🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.9

Radius: 14.1

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.39 AU - 0.65 AU

Year: 254 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 77,550,535 km

• M1: 188,643 km (0.084 R)
• M2: 933,042 km (0.068 R)
• M3: 1,390,662 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.8

Radius: 13.5

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.47 AU - 0.67 AU

Year: 292 Days

Day: 8.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,550,535 km

• M1: 167,849 km (0.087 R)
• M2: 594,801 km (0.118 R)
• M3: 1,155,943 km (0.101 R)
• M4: 1,602,492 km (0.073 R)
• M5: 2,077,466 km (0.08 R)
• M6: 2,673,164 km (0.063 R)
• M7: 3,860,223 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.65 AU - 0.95 AU

Year: 485 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,550,535 km

• M1: 103,073 km (0.04 R)
• M2: 687,701 km (0.094 R)
• M3: 964,009 km (0.114 R)
• M4: 1,431,951 km (0.108 R)
• M5: 1,886,728 km (0.082 R)
• M6: 3,065,560 km (0.058 R)
• M7: 3,568,657 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 13.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.94 AU - 1.4 AU

Year: 858 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,550,535 km

• M1: 166,652 km (0.078 R)
• M2: 588,668 km (0.096 R)
• M3: 1,099,096 km (0.041 R)
• M4: 1,646,175 km (0.11 R)
• M5: 3,205,434 km (0.049 R)
• M6: 4,102,123 km (0.059 R)
• M7: 5,447,008 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737

Radius: 14.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.64 AU - 3.24 AU

Year: 3419 Days

Day: 11.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,550,535 km

• M1: 185,352 km (0.113 R)
• M2: 803,341 km (0.088 R)
• M3: 1,269,637 km (0.1 R)
• M4: 1,815,819 km (0.115 R)
• M5: 2,988,965 km (0.074 R)
• M6: 3,478,450 km (0.101 R)
• M7: 3,979,603 km (0.073 R)
• M8: 5,975,388 km (0.101 R)
• M9: 6,760,029 km (0.057 R)
• M10: 7,912,231 km (0.08 R)
• M11: 9,379,786 km (0.104 R)
• M12: 9,999,570 km (0.118 R)
• M13: 11,149,828 km (0.086 R)
• M14: 11,669,083 km (0.119 R)
• M15: 13,811,324 km (0.063 R)
• M16: 14,410,912 km (0.103 R)
• M17: 17,615,897 km (0.116 R)
• M18: 21,533,865 km (0.106 R)
• M19: 23,098,659 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 11.9

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.4 AU - 5 AU

Year: 6911 Days

Day: 7.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,550,535 km

• M1: 147,952 km (0.075 R)
• M2: 593,604 km (0.106 R)
• M3: 1,225,356 km (0.112 R)
• M4: 1,685,370 km (0.108 R)
• M5: 2,708,170 km (0.116 R)
• M6: 3,279,784 km (0.107 R)
• M7: 3,905,851 km (0.085 R)
• M8: 6,655,908 km (0.113 R)
• M9: 7,054,288 km (0.061 R)
• M10: 7,468,524 km (0.098 R)
• M11: 8,059,585 km (0.115 R)
• M12: 8,724,398 km (0.047 R)
• M13: 9,202,363 km (0.08 R)
• M14: 11,190,370 km (0.109 R)
• M15: 12,447,291 km (0.118 R)
• M16: 12,831,009 km (0.092 R)
• M17: 13,622,233 km (0.119 R)
• M18: 14,266,551 km (0.029 R)
• M19: 17,797,808 km (0.067 R)
• M20: 18,426,419 km (0.098 R)
• M21: 20,100,269 km (0.101 R)
• M22: 22,192,096 km (0.082 R)
• M23: 25,464,250 km (0.12 R)
• M24: 28,379,165 km (0.115 R)
• M25: 28,758,545 km (0.085 R)
• M26: 30,113,154 km (0.102 R)
• M27: 35,189,608 km (0.079 R)
• M28: 35,737,585 km (0.076 R)
• M29: 38,563,938 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.3

Radius: 6.9

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.18 AU - 6.2 AU

Year: 10445 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,550,535 km

• M1: 100,979 km (0.1 R)
• M2: 652,995 km (0.106 R)
• M3: 1,132,157 km (0.067 R)
• M4: 1,482,515 km (0.105 R)
• M5: 2,116,810 km (0.111 R)
• M6: 2,382,944 km (0.114 R)
• M7: 4,536,406 km (0.041 R)
• M8: 5,422,025 km (0.111 R)
• M9: 7,490,515 km (0.1 R)
• M10: 10,281,862 km (0.059 R)
• M11: 15,464,530 km (0.072 R)
• M12: 17,234,722 km (0.112 R)
• M13: 18,909,620 km (0.052 R)
• M14: 21,498,112 km (0.091 R)
• M15: 23,005,011 km (0.044 R)
• M16: 24,670,783 km (0.058 R)
• M17: 27,558,471 km (0.095 R)
• M18: 28,634,977 km (0.078 R)
• M19: 32,032,794 km (0.114 R)
• M20: 36,500,085 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391

Radius: 7.1

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.26 AU - 7.48 AU

Year: 10904 Days

Day: 16 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,550,535 km

• M1: 90,208 km (0.12 R)
• M2: 376,687 km (0.115 R)
• M3: 599,738 km (0.112 R)
• M4: 1,598,902 km (0.112 R)
• M5: 1,906,026 km (0.087 R)
• M6: 2,166,177 km (0.092 R)
• M7: 3,500,889 km (0.119 R)
• M8: 4,621,826 km (0.103 R)
• M9: 4,913,692 km (0.077 R)
• M10: 5,248,791 km (0.077 R)
• M11: 5,599,000 km (0.112 R)
• M12: 6,707,370 km (0.058 R)
• M13: 9,213,434 km (0.068 R)
• M14: 9,818,557 km (0.096 R)
• M15: 10,058,213 km (0.065 R)
• M16: 11,056,180 km (0.1 R)
• M17: 11,315,583 km (0.043 R)
• M18: 12,394,483 km (0.057 R)
• M19: 13,658,585 km (0.106 R)
• M20: 16,107,203 km (0.064 R)
• M21: 18,035,818 km (0.101 R)
• M22: 19,428,874 km (0.085 R)
• M23: 22,345,135 km (0.072 R)
• M24: 23,096,266 km (0.084 R)
• M25: 27,483,522 km (0.115 R)
• M26: 28,056,183 km (0.117 R)
• M27: 29,522,841 km (0.117 R)
• M28: 31,245,909 km (0.114 R)
• M29: 32,607,997 km (0.045 R)
• M30: 34,558,604 km (0.097 R)
• M31: 36,931,226 km (0.103 R)
• M32: 41,247,424 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.3

Radius: 5.2

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.53 AU - 7.93 AU

Year: 11842 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,550,535 km

• M1: 64,626 km (0.053 R)
• M2: 235,467 km (0.06 R)
• M3: 655,687 km (0.064 R)
• M4: 855,700 km (0.106 R)
• M5: 2,503,969 km (0.055 R)
• M6: 2,978,793 km (0.113 R)
• M7: 3,304,767 km (0.118 R)
• M8: 4,677,925 km (0.118 R)
• M9: 6,184,226 km (0.08 R)
• M10: 6,570,189 km (0.104 R)
• M11: 6,972,158 km (0.096 R)
• M12: 12,981,804 km (0.114 R)
• M13: 16,482,245 km (0.034 R)
• M14: 19,356,917 km (0.028 R)
• M15: 26,528,639 km (0.091 R)
• M16: 30,750,291 km (0.066 R)
• M17: 34,412,148 km (0.035 R)
• M18: 39,059,106 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.6

Radius: 5

Gravity: 20.02 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.56 AU - 12.04 AU

Year: 24073 Days

Day: 20.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,550,535 km

• M1: 70,161 km (0.074 R)
• M2: 362,027 km (0.08 R)
• M3: 645,664 km (0.117 R)
• M4: 933,042 km (0.062 R)
• M5: 1,258,417 km (0.107 R)
• M6: 1,604,437 km (0.039 R)
• M7: 1,932,505 km (0.094 R)
• M8: 4,115,886 km (0.115 R)
• M9: 5,762,211 km (0.093 R)
• M10: 6,095,066 km (0.114 R)
• M11: 7,853,290 km (0.075 R)
• M12: 9,347,025 km (0.044 R)
• M13: 10,220,676 km (0.074 R)
• M14: 14,112,465 km (0.077 R)
• M15: 15,025,161 km (0.084 R)
• M16: 19,716,102 km (0.104 R)
• M17: 19,996,747 km (0.09 R)
• M18: 20,662,308 km (0.107 R)
• M19: 23,682,241 km (0.031 R)
• M20: 27,445,973 km (0.108 R)
• M21: 27,913,467 km (0.074 R)
• M22: 28,267,565 km (0.117 R)
• M23: 30,082,785 km (0.083 R)
• M24: 32,752,509 km (0.057 R)
• M25: 33,543,433 km (0.082 R)
• M26: 34,753,530 km (0.1 R)
• M27: 35,576,169 km (0.063 R)
• M28: 39,736,186 km (0.11 R)
• M29: 44,369,083 km (0.116 R)
• M30: 44,529,302 km (0.11 R)
• M31: 47,147,564 km (0.116 R)
• M32: 50,562,435 km (0.077 R)
• M33: 51,441,173 km (0.062 R)
• M34: 51,795,570 km (0.093 R)
• M35: 66,289,210 km (0.06 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 11,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit