🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 13.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.68 AU

Year: 297 Days

Day: 14.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,583,388 km

• M1: 166,203 km (0.112 R)
• M2: 720,314 km (0.109 R)
• M3: 1,289,384 km (0.115 R)
• M4: 2,304,555 km (0.105 R)
• M5: 3,097,274 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 13

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.07 AU - 1.19 AU

Year: 829 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,583,388 km

• M1: 161,715 km (0.093 R)
• M2: 1,010,833 km (0.11 R)
• M3: 1,621,342 km (0.068 R)
• M4: 2,384,141 km (0.073 R)
• M5: 2,810,645 km (0.111 R)
• M6: 3,610,096 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 9.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.22 AU - 1.9 AU

Year: 1345 Days

Day: 10.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,583,388 km

• M1: 117,285 km (0.072 R)
• M2: 576,251 km (0.097 R)
• M3: 920,775 km (0.071 R)
• M4: 1,596,658 km (0.058 R)
• M5: 1,989,352 km (0.096 R)
• M6: 2,394,015 km (0.118 R)
• M7: 2,841,761 km (0.096 R)
• M8: 3,791,558 km (0.037 R)
• M9: 4,355,243 km (0.107 R)
• M10: 5,268,837 km (0.086 R)
• M11: 6,882,549 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957

Radius: 8.4

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.14 AU - 2.14 AU

Year: 2161 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,583,388 km

• M1: 104,419 km (0.082 R)
• M2: 449,542 km (0.038 R)
• M3: 845,527 km (0.072 R)
• M4: 1,208,152 km (0.056 R)
• M5: 1,506,151 km (0.109 R)
• M6: 1,818,512 km (0.111 R)
• M7: 2,240,228 km (0.09 R)
• M8: 2,546,754 km (0.049 R)
• M9: 2,849,839 km (0.093 R)
• M10: 3,228,322 km (0.061 R)
• M11: 5,621,888 km (0.098 R)
• M12: 8,562,234 km (0.091 R)
• M13: 9,176,782 km (0.042 R)
• M14: 10,341,252 km (0.083 R)
• M15: 12,698,466 km (0.11 R)
• M16: 12,961,160 km (0.094 R)
• M17: 15,441,791 km (0.108 R)
• M18: 16,044,372 km (0.103 R)
• M19: 16,662,809 km (0.063 R)
• M20: 17,782,848 km (0.069 R)
• M21: 19,066,398 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.2

Radius: 8.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.59 AU - 3.11 AU

Year: 3321 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,583,388 km

• M1: 107,262 km (0.099 R)
• M2: 734,376 km (0.114 R)
• M3: 1,095,655 km (0.073 R)
• M4: 1,449,753 km (0.07 R)
• M5: 2,076,867 km (0.111 R)
• M6: 3,917,071 km (0.063 R)
• M7: 5,171,449 km (0.052 R)
• M8: 5,878,299 km (0.088 R)
• M9: 6,178,542 km (0.049 R)
• M10: 8,703,604 km (0.11 R)
• M11: 9,771,434 km (0.065 R)
• M12: 10,445,372 km (0.069 R)
• M13: 11,533,547 km (0.119 R)
• M14: 13,758,067 km (0.1 R)
• M15: 14,378,450 km (0.078 R)
• M16: 16,107,951 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 14.1

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.76 AU - 3.58 AU

Year: 3896 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,583,388 km

• M1: 175,329 km (0.096 R)
• M2: 942,766 km (0.034 R)
• M3: 1,394,103 km (0.071 R)
• M4: 1,878,052 km (0.096 R)
• M5: 3,214,110 km (0.105 R)
• M6: 4,168,545 km (0.099 R)
• M7: 5,028,583 km (0.08 R)
• M8: 5,657,941 km (0.092 R)
• M9: 6,218,335 km (0.084 R)
• M10: 6,764,367 km (0.072 R)
• M11: 9,564,989 km (0.11 R)
• M12: 10,328,686 km (0.105 R)
• M13: 10,848,389 km (0.114 R)
• M14: 11,349,242 km (0.077 R)
• M15: 12,474,518 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 13.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.15 AU - 4.73 AU

Year: 6458 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,583,388 km

• M1: 185,651 km (0.118 R)
• M2: 647,759 km (0.082 R)
• M3: 1,128,118 km (0.046 R)
• M4: 2,169,020 km (0.111 R)
• M5: 3,846,460 km (0.051 R)
• M6: 4,318,292 km (0.098 R)
• M7: 4,913,243 km (0.046 R)
• M8: 5,972,246 km (0.077 R)
• M9: 7,589,250 km (0.085 R)
• M10: 8,215,017 km (0.107 R)
• M11: 9,131,604 km (0.116 R)
• M12: 9,749,742 km (0.112 R)
• M13: 10,680,989 km (0.12 R)
• M14: 12,774,761 km (0.098 R)
• M15: 13,832,717 km (0.073 R)
• M16: 14,708,463 km (0.072 R)
• M17: 15,807,857 km (0.096 R)
• M18: 19,291,992 km (0.117 R)
• M19: 21,519,504 km (0.091 R)
• M20: 23,913,519 km (0.112 R)
• M21: 25,004,237 km (0.081 R)
• M22: 27,104,591 km (0.09 R)
• M23: 30,764,653 km (0.061 R)
• M24: 34,319,248 km (0.095 R)
• M25: 35,490,599 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 9.6

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.96 AU - 6.6 AU

Year: 8375 Days

Day: 7.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,583,388 km

• M1: 119,379 km (0.112 R)
• M2: 426,504 km (0.072 R)
• M3: 786,137 km (0.089 R)
• M4: 1,402,630 km (0.104 R)
• M5: 2,351,379 km (0.104 R)
• M6: 2,879,609 km (0.045 R)
• M7: 3,485,182 km (0.048 R)
• M8: 4,039,442 km (0.102 R)
• M9: 4,535,807 km (0.085 R)
• M10: 4,889,008 km (0.086 R)
• M11: 6,563,158 km (0.08 R)
• M12: 7,611,390 km (0.041 R)
• M13: 9,553,320 km (0.061 R)
• M14: 11,106,146 km (0.086 R)
• M15: 11,641,108 km (0.069 R)
• M16: 12,305,622 km (0.097 R)
• M17: 12,995,268 km (0.103 R)
• M18: 14,388,772 km (0.104 R)
• M19: 15,546,959 km (0.113 R)
• M20: 18,563,749 km (0.112 R)
• M21: 19,165,133 km (0.07 R)
• M22: 25,542,939 km (0.081 R)
• M23: 29,713,129 km (0.076 R)
• M24: 34,316,106 km (0.082 R)
• M25: 34,653,898 km (0.026 R)
• M26: 39,619,799 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.5

Radius: 12.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.26 AU - 6.66 AU

Year: 8806 Days

Day: 10.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,583,388 km

• M1: 161,566 km (0.119 R)
• M2: 682,914 km (0.072 R)
• M3: 1,310,627 km (0.099 R)
• M4: 1,923,679 km (0.032 R)
• M5: 2,585,500 km (0.102 R)
• M6: 3,189,277 km (0.065 R)
• M7: 3,860,223 km (0.066 R)
• M8: 5,072,565 km (0.101 R)
• M9: 5,750,243 km (0.073 R)
• M10: 7,366,648 km (0.111 R)
• M11: 8,066,168 km (0.109 R)
• M12: 8,719,910 km (0.101 R)
• M13: 9,361,536 km (0.092 R)
• M14: 15,158,303 km (0.082 R)
• M15: 15,751,010 km (0.115 R)
• M16: 16,703,949 km (0.094 R)
• M17: 19,407,481 km (0.083 R)
• M18: 21,146,557 km (0.111 R)
• M19: 22,137,942 km (0.097 R)
• M20: 23,073,527 km (0.072 R)
• M21: 24,302,324 km (0.07 R)
• M22: 24,932,879 km (0.112 R)
• M23: 27,274,385 km (0.118 R)
• M24: 30,273,373 km (0.074 R)
• M25: 37,393,484 km (0.081 R)
• M26: 41,339,876 km (0.113 R)
• M27: 42,109,557 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.8

Radius: 3.7

Gravity: 50.31 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.77 AU - 10.67 AU

Year: 22552 Days

Day: 15 Hours

Environment

Temp: -246 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,583,388 km

• M1: 46,525 km (0.099 R)
• M2: 185,053 km (0.092 R)
• M3: 335,847 km (0.078 R)
• M4: 706,252 km (0.104 R)
• M5: 4,433,482 km (0.096 R)
• M6: 4,683,161 km (0.101 R)
• M7: 5,987,954 km (0.047 R)
• M8: 7,076,877 km (0.082 R)
• M9: 9,117,093 km (0.113 R)
• M10: 9,875,853 km (0.063 R)
• M11: 13,260,505 km (0.078 R)
• M12: 13,928,459 km (0.115 R)
• M13: 15,412,021 km (0.076 R)
• M14: 22,090,968 km (0.064 R)
• M15: 23,453,057 km (0.08 R)
• M16: 24,209,274 km (0.064 R)
• M17: 28,967,384 km (0.099 R)
• M18: 33,627,956 km (0.113 R)
• M19: 35,850,531 km (0.101 R)
• M20: 38,317,400 km (0.116 R)
• M21: 39,819,961 km (0.057 R)
• M22: 46,055,799 km (0.087 R)
• M23: 55,150,302 km (0.045 R)
• M24: 68,819,209 km (0.111 R)
• M25: 72,614,358 km (0.141 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: 288 - 17,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit