116,499,227 km

• M1: 131,945 km (0.101 R)
• M2: 508,034 km (0.084 R)
• M3: 991,086 km (0.073 R)
• M4: 1,460,075 km (0.091 R)
• M5: 2,889,184 km (0.101 R)
• M6: 4,886,614 km (0.117 R)
• M7: 6,142,638 km (0.116 R)
• M8: 7,038,281 km (0.083 R)
• M9: 7,843,416 km (0.048 R)
• M10: 10,974,799 km (0.088 R)
• M11: 11,779,785 km (0.111 R)
• M12: 12,768,328 km (0.069 R)
• M13: 13,407,410 km (0.072 R)
• M14: 14,067,585 km (0.108 R)
• M15: 15,343,506 km (0.078 R)
• M16: 17,221,557 km (0.11 R)
• M17: 18,123,932 km (0.12 R)
• M18: 19,375,916 km (0.071 R)
• M19: 21,360,631 km (0.114 R)
• M20: 22,543,651 km (0.113 R)
• M21: 23,259,627 km (0.06 R)
• M22: 25,039,841 km (0.109 R)
• M23: 25,421,765 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 13.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.83 AU - 9.19 AU

Year: 7924 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 116,499,227 km

• M1: 167,849 km (0.075 R)
• M2: 868,116 km (0.049 R)
• M3: 1,954,646 km (0.118 R)
• M4: 2,655,512 km (0.092 R)
• M5: 3,219,496 km (0.068 R)
• M6: 5,702,671 km (0.088 R)
• M7: 6,465,770 km (0.076 R)
• M8: 6,986,221 km (0.101 R)
• M9: 7,902,208 km (0.076 R)
• M10: 9,261,604 km (0.104 R)
• M11: 9,827,832 km (0.112 R)
• M12: 10,467,213 km (0.106 R)
• M13: 12,440,260 km (0.094 R)
• M14: 13,130,355 km (0.12 R)
• M15: 13,906,768 km (0.086 R)
• M16: 15,290,099 km (0.055 R)
• M17: 16,420,610 km (0.053 R)
• M18: 16,971,430 km (0.065 R)
• M19: 17,965,208 km (0.068 R)
• M20: 19,681,545 km (0.059 R)
• M21: 22,415,745 km (0.119 R)
• M22: 23,265,760 km (0.11 R)
• M23: 29,024,380 km (0.097 R)
• M24: 29,627,559 km (0.076 R)
• M25: 30,755,228 km (0.071 R)
• M26: 34,198,672 km (0.084 R)
• M27: 36,593,285 km (0.115 R)
• M28: 37,415,774 km (0.09 R)
• M29: 40,205,176 km (0.11 R)
• M30: 41,333,592 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989

Radius: 5.4

Gravity: 33.92 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 15.2 AU - 22.52 AU

Year: 31534 Days

Day: 17.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 116,499,227 km

• M1: 69,264 km (0.062 R)
• M2: 328,966 km (0.06 R)
• M3: 580,739 km (0.117 R)
• M4: 757,564 km (0.074 R)
• M5: 1,290,132 km (0.053 R)
• M6: 4,175,725 km (0.079 R)
• M7: 7,027,061 km (0.112 R)
• M8: 9,131,903 km (0.089 R)
• M9: 11,773,801 km (0.1 R)
• M10: 13,350,264 km (0.074 R)
• M11: 15,421,297 km (0.071 R)
• M12: 16,533,108 km (0.11 R)
• M13: 19,123,245 km (0.102 R)
• M14: 27,548,448 km (0.106 R)
• M15: 33,389,048 km (0.085 R)
• M16: 33,999,407 km (0.067 R)
• M17: 36,194,756 km (0.112 R)
• M18: 38,985,205 km (0.05 R)
• M19: 39,322,698 km (0.098 R)
• M20: 41,739,452 km (0.118 R)
• M21: 43,164,072 km (0.063 R)
• M22: 43,888,425 km (0.077 R)
• M23: 49,778,691 km (0.112 R)
• M24: 50,575,151 km (0.1 R)
• M25: 51,379,987 km (0.106 R)
• M26: 51,582,543 km (0.112 R)
• M27: 54,685,202 km (0.069 R)
• M28: 57,472,660 km (0.077 R)
• M29: 59,234,324 km (0.099 R)
• M30: 70,566,213 km (0.087 R)
• M31: 71,067,516 km (0.118 R)
• M32: 74,902,158 km (0.104 R)
• M33: 76,210,541 km (0.086 R)
• M34: 86,942,094 km (0.107 R)
• M35: 92,816,652 km (0.085 R)
• M36: 94,022,561 km (0.079 R)
• M37: 96,157,771 km (0.11 R)
• M38: 109,316,998 km (0.066 R)
• M39: 116,499,192 km (0.113 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: 343 - 10,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit