🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.4

Radius: 9.1

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.12 AU - 1.4 AU

Year: 899 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 147 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,391,741 km

• M1: 113,246 km (0.083 R)
• M2: 609,911 km (0.11 R)
• M3: 957,426 km (0.062 R)
• M4: 1,288,486 km (0.083 R)
• M5: 2,072,379 km (0.046 R)
• M6: 2,799,425 km (0.031 R)
• M7: 3,504,181 km (0.104 R)
• M8: 4,164,954 km (0.094 R)
• M9: 4,700,515 km (0.061 R)
• M10: 5,447,906 km (0.042 R)
• M11: 6,586,196 km (0.095 R)
• M12: 7,732,714 km (0.055 R)
• M13: 8,593,051 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.2

Radius: 10.2

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.23 AU - 1.49 AU

Year: 1008 Days

Day: 8.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,391,741 km

• M1: 126,859 km (0.103 R)
• M2: 495,618 km (0.086 R)
• M3: 911,350 km (0.029 R)
• M4: 1,228,498 km (0.051 R)
• M5: 2,108,432 km (0.118 R)
• M6: 2,530,149 km (0.104 R)
• M7: 4,043,182 km (0.114 R)
• M8: 4,389,052 km (0.042 R)
• M9: 4,773,518 km (0.047 R)
• M10: 5,260,609 km (0.103 R)
• M11: 6,707,221 km (0.113 R)
• M12: 7,094,679 km (0.074 R)
• M13: 7,782,530 km (0.117 R)
• M14: 8,320,185 km (0.095 R)
• M15: 8,882,523 km (0.105 R)
• M16: 10,624,890 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.4

Radius: 11.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.24 AU - 1.78 AU

Year: 1180 Days

Day: 10.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,391,741 km

• M1: 141,819 km (0.111 R)
• M2: 499,058 km (0.031 R)
• M3: 916,137 km (0.085 R)
• M4: 1,813,874 km (0.096 R)
• M5: 3,088,897 km (0.092 R)
• M6: 4,484,944 km (0.088 R)
• M7: 5,266,743 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 12.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.57 AU - 3.71 AU

Year: 3538 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,391,741 km

• M1: 157,975 km (0.06 R)
• M2: 712,983 km (0.101 R)
• M3: 1,269,488 km (0.03 R)
• M4: 1,678,787 km (0.115 R)
• M5: 2,110,527 km (0.061 R)
• M6: 2,875,121 km (0.09 R)
• M7: 3,276,792 km (0.111 R)
• M8: 3,776,449 km (0.03 R)
• M9: 4,762,598 km (0.109 R)
• M10: 6,192,604 km (0.051 R)
• M11: 6,687,922 km (0.08 R)
• M12: 7,529,261 km (0.118 R)
• M13: 8,335,145 km (0.109 R)
• M14: 9,844,138 km (0.108 R)
• M15: 11,185,283 km (0.111 R)
• M16: 12,691,135 km (0.093 R)
• M17: 13,444,809 km (0.111 R)
• M18: 14,428,715 km (0.115 R)
• M19: 15,939,803 km (0.12 R)
• M20: 17,211,235 km (0.118 R)
• M21: 18,252,735 km (0.075 R)
• M22: 18,668,917 km (0.118 R)
• M23: 22,979,729 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.1

Radius: 14.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.25 AU - 4.79 AU

Year: 6110 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,391,741 km

• M1: 181,612 km (0.117 R)
• M2: 835,355 km (0.052 R)
• M3: 1,749,248 km (0.044 R)
• M4: 3,057,182 km (0.109 R)
• M5: 5,057,904 km (0.114 R)
• M6: 6,071,280 km (0.044 R)
• M7: 8,377,780 km (0.066 R)
• M8: 10,162,782 km (0.057 R)
• M9: 12,940,066 km (0.069 R)
• M10: 13,438,526 km (0.113 R)
• M11: 19,513,397 km (0.104 R)
• M12: 20,169,982 km (0.118 R)
• M13: 22,784,055 km (0.11 R)
• M14: 30,879,843 km (0.102 R)
• M15: 32,783,326 km (0.03 R)
• M16: 35,513,338 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.9

Radius: 11.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.71 AU - 5.47 AU

Year: 7301 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,391,741 km

• M1: 144,362 km (0.078 R)
• M2: 587,770 km (0.075 R)
• M3: 1,167,462 km (0.077 R)
• M4: 1,541,307 km (0.106 R)
• M5: 2,797,480 km (0.12 R)
• M6: 3,282,177 km (0.09 R)
• M7: 3,735,608 km (0.041 R)
• M8: 4,114,540 km (0.084 R)
• M9: 5,779,115 km (0.031 R)
• M10: 6,538,175 km (0.098 R)
• M11: 7,397,016 km (0.062 R)
• M12: 7,817,985 km (0.067 R)
• M13: 8,255,110 km (0.05 R)
• M14: 8,785,434 km (0.058 R)
• M15: 9,460,121 km (0.089 R)
• M16: 11,786,816 km (0.083 R)
• M17: 14,309,784 km (0.08 R)
• M18: 14,689,763 km (0.085 R)
• M19: 17,356,345 km (0.043 R)
• M20: 21,089,261 km (0.09 R)
• M21: 22,371,165 km (0.069 R)
• M22: 23,628,984 km (0.059 R)
• M23: 24,622,314 km (0.105 R)
• M24: 25,405,159 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.7

Radius: 5.8

Gravity: 24.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.08 AU - 10.22 AU

Year: 17598 Days

Day: 19.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,391,741 km

• M1: 72,854 km (0.113 R)
• M2: 675,883 km (0.046 R)
• M3: 1,192,445 km (0.096 R)
• M4: 1,393,953 km (0.099 R)
• M5: 1,848,132 km (0.072 R)
• M6: 2,119,802 km (0.065 R)
• M7: 2,743,924 km (0.066 R)
• M8: 4,347,913 km (0.116 R)
• M9: 4,759,157 km (0.094 R)
• M10: 5,195,983 km (0.109 R)
• M11: 5,580,150 km (0.066 R)
• M12: 5,779,265 km (0.059 R)
• M13: 6,276,379 km (0.045 R)
• M14: 8,345,616 km (0.117 R)
• M15: 10,707,617 km (0.05 R)
• M16: 11,843,963 km (0.093 R)
• M17: 14,132,062 km (0.11 R)
• M18: 15,496,694 km (0.119 R)
• M19: 18,485,360 km (0.068 R)
• M20: 21,640,828 km (0.111 R)
• M21: 21,836,951 km (0.096 R)
• M22: 22,133,304 km (0.115 R)
• M23: 25,681,766 km (0.111 R)
• M24: 25,901,675 km (0.117 R)
• M25: 27,936,954 km (0.065 R)
• M26: 30,937,139 km (0.115 R)
• M27: 33,617,783 km (0.077 R)
• M28: 33,880,776 km (0.081 R)
• M29: 36,866,301 km (0.109 R)
• M30: 37,851,852 km (0.093 R)
• M31: 39,144,527 km (0.1 R)
• M32: 39,728,407 km (0.106 R)
• M33: 44,610,235 km (0.094 R)
• M34: 46,214,223 km (0.073 R)
• M35: 49,197,354 km (0.029 R)
• M36: 52,659,647 km (0.118 R)
• M37: 63,813,365 km (0.095 R)
• M38: 67,714,878 km (0.11 R)
• M39: 74,416,713 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.2

Radius: 7.1

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 10.17 AU - 12.05 AU

Year: 23545 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,391,741 km

• M1: 88,861 km (0.084 R)
• M2: 314,604 km (0.107 R)
• M3: 916,287 km (0.112 R)
• M4: 1,311,076 km (0.109 R)
• M5: 6,958,695 km (0.097 R)
• M6: 7,734,060 km (0.081 R)
• M7: 10,297,270 km (0.06 R)
• M8: 15,266,911 km (0.025 R)
• M9: 24,999,749 km (0.065 R)
• M10: 29,789,125 km (0.069 R)
• M11: 38,851,315 km (0.043 R)
• M12: 45,230,467 km (0.12 R)
• M13: 51,634,004 km (0.083 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: 501 - 17,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit