🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.4

Radius: 8.5

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.72 AU - 0.8 AU

Year: 457 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,803,196 km

• M1: 105,766 km (0.065 R)
• M2: 400,174 km (0.077 R)
• M3: 691,142 km (0.118 R)
• M4: 1,134,700 km (0.083 R)
• M5: 1,464,713 km (0.117 R)
• M6: 2,052,184 km (0.119 R)
• M7: 2,386,684 km (0.083 R)
• M8: 3,000,335 km (0.036 R)
• M9: 3,664,998 km (0.115 R)
• M10: 3,999,349 km (0.025 R)
• M11: 4,325,922 km (0.113 R)
• M12: 4,744,197 km (0.084 R)
• M13: 5,463,165 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 11

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.73 AU - 0.81 AU

Year: 466 Days

Day: 7.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,803,196 km

• M1: 136,882 km (0.085 R)
• M2: 567,275 km (0.119 R)
• M3: 972,685 km (0.044 R)
• M4: 1,641,238 km (0.118 R)
• M5: 2,169,020 km (0.102 R)
• M6: 2,554,533 km (0.112 R)
• M7: 2,918,355 km (0.111 R)
• M8: 3,365,952 km (0.118 R)
• M9: 4,612,402 km (0.07 R)
• M10: 5,460,771 km (0.099 R)
• M11: 6,257,230 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.4

Radius: 12.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.99 AU - 1.53 AU

Year: 976 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,803,196 km

• M1: 157,527 km (0.101 R)
• M2: 566,078 km (0.111 R)
• M3: 1,455,288 km (0.113 R)
• M4: 1,902,586 km (0.096 R)
• M5: 2,857,619 km (0.116 R)
• M6: 3,803,227 km (0.076 R)
• M7: 4,251,871 km (0.116 R)
• M8: 4,667,005 km (0.058 R)
• M9: 5,164,268 km (0.109 R)
• M10: 8,406,204 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.4

Radius: 11.6

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.39 AU - 2.71 AU

Year: 2811 Days

Day: 12.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,803,196 km

• M1: 144,512 km (0.048 R)
• M2: 552,315 km (0.109 R)
• M3: 946,655 km (0.064 R)
• M4: 1,760,767 km (0.051 R)
• M5: 2,139,250 km (0.105 R)
• M6: 2,650,425 km (0.09 R)
• M7: 3,029,955 km (0.105 R)
• M8: 3,797,991 km (0.087 R)
• M9: 4,261,146 km (0.067 R)
• M10: 4,881,079 km (0.111 R)
• M11: 7,264,473 km (0.041 R)
• M12: 7,781,333 km (0.109 R)
• M13: 8,673,685 km (0.112 R)
• M14: 9,480,765 km (0.104 R)
• M15: 10,702,232 km (0.061 R)
• M16: 12,842,977 km (0.076 R)
• M17: 13,745,202 km (0.087 R)
• M18: 14,740,028 km (0.103 R)
• M19: 15,464,530 km (0.074 R)
• M20: 15,889,089 km (0.072 R)
• M21: 16,321,277 km (0.063 R)
• M22: 18,012,930 km (0.105 R)
• M23: 20,510,018 km (0.095 R)
• M24: 22,545,147 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.6

Radius: 12.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.3 AU - 3.72 AU

Year: 4539 Days

Day: 8.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,803,196 km

• M1: 158,723 km (0.112 R)
• M2: 760,855 km (0.092 R)
• M3: 1,886,280 km (0.083 R)
• M4: 2,747,365 km (0.036 R)
• M5: 3,404,249 km (0.056 R)
• M6: 5,136,742 km (0.094 R)
• M7: 7,197,453 km (0.065 R)
• M8: 7,633,830 km (0.1 R)
• M9: 8,559,841 km (0.091 R)
• M10: 9,440,224 km (0.113 R)
• M11: 11,426,285 km (0.077 R)
• M12: 15,096,220 km (0.119 R)
• M13: 16,152,381 km (0.093 R)
• M14: 25,120,474 km (0.089 R)
• M15: 26,761,563 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.3

Radius: 10.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.86 AU - 4.24 AU

Year: 5626 Days

Day: 8.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 115.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,803,196 km

• M1: 135,536 km (0.102 R)
• M2: 523,443 km (0.119 R)
• M3: 912,098 km (0.113 R)
• M4: 1,462,918 km (0.116 R)
• M5: 2,226,914 km (0.057 R)
• M6: 2,990,910 km (0.097 R)
• M7: 3,501,189 km (0.064 R)
• M8: 10,220,227 km (0.089 R)
• M9: 12,111,144 km (0.064 R)
• M10: 12,507,728 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 14.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.86 AU - 5.78 AU

Year: 8470 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,803,196 km

• M1: 182,659 km (0.047 R)
• M2: 738,714 km (0.114 R)
• M3: 1,209,200 km (0.096 R)
• M4: 1,832,275 km (0.043 R)
• M5: 2,685,431 km (0.108 R)
• M6: 3,489,370 km (0.118 R)
• M7: 4,161,813 km (0.042 R)
• M8: 4,806,131 km (0.109 R)
• M9: 6,891,824 km (0.08 R)
• M10: 7,836,535 km (0.119 R)
• M11: 8,402,314 km (0.082 R)
• M12: 9,082,386 km (0.059 R)
• M13: 12,070,903 km (0.063 R)
• M14: 14,675,102 km (0.068 R)
• M15: 16,044,671 km (0.101 R)
• M16: 19,326,699 km (0.094 R)
• M17: 19,988,519 km (0.108 R)
• M18: 20,589,454 km (0.104 R)
• M19: 22,224,409 km (0.064 R)
• M20: 24,622,463 km (0.087 R)
• M21: 26,284,495 km (0.099 R)
• M22: 35,076,213 km (0.043 R)
• M23: 35,621,347 km (0.113 R)
• M24: 37,065,416 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.1

Radius: 4.9

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.66 AU - 10.22 AU

Year: 21632 Days

Day: 23.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,803,196 km

• M1: 61,634 km (0.117 R)
• M2: 228,735 km (0.109 R)
• M3: 481,406 km (0.118 R)
• M4: 661,821 km (0.109 R)
• M5: 855,401 km (0.075 R)
• M6: 1,495,530 km (0.114 R)
• M7: 1,888,075 km (0.107 R)
• M8: 2,659,551 km (0.043 R)
• M9: 4,938,375 km (0.051 R)
• M10: 5,339,447 km (0.041 R)
• M11: 6,673,860 km (0.076 R)
• M12: 7,773,853 km (0.051 R)
• M13: 8,266,030 km (0.064 R)
• M14: 8,468,586 km (0.067 R)
• M15: 9,312,318 km (0.064 R)
• M16: 11,538,185 km (0.085 R)
• M17: 11,855,182 km (0.117 R)
• M18: 15,505,071 km (0.114 R)
• M19: 16,047,364 km (0.072 R)
• M20: 22,281,705 km (0.112 R)
• M21: 22,674,400 km (0.039 R)
• M22: 27,303,556 km (0.083 R)
• M23: 27,640,301 km (0.112 R)
• M24: 30,435,088 km (0.07 R)
• M25: 40,227,615 km (0.09 R)
• M26: 45,199,201 km (0.1 R)
• M27: 61,764,473 km (0.12 R)
• M28: 63,516,114 km (0.109 R)
• M29: 66,914,828 km (0.085 R)
• M30: 68,142,728 km (0.059 R)
• M31: 68,348,874 km (0.049 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit