🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 13.2

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.97 AU - 1.23 AU

Year: 796 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,303,134 km

• M1: 167,250 km (0.105 R)
• M2: 1,244,804 km (0.103 R)
• M3: 1,695,393 km (0.066 R)
• M4: 2,429,170 km (0.113 R)
• M5: 2,864,650 km (0.106 R)
• M6: 4,084,620 km (0.062 R)
• M7: 4,653,391 km (0.077 R)
• M8: 6,375,263 km (0.11 R)
• M9: 6,865,345 km (0.117 R)
• M10: 7,477,051 km (0.101 R)
• M11: 8,621,774 km (0.108 R)
• M12: 9,618,993 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 14.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.99 AU - 3.19 AU

Year: 3749 Days

Day: 7.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,303,134 km

• M1: 185,352 km (0.046 R)
• M2: 868,266 km (0.108 R)
• M3: 1,334,114 km (0.115 R)
• M4: 2,664,039 km (0.052 R)
• M5: 3,714,515 km (0.033 R)
• M6: 5,398,688 km (0.078 R)
• M7: 6,399,049 km (0.072 R)
• M8: 6,970,812 km (0.111 R)
• M9: 7,463,737 km (0.069 R)
• M10: 8,862,178 km (0.097 R)
• M11: 10,115,658 km (0.076 R)
• M12: 10,857,514 km (0.118 R)
• M13: 12,689,939 km (0.06 R)
• M14: 15,306,405 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 8.6

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.22 AU - 3.46 AU

Year: 4213 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,303,134 km

• M1: 106,962 km (0.082 R)
• M2: 480,658 km (0.12 R)
• M3: 796,459 km (0.105 R)
• M4: 1,931,907 km (0.062 R)
• M5: 2,361,702 km (0.102 R)
• M6: 2,800,173 km (0.045 R)
• M7: 3,774,504 km (0.071 R)
• M8: 4,673,886 km (0.069 R)
• M9: 4,959,319 km (0.072 R)
• M10: 5,339,298 km (0.084 R)
• M11: 5,738,724 km (0.094 R)
• M12: 7,091,537 km (0.086 R)
• M13: 7,365,002 km (0.109 R)
• M14: 8,340,231 km (0.085 R)
• M15: 8,878,783 km (0.062 R)
• M16: 10,589,584 km (0.081 R)
• M17: 14,107,678 km (0.08 R)
• M18: 14,486,459 km (0.045 R)
• M19: 15,095,622 km (0.1 R)
• M20: 18,081,296 km (0.073 R)
• M21: 18,917,698 km (0.068 R)
• M22: 19,779,681 km (0.114 R)
• M23: 22,084,984 km (0.07 R)
• M24: 28,149,383 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.3

Radius: 5.1

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.98 AU - 8.78 AU

Year: 16745 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,303,134 km

• M1: 142,567 km (0.084 R)
• M2: 410,646 km (0.118 R)
• M3: 917,185 km (0.103 R)
• M4: 1,623,735 km (0.069 R)
• M5: 4,182,607 km (0.087 R)
• M6: 4,344,771 km (0.117 R)
• M7: 4,827,374 km (0.071 R)
• M8: 5,036,212 km (0.062 R)
• M9: 6,744,770 km (0.06 R)
• M10: 7,588,502 km (0.109 R)
• M11: 7,749,170 km (0.106 R)
• M12: 7,912,082 km (0.096 R)
• M13: 9,299,303 km (0.088 R)
• M14: 9,483,458 km (0.093 R)
• M15: 10,098,604 km (0.101 R)
• M16: 12,268,222 km (0.056 R)
• M17: 12,601,526 km (0.091 R)
• M18: 15,233,252 km (0.104 R)
• M19: 16,075,937 km (0.116 R)
• M20: 16,744,789 km (0.075 R)
• M21: 23,113,918 km (0.106 R)
• M22: 25,640,626 km (0.069 R)
• M23: 26,460,722 km (0.07 R)
• M24: 27,866,194 km (0.09 R)
• M25: 31,131,915 km (0.091 R)
• M26: 31,440,984 km (0.083 R)
• M27: 38,057,998 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126

Radius: 5.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.21 AU - 10.01 AU

Year: 17439 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,303,134 km

• M1: 120,127 km (0.077 R)
• M2: 419,472 km (0.056 R)
• M3: 920,924 km (0.104 R)
• M4: 1,628,074 km (0.118 R)
• M5: 2,078,214 km (0.032 R)
• M6: 2,385,637 km (0.111 R)
• M7: 2,569,343 km (0.101 R)
• M8: 3,562,823 km (0.089 R)
• M9: 3,730,073 km (0.117 R)
• M10: 5,419,183 km (0.089 R)
• M11: 5,705,364 km (0.116 R)
• M12: 5,901,636 km (0.115 R)
• M13: 7,101,112 km (0.1 R)
• M14: 7,328,500 km (0.105 R)
• M15: 8,970,636 km (0.097 R)
• M16: 9,326,230 km (0.059 R)
• M17: 11,452,166 km (0.113 R)
• M18: 11,817,783 km (0.075 R)
• M19: 13,301,345 km (0.091 R)
• M20: 13,531,277 km (0.109 R)
• M21: 13,763,752 km (0.095 R)
• M22: 15,977,950 km (0.074 R)
• M23: 17,373,399 km (0.073 R)
• M24: 17,648,210 km (0.106 R)
• M25: 21,805,086 km (0.053 R)
• M26: 22,205,111 km (0.097 R)
• M27: 25,584,228 km (0.064 R)
• M28: 26,119,040 km (0.093 R)
• M29: 31,780,422 km (0.082 R)
• M30: 33,551,661 km (0.117 R)
• M31: 34,949,653 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.7

Radius: 5.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.31 AU - 10.63 AU

Year: 20116 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,303,134 km

• M1: 64,776 km (0.102 R)
• M2: 254,616 km (0.098 R)
• M3: 631,901 km (0.093 R)
• M4: 1,047,035 km (0.065 R)
• M5: 1,513,182 km (0.12 R)
• M6: 1,777,821 km (0.116 R)
• M7: 3,465,435 km (0.093 R)
• M8: 4,143,711 km (0.107 R)
• M9: 5,934,099 km (0.113 R)
• M10: 8,449,737 km (0.071 R)
• M11: 10,577,317 km (0.105 R)
• M12: 11,214,305 km (0.068 R)
• M13: 12,332,250 km (0.03 R)
• M14: 12,681,561 km (0.086 R)
• M15: 12,918,225 km (0.082 R)
• M16: 13,218,019 km (0.057 R)
• M17: 14,208,656 km (0.111 R)
• M18: 16,476,709 km (0.064 R)
• M19: 18,898,101 km (0.094 R)
• M20: 23,889,733 km (0.098 R)
• M21: 24,798,989 km (0.055 R)
• M22: 29,177,569 km (0.053 R)
• M23: 33,817,347 km (0.035 R)
• M24: 36,609,292 km (0.057 R)
• M25: 44,661,397 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 18,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit