🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 12.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.69 AU - 1.03 AU

Year: 532 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,946,526 km

• M1: 176,226 km (0.107 R)
• M2: 586,573 km (0.115 R)
• M3: 975,827 km (0.032 R)
• M4: 1,395,150 km (0.083 R)
• M5: 1,862,045 km (0.09 R)
• M6: 2,449,815 km (0.094 R)
• M7: 3,100,416 km (0.1 R)
• M8: 3,599,774 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 12.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.01 AU - 1.51 AU

Year: 943 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,946,526 km

• M1: 159,322 km (0.103 R)
• M2: 617,989 km (0.115 R)
• M3: 1,147,864 km (0.09 R)
• M4: 1,795,174 km (0.082 R)
• M5: 2,773,245 km (0.086 R)
• M6: 3,319,726 km (0.047 R)
• M7: 4,000,097 km (0.103 R)
• M8: 4,561,389 km (0.114 R)
• M9: 5,802,004 km (0.07 R)
• M10: 6,435,401 km (0.074 R)
• M11: 6,882,998 km (0.074 R)
• M12: 7,471,815 km (0.053 R)
• M13: 8,326,318 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.8

Radius: 11.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.2 AU - 2.24 AU

Year: 2206 Days

Day: 7.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 111.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,946,526 km

• M1: 143,315 km (0.078 R)
• M2: 925,712 km (0.114 R)
• M3: 1,369,120 km (0.077 R)
• M4: 1,738,776 km (0.039 R)
• M5: 2,470,609 km (0.098 R)
• M6: 3,076,480 km (0.112 R)
• M7: 4,415,980 km (0.077 R)
• M8: 4,782,644 km (0.113 R)
• M9: 5,311,323 km (0.083 R)
• M10: 5,752,038 km (0.076 R)
• M11: 6,111,522 km (0.082 R)
• M12: 7,703,243 km (0.051 R)
• M13: 9,698,280 km (0.072 R)
• M14: 11,325,606 km (0.031 R)
• M15: 12,478,706 km (0.11 R)
• M16: 12,865,566 km (0.098 R)
• M17: 14,306,194 km (0.066 R)
• M18: 16,153,428 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915

Radius: 9.9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.35 AU - 4.55 AU

Year: 5235 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,946,526 km

• M1: 124,316 km (0.101 R)
• M2: 1,131,110 km (0.082 R)
• M3: 1,501,813 km (0.086 R)
• M4: 1,825,842 km (0.067 R)
• M5: 2,244,866 km (0.093 R)
• M6: 3,384,053 km (0.107 R)
• M7: 4,167,348 km (0.091 R)
• M8: 4,735,820 km (0.118 R)
• M9: 5,181,023 km (0.108 R)
• M10: 6,893,320 km (0.096 R)
• M11: 9,680,329 km (0.109 R)
• M12: 10,170,710 km (0.115 R)
• M13: 11,056,779 km (0.109 R)
• M14: 14,024,352 km (0.08 R)
• M15: 17,290,372 km (0.06 R)
• M16: 20,085,758 km (0.106 R)
• M17: 20,664,253 km (0.103 R)
• M18: 21,031,516 km (0.088 R)
• M19: 21,854,753 km (0.073 R)
• M20: 23,327,245 km (0.1 R)
• M21: 24,047,259 km (0.111 R)
• M22: 26,901,886 km (0.098 R)
• M23: 29,509,078 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.4

Radius: 10.1

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.92 AU - 4.46 AU

Year: 5719 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,946,526 km

• M1: 128,804 km (0.083 R)
• M2: 480,957 km (0.037 R)
• M3: 828,623 km (0.041 R)
• M4: 1,238,670 km (0.104 R)
• M5: 1,597,556 km (0.082 R)
• M6: 3,118,368 km (0.116 R)
• M7: 3,815,942 km (0.115 R)
• M8: 4,202,055 km (0.085 R)
• M9: 6,289,842 km (0.096 R)
• M10: 6,798,026 km (0.088 R)
• M11: 11,617,920 km (0.117 R)
• M12: 13,081,287 km (0.083 R)
• M13: 15,845,107 km (0.108 R)
• M14: 19,569,047 km (0.104 R)
• M15: 22,063,143 km (0.092 R)
• M16: 24,996,159 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.1

Radius: 11.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.44 AU - 5.14 AU

Year: 5925 Days

Day: 14.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,946,526 km

• M1: 153,338 km (0.078 R)
• M2: 619,036 km (0.114 R)
• M3: 1,033,123 km (0.096 R)
• M4: 1,548,787 km (0.103 R)
• M5: 2,060,262 km (0.105 R)
• M6: 2,930,323 km (0.103 R)
• M7: 3,814,147 km (0.081 R)
• M8: 4,541,043 km (0.084 R)
• M9: 5,094,406 km (0.092 R)
• M10: 5,661,531 km (0.051 R)
• M11: 6,781,421 km (0.061 R)
• M12: 7,394,174 km (0.117 R)
• M13: 8,161,910 km (0.103 R)
• M14: 8,647,655 km (0.044 R)
• M15: 9,544,195 km (0.039 R)
• M16: 10,360,999 km (0.077 R)
• M17: 12,553,954 km (0.066 R)
• M18: 15,402,896 km (0.088 R)
• M19: 15,895,671 km (0.118 R)
• M20: 17,305,332 km (0.115 R)
• M21: 22,033,822 km (0.109 R)
• M22: 24,776,848 km (0.093 R)
• M23: 25,883,424 km (0.054 R)
• M24: 27,559,668 km (0.092 R)
• M25: 28,378,267 km (0.095 R)
• M26: 28,933,126 km (0.109 R)
• M27: 32,214,555 km (0.075 R)
• M28: 35,203,072 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 9.1

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.45 AU - 4.69 AU

Year: 6515 Days

Day: 12.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,946,526 km

• M1: 147,803 km (0.104 R)
• M2: 567,126 km (0.097 R)
• M3: 1,297,612 km (0.099 R)
• M4: 1,599,500 km (0.058 R)
• M5: 2,298,122 km (0.085 R)
• M6: 5,144,222 km (0.098 R)
• M7: 5,816,964 km (0.1 R)
• M8: 6,862,952 km (0.095 R)
• M9: 9,455,483 km (0.108 R)
• M10: 9,905,174 km (0.106 R)
• M11: 10,606,639 km (0.086 R)
• M12: 13,074,704 km (0.104 R)
• M13: 14,798,221 km (0.082 R)
• M14: 16,282,083 km (0.03 R)
• M15: 16,603,419 km (0.098 R)
• M16: 20,052,697 km (0.101 R)
• M17: 20,645,553 km (0.037 R)
• M18: 21,173,933 km (0.08 R)
• M19: 22,022,452 km (0.119 R)
• M20: 26,255,025 km (0.106 R)
• M21: 34,886,672 km (0.055 R)
• M22: 36,836,082 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 13,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit