🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 12.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.63 AU - 0.73 AU

Year: 394 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,811,303 km

• M1: 153,039 km (0.096 R)
• M2: 549,772 km (0.106 R)
• M3: 957,127 km (0.099 R)
• M4: 1,356,404 km (0.11 R)
• M5: 1,783,057 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.86 AU - 1.06 AU

Year: 661 Days

Day: 11.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,811,303 km

• M1: 111,899 km (0.104 R)
• M2: 415,882 km (0.107 R)
• M3: 754,272 km (0.119 R)
• M4: 1,039,406 km (0.1 R)
• M5: 1,560,156 km (0.073 R)
• M6: 1,983,518 km (0.06 R)
• M7: 2,342,703 km (0.068 R)
• M8: 2,734,350 km (0.064 R)
• M9: 3,429,232 km (0.099 R)
• M10: 4,091,801 km (0.112 R)
• M11: 4,568,869 km (0.055 R)
• M12: 5,302,197 km (0.051 R)
• M13: 5,815,019 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 14.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.84 AU - 1.26 AU

Year: 756 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,811,303 km

• M1: 179,069 km (0.115 R)
• M2: 694,284 km (0.073 R)
• M3: 1,180,626 km (0.045 R)
• M4: 1,700,629 km (0.079 R)
• M5: 2,396,109 km (0.117 R)
• M6: 3,059,725 km (0.026 R)
• M7: 4,052,457 km (0.054 R)
• M8: 5,196,282 km (0.118 R)
• M9: 5,776,123 km (0.088 R)
• M10: 6,316,022 km (0.109 R)
• M11: 7,591,194 km (0.116 R)
• M12: 8,093,095 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 13.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.54 AU - 2.04 AU

Year: 1683 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,811,303 km

• M1: 163,062 km (0.083 R)
• M2: 642,224 km (0.039 R)
• M3: 1,082,789 km (0.082 R)
• M4: 1,529,937 km (0.119 R)
• M5: 2,347,041 km (0.056 R)
• M6: 2,896,065 km (0.083 R)
• M7: 3,348,300 km (0.061 R)
• M8: 3,766,725 km (0.087 R)
• M9: 4,397,280 km (0.09 R)
• M10: 6,989,362 km (0.071 R)
• M11: 7,547,512 km (0.076 R)
• M12: 7,998,849 km (0.114 R)
• M13: 8,781,993 km (0.093 R)
• M14: 9,372,157 km (0.112 R)
• M15: 10,339,158 km (0.102 R)
• M16: 11,789,210 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.2

Radius: 14.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.56 AU - 3.3 AU

Year: 3525 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,811,303 km

• M1: 185,352 km (0.044 R)
• M2: 852,109 km (0.06 R)
• M3: 1,342,790 km (0.057 R)
• M4: 1,831,826 km (0.12 R)
• M5: 2,611,979 km (0.075 R)
• M6: 3,924,999 km (0.102 R)
• M7: 4,556,153 km (0.036 R)
• M8: 5,543,798 km (0.03 R)
• M9: 6,180,935 km (0.046 R)
• M10: 7,849,849 km (0.072 R)
• M11: 8,457,067 km (0.066 R)
• M12: 9,694,241 km (0.073 R)
• M13: 10,698,941 km (0.106 R)
• M14: 12,229,476 km (0.032 R)
• M15: 12,915,831 km (0.116 R)
• M16: 13,402,623 km (0.11 R)
• M17: 14,039,910 km (0.099 R)
• M18: 14,602,099 km (0.095 R)
• M19: 16,226,283 km (0.054 R)
• M20: 18,187,361 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.3

Radius: 8

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.23 AU - 3.29 AU

Year: 4137 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,811,303 km

• M1: 99,483 km (0.091 R)
• M2: 489,484 km (0.059 R)
• M3: 874,549 km (0.116 R)
• M4: 1,273,676 km (0.093 R)
• M5: 1,616,255 km (0.1 R)
• M6: 1,909,467 km (0.104 R)
• M7: 2,604,649 km (0.114 R)
• M8: 2,900,852 km (0.115 R)
• M9: 3,971,973 km (0.118 R)
• M10: 4,366,014 km (0.101 R)
• M11: 4,659,525 km (0.047 R)
• M12: 5,178,181 km (0.074 R)
• M13: 6,087,586 km (0.066 R)
• M14: 6,771,847 km (0.101 R)
• M15: 7,575,786 km (0.088 R)
• M16: 8,292,958 km (0.089 R)
• M17: 8,898,829 km (0.111 R)
• M18: 9,738,223 km (0.064 R)
• M19: 10,113,714 km (0.082 R)
• M20: 11,900,660 km (0.12 R)
• M21: 13,941,026 km (0.087 R)
• M22: 16,850,255 km (0.073 R)
• M23: 18,257,373 km (0.09 R)
• M24: 19,741,085 km (0.116 R)
• M25: 21,233,922 km (0.073 R)
• M26: 23,093,573 km (0.09 R)
• M27: 25,292,811 km (0.076 R)
• M28: 26,483,461 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 9.8

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.58 AU - 5.3 AU

Year: 7718 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,811,303 km

• M1: 123,269 km (0.088 R)
• M2: 610,659 km (0.113 R)
• M3: 1,042,697 km (0.077 R)
• M4: 1,568,982 km (0.088 R)
• M5: 2,166,028 km (0.097 R)
• M6: 2,674,960 km (0.055 R)
• M7: 2,988,816 km (0.114 R)
• M8: 3,859,326 km (0.037 R)
• M9: 5,801,256 km (0.093 R)
• M10: 6,434,204 km (0.106 R)
• M11: 8,076,939 km (0.101 R)
• M12: 8,403,212 km (0.089 R)
• M13: 9,301,996 km (0.1 R)
• M14: 10,216,338 km (0.055 R)
• M15: 10,891,174 km (0.076 R)
• M16: 11,391,279 km (0.116 R)
• M17: 11,802,225 km (0.095 R)
• M18: 12,383,562 km (0.105 R)
• M19: 12,708,489 km (0.104 R)
• M20: 13,039,250 km (0.11 R)
• M21: 14,124,732 km (0.104 R)
• M22: 17,402,571 km (0.112 R)
• M23: 18,575,717 km (0.095 R)
• M24: 18,930,563 km (0.065 R)
• M25: 20,096,679 km (0.052 R)
• M26: 21,465,050 km (0.09 R)
• M27: 22,092,763 km (0.112 R)
• M28: 27,015,281 km (0.07 R)
• M29: 30,119,138 km (0.104 R)
• M30: 33,036,446 km (0.095 R)
• M31: 34,190,593 km (0.116 R)
• M32: 37,362,068 km (0.103 R)
• M33: 38,041,841 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.7

Radius: 6.5

Gravity: 15.12 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.57 AU - 7.83 AU

Year: 12190 Days

Day: 21 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 36,811,303 km

• M1: 87,066 km (0.059 R)
• M2: 295,306 km (0.098 R)
• M3: 547,229 km (0.039 R)
• M4: 818,450 km (0.07 R)
• M5: 1,062,594 km (0.097 R)
• M6: 1,436,738 km (0.087 R)
• M7: 1,912,459 km (0.107 R)
• M8: 2,141,194 km (0.115 R)
• M9: 2,528,952 km (0.114 R)
• M10: 2,761,726 km (0.104 R)
• M11: 3,369,243 km (0.082 R)
• M12: 4,719,663 km (0.069 R)
• M13: 6,092,972 km (0.086 R)
• M14: 8,718,265 km (0.114 R)
• M15: 8,958,070 km (0.03 R)
• M16: 9,351,213 km (0.114 R)
• M17: 10,491,448 km (0.043 R)
• M18: 11,151,025 km (0.06 R)
• M19: 11,837,979 km (0.088 R)
• M20: 12,251,467 km (0.11 R)
• M21: 13,232,979 km (0.113 R)
• M22: 15,006,162 km (0.114 R)
• M23: 17,155,884 km (0.096 R)
• M24: 18,460,826 km (0.103 R)
• M25: 19,097,365 km (0.118 R)
• M26: 26,288,235 km (0.11 R)
• M27: 26,789,538 km (0.079 R)
• M28: 30,041,646 km (0.087 R)
• M29: 34,137,486 km (0.106 R)
• M30: 36,442,191 km (0.098 R)
• M31: 40,821,669 km (0.099 R)
• M32: 49,231,612 km (0.111 R)
• M33: 49,687,586 km (0.112 R)
• M34: 51,540,057 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.9

Radius: 5.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.81 AU - 9.69 AU

Year: 15166 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,811,303 km

• M1: 66,122 km (0.089 R)
• M2: 243,246 km (0.087 R)
• M3: 573,857 km (0.089 R)
• M4: 1,723,816 km (0.07 R)
• M5: 2,488,860 km (0.064 R)
• M6: 2,846,997 km (0.051 R)
• M7: 3,504,480 km (0.11 R)
• M8: 4,206,393 km (0.079 R)
• M9: 5,692,797 km (0.078 R)
• M10: 6,978,890 km (0.119 R)
• M11: 7,384,749 km (0.094 R)
• M12: 8,865,768 km (0.048 R)
• M13: 10,630,125 km (0.081 R)
• M14: 13,441,069 km (0.071 R)
• M15: 16,259,942 km (0.107 R)
• M16: 16,581,278 km (0.065 R)
• M17: 17,908,959 km (0.108 R)
• M18: 21,922,970 km (0.106 R)
• M19: 22,711,949 km (0.118 R)
• M20: 23,519,628 km (0.109 R)
• M21: 27,122,094 km (0.079 R)
• M22: 28,585,909 km (0.067 R)
• M23: 30,198,125 km (0.088 R)
• M24: 31,075,666 km (0.05 R)
• M25: 31,272,986 km (0.03 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: 277 - 12,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit