🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 12.3

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.65 AU - 0.73 AU

Year: 396 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,399,262 km

• M1: 153,039 km (0.062 R)
• M2: 556,354 km (0.083 R)
• M3: 972,685 km (0.108 R)
• M4: 1,393,803 km (0.115 R)
• M5: 2,200,285 km (0.065 R)
• M6: 2,583,854 km (0.081 R)
• M7: 3,192,568 km (0.095 R)
• M8: 3,803,675 km (0.108 R)
• M9: 5,326,283 km (0.1 R)
• M10: 5,729,299 km (0.051 R)
• M11: 6,188,864 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.7

Radius: 8.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.56 AU - 0.88 AU

Year: 422 Days

Day: 6.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,399,262 km

• M1: 100,679 km (0.104 R)
• M2: 366,365 km (0.051 R)
• M3: 696,677 km (0.095 R)
• M4: 1,298,958 km (0.101 R)
• M5: 1,650,065 km (0.094 R)
• M6: 3,071,992 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 10

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.72 AU - 0.88 AU

Year: 494 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,399,262 km

• M1: 124,316 km (0.109 R)
• M2: 666,309 km (0.086 R)
• M3: 1,183,020 km (0.086 R)
• M4: 1,657,844 km (0.053 R)
• M5: 2,361,851 km (0.055 R)
• M6: 2,686,329 km (0.062 R)
• M7: 3,217,551 km (0.112 R)
• M8: 3,631,488 km (0.088 R)
• M9: 3,954,620 km (0.119 R)
• M10: 4,784,439 km (0.111 R)
• M11: 5,291,576 km (0.044 R)
• M12: 6,298,370 km (0.072 R)
• M13: 6,807,152 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.5

Radius: 12.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.14 AU - 1.34 AU

Year: 953 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,399,262 km

• M1: 160,519 km (0.073 R)
• M2: 568,173 km (0.043 R)
• M3: 1,114,803 km (0.026 R)
• M4: 1,622,239 km (0.11 R)
• M5: 2,066,844 km (0.073 R)
• M6: 2,571,288 km (0.099 R)
• M7: 3,504,181 km (0.066 R)
• M8: 4,026,726 km (0.12 R)
• M9: 4,718,915 km (0.069 R)
• M10: 5,358,147 km (0.087 R)
• M11: 6,176,447 km (0.08 R)
• M12: 6,594,573 km (0.108 R)
• M13: 7,395,221 km (0.11 R)
• M14: 8,460,657 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 11.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.2 AU - 1.84 AU

Year: 1294 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,399,262 km

• M1: 147,204 km (0.062 R)
• M2: 640,279 km (0.095 R)
• M3: 1,017,714 km (0.114 R)
• M4: 1,427,164 km (0.061 R)
• M5: 1,898,547 km (0.036 R)
• M6: 2,552,888 km (0.118 R)
• M7: 3,196,906 km (0.106 R)
• M8: 4,001,145 km (0.11 R)
• M9: 4,399,823 km (0.066 R)
• M10: 5,145,718 km (0.079 R)
• M11: 6,194,249 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 9.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.05 AU - 2.75 AU

Year: 2566 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,399,262 km

• M1: 113,395 km (0.072 R)
• M2: 1,035,068 km (0.036 R)
• M3: 1,567,786 km (0.11 R)
• M4: 1,957,937 km (0.104 R)
• M5: 2,624,545 km (0.095 R)
• M6: 2,910,875 km (0.053 R)
• M7: 5,837,309 km (0.075 R)
• M8: 6,847,843 km (0.117 R)
• M9: 7,679,158 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.8

Radius: 9.5

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.13 AU - 3.59 AU

Year: 4251 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,399,262 km

• M1: 118,482 km (0.112 R)
• M2: 425,307 km (0.058 R)
• M3: 822,040 km (0.106 R)
• M4: 1,235,978 km (0.087 R)
• M5: 1,555,668 km (0.088 R)
• M6: 1,917,695 km (0.054 R)
• M7: 2,575,477 km (0.106 R)
• M8: 3,857,680 km (0.086 R)
• M9: 4,195,472 km (0.11 R)
• M10: 5,034,866 km (0.064 R)
• M11: 5,550,679 km (0.095 R)
• M12: 6,221,626 km (0.101 R)
• M13: 6,687,773 km (0.064 R)
• M14: 7,481,988 km (0.108 R)
• M15: 8,009,470 km (0.033 R)
• M16: 8,523,937 km (0.101 R)
• M17: 9,824,092 km (0.111 R)
• M18: 13,162,069 km (0.073 R)
• M19: 13,517,364 km (0.107 R)
• M20: 14,035,871 km (0.117 R)
• M21: 15,334,829 km (0.093 R)
• M22: 16,360,322 km (0.104 R)
• M23: 16,949,439 km (0.047 R)
• M24: 17,249,382 km (0.119 R)
• M25: 19,711,165 km (0.094 R)
• M26: 21,060,388 km (0.11 R)
• M27: 22,470,199 km (0.082 R)
• M28: 23,568,097 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.2

Radius: 12.2

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.25 AU - 3.73 AU

Year: 4500 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,399,262 km

• M1: 151,692 km (0.116 R)
• M2: 536,458 km (0.09 R)
• M3: 984,504 km (0.117 R)
• M4: 1,433,596 km (0.068 R)
• M5: 2,316,673 km (0.055 R)
• M6: 2,943,936 km (0.102 R)
• M7: 3,533,352 km (0.075 R)
• M8: 4,515,013 km (0.114 R)
• M9: 5,329,424 km (0.101 R)
• M10: 6,586,495 km (0.086 R)
• M11: 7,114,127 km (0.068 R)
• M12: 8,712,430 km (0.107 R)
• M13: 10,016,924 km (0.108 R)
• M14: 11,123,499 km (0.112 R)
• M15: 13,061,390 km (0.118 R)
• M16: 17,100,533 km (0.117 R)
• M17: 18,678,641 km (0.043 R)
• M18: 20,283,078 km (0.045 R)
• M19: 23,083,400 km (0.064 R)
• M20: 26,213,436 km (0.113 R)
• M21: 26,706,212 km (0.092 R)
• M22: 28,826,163 km (0.05 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 14.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.17 AU - 5.21 AU

Year: 8161 Days

Day: 12.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,399,262 km

• M1: 181,761 km (0.118 R)
• M2: 2,187,570 km (0.099 R)
• M3: 2,741,979 km (0.107 R)
• M4: 3,603,962 km (0.119 R)
• M5: 4,247,383 km (0.093 R)
• M6: 4,997,018 km (0.103 R)
• M7: 7,105,749 km (0.06 R)
• M8: 8,777,805 km (0.027 R)
• M9: 10,546,351 km (0.086 R)
• M10: 15,426,832 km (0.043 R)
• M11: 16,365,409 km (0.115 R)
• M12: 18,728,606 km (0.068 R)
• M13: 20,905,405 km (0.054 R)
• M14: 26,791,333 km (0.115 R)
• M15: 31,206,714 km (0.111 R)
• M16: 32,816,687 km (0.055 R)
• M17: 37,142,459 km (0.11 R)
• M18: 37,978,860 km (0.114 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: 315 - 17,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit