🌌 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: 594.5

Radius: 8.1

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.52 AU - 0.52 AU

Year: 254 Days

Day: 6.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,146,673 km

• M1: 100,679 km (0.088 R)
• M2: 404,961 km (0.114 R)
• M3: 714,330 km (0.074 R)
• M4: 997,070 km (0.113 R)
• M5: 1,280,558 km (0.098 R)
• M6: 1,575,266 km (0.096 R)
• M7: 1,943,426 km (0.098 R)
• M8: 2,217,639 km (0.099 R)
• M9: 2,568,895 km (0.093 R)
• M10: 2,928,678 km (0.072 R)
• M11: 3,404,548 km (0.103 R)
• M12: 3,716,460 km (0.097 R)

Asteroid Belt

Center: 0.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 9

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.14 AU - 1.32 AU

Year: 925 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,146,673 km

• M1: 112,198 km (0.059 R)
• M2: 489,035 km (0.042 R)
• M3: 826,528 km (0.113 R)
• M4: 1,271,283 km (0.095 R)
• M5: 1,707,061 km (0.098 R)
• M6: 2,156,453 km (0.107 R)
• M7: 2,540,920 km (0.11 R)
• M8: 2,932,118 km (0.105 R)
• M9: 4,008,625 km (0.101 R)
• M10: 4,523,540 km (0.119 R)
• M11: 4,824,232 km (0.099 R)
• M12: 5,787,194 km (0.096 R)
• M13: 6,401,592 km (0.085 R)
• M14: 6,919,201 km (0.067 R)
• M15: 8,454,224 km (0.102 R)
• M16: 8,884,767 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 9.9

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.32 AU - 1.52 AU

Year: 1148 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,146,673 km

• M1: 123,119 km (0.075 R)
• M2: 438,471 km (0.078 R)
• M3: 821,741 km (0.094 R)
• M4: 1,156,092 km (0.1 R)
• M5: 1,591,721 km (0.086 R)
• M6: 2,178,594 km (0.115 R)
• M7: 2,984,777 km (0.104 R)
• M8: 3,382,258 km (0.104 R)
• M9: 4,061,732 km (0.091 R)
• M10: 6,237,334 km (0.097 R)
• M11: 6,770,500 km (0.107 R)
• M12: 8,250,323 km (0.113 R)
• M13: 9,934,944 km (0.112 R)
• M14: 10,373,715 km (0.085 R)
• M15: 10,695,051 km (0.058 R)
• M16: 11,056,180 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 9.4

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.3 AU - 5.46 AU

Year: 6217 Days

Day: 11.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,146,673 km

• M1: 117,135 km (0.1 R)
• M2: 495,019 km (0.108 R)
• M3: 869,313 km (0.099 R)
• M4: 1,640,041 km (0.072 R)
• M5: 2,305,902 km (0.097 R)
• M6: 2,701,438 km (0.062 R)
• M7: 3,476,206 km (0.112 R)
• M8: 4,291,365 km (0.117 R)
• M9: 5,344,234 km (0.112 R)
• M10: 6,527,105 km (0.08 R)
• M11: 7,004,322 km (0.075 R)
• M12: 7,504,577 km (0.117 R)
• M13: 7,990,321 km (0.11 R)
• M14: 8,417,573 km (0.106 R)
• M15: 8,819,243 km (0.103 R)
• M16: 9,191,443 km (0.104 R)
• M17: 10,601,104 km (0.067 R)
• M18: 13,460,218 km (0.063 R)
• M19: 15,390,629 km (0.075 R)
• M20: 17,955,634 km (0.071 R)
• M21: 18,420,435 km (0.105 R)
• M22: 19,373,971 km (0.103 R)
• M23: 20,004,227 km (0.066 R)
• M24: 20,792,907 km (0.109 R)
• M25: 22,356,055 km (0.115 R)
• M26: 24,236,650 km (0.102 R)
• M27: 30,134,247 km (0.103 R)
• M28: 30,508,242 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.6

Radius: 3.1

Gravity: 20.35 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.56 AU - 6.24 AU

Year: 9720 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,146,673 km

• M1: 38,596 km (0.103 R)
• M2: 149,299 km (0.075 R)
• M3: 305,030 km (0.036 R)
• M4: 410,048 km (0.032 R)
• M5: 769,831 km (0.104 R)
• M6: 1,033,272 km (0.105 R)
• M7: 1,308,832 km (0.112 R)
• M8: 1,410,858 km (0.104 R)
• M9: 2,108,732 km (0.083 R)
• M10: 2,249,503 km (0.067 R)
• M11: 2,691,565 km (0.114 R)
• M12: 3,108,793 km (0.09 R)
• M13: 3,611,442 km (0.088 R)
• M14: 4,046,174 km (0.093 R)
• M15: 4,263,839 km (0.068 R)
• M16: 4,591,907 km (0.071 R)
• M17: 7,094,529 km (0.115 R)
• M18: 7,699,952 km (0.108 R)
• M19: 8,262,141 km (0.069 R)
• M20: 9,176,633 km (0.058 R)
• M21: 12,221,248 km (0.06 R)
• M22: 12,472,274 km (0.105 R)
• M23: 14,382,040 km (0.093 R)
• M24: 14,605,539 km (0.071 R)
• M25: 14,774,735 km (0.091 R)
• M26: 15,522,873 km (0.089 R)
• M27: 16,599,978 km (0.1 R)
• M28: 17,408,255 km (0.077 R)
• M29: 21,772,474 km (0.057 R)
• M30: 21,993,131 km (0.112 R)
• M31: 23,658,006 km (0.096 R)
• M32: 26,981,322 km (0.101 R)
• M33: 28,009,808 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.4

Radius: 5.6

Gravity: 15.86 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.74 AU - 7.52 AU

Year: 12913 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,146,673 km

• M1: 80,184 km (0.065 R)
• M2: 315,951 km (0.064 R)
• M3: 548,875 km (0.112 R)
• M4: 1,019,061 km (0.03 R)
• M5: 1,238,222 km (0.09 R)
• M6: 2,371,575 km (0.077 R)
• M7: 5,537,365 km (0.12 R)
• M8: 7,119,811 km (0.098 R)
• M9: 8,838,691 km (0.108 R)
• M10: 10,654,809 km (0.087 R)
• M11: 11,879,268 km (0.095 R)
• M12: 16,111,541 km (0.077 R)
• M13: 17,196,724 km (0.107 R)
• M14: 21,507,237 km (0.093 R)
• M15: 21,939,425 km (0.069 R)
• M16: 23,361,353 km (0.114 R)
• M17: 27,892,074 km (0.111 R)
• M18: 39,153,054 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.5

Radius: 6.2

Gravity: 24.57 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.06 AU - 8.02 AU

Year: 14043 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,146,673 km

• M1: 77,492 km (0.061 R)
• M2: 473,328 km (0.075 R)
• M3: 1,096,403 km (0.067 R)
• M4: 1,421,928 km (0.118 R)
• M5: 1,973,046 km (0.115 R)
• M6: 2,266,857 km (0.091 R)
• M7: 2,845,052 km (0.117 R)
• M8: 3,920,362 km (0.049 R)
• M9: 4,992,679 km (0.079 R)
• M10: 5,279,758 km (0.041 R)
• M11: 5,539,759 km (0.053 R)
• M12: 11,316,780 km (0.096 R)
• M13: 11,562,868 km (0.101 R)
• M14: 12,781,044 km (0.081 R)
• M15: 16,866,113 km (0.107 R)
• M16: 20,446,588 km (0.074 R)
• M17: 22,899,844 km (0.098 R)
• M18: 23,293,884 km (0.12 R)
• M19: 24,095,579 km (0.112 R)
• M20: 25,753,722 km (0.059 R)
• M21: 29,295,751 km (0.116 R)
• M22: 29,643,566 km (0.047 R)
• M23: 30,347,574 km (0.077 R)
• M24: 33,653,687 km (0.076 R)
• M25: 36,385,344 km (0.105 R)
• M26: 37,873,693 km (0.046 R)
• M27: 38,148,504 km (0.116 R)
• M28: 40,970,967 km (0.116 R)
• M29: 43,929,564 km (0.087 R)
• M30: 44,537,979 km (0.087 R)
• M31: 51,605,132 km (0.034 R)
• M32: 52,112,418 km (0.038 R)
• M33: 56,292,033 km (0.044 R)
• M34: 58,463,147 km (0.086 R)
• M35: 59,941,174 km (0.109 R)
• M36: 63,551,120 km (0.078 R)
• M37: 64,329,179 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.1

Radius: 3.2

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.49 AU - 11.13 AU

Year: 22453 Days

Day: 21 Hours

Environment

Temp: -241 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,146,673 km

• M1: 39,793 km (0.098 R)
• M2: 282,890 km (0.115 R)
• M3: 530,773 km (0.083 R)
• M4: 1,180,626 km (0.035 R)
• M5: 2,778,032 km (0.07 R)
• M6: 3,143,051 km (0.1 R)
• M7: 6,100,900 km (0.12 R)
• M8: 8,064,971 km (0.062 R)
• M9: 9,776,221 km (0.117 R)
• M10: 10,066,890 km (0.118 R)
• M11: 10,513,439 km (0.103 R)
• M12: 11,714,860 km (0.036 R)
• M13: 16,331,300 km (0.11 R)
• M14: 18,813,727 km (0.11 R)
• M15: 22,948,613 km (0.044 R)
• M16: 27,842,557 km (0.114 R)
• M17: 32,523,923 km (0.097 R)
• M18: 33,170,635 km (0.056 R)
• M19: 37,703,301 km (0.092 R)
• M20: 37,940,114 km (0.091 R)
• M21: 38,177,975 km (0.11 R)
• M22: 39,382,238 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 18,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit