🌌 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: 116.6

Radius: 13.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.56 AU

Year: 259 Days

Day: 6 Hours

Environment

Temp: -140 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,839,471 km

• M1: 172,935 km (0.094 R)
• M2: 610,210 km (0.091 R)
• M3: 1,166,714 km (0.051 R)
• M4: 1,639,144 km (0.099 R)
• M5: 2,130,423 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412

Radius: 10.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.97 AU - 1.03 AU

Year: 690 Days

Day: 8.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,839,471 km

• M1: 134,339 km (0.099 R)
• M2: 597,643 km (0.115 R)
• M3: 983,606 km (0.079 R)
• M4: 1,748,201 km (0.106 R)
• M5: 2,123,691 km (0.119 R)
• M6: 2,543,313 km (0.096 R)
• M7: 3,169,380 km (0.117 R)
• M8: 4,218,510 km (0.12 R)
• M9: 4,559,594 km (0.064 R)
• M10: 5,520,012 km (0.112 R)
• M11: 6,020,716 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 13.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.96 AU - 1.32 AU

Year: 840 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,839,471 km

• M1: 173,234 km (0.114 R)
• M2: 651,499 km (0.078 R)
• M3: 1,126,023 km (0.086 R)
• M4: 1,585,139 km (0.045 R)
• M5: 2,617,364 km (0.108 R)
• M6: 3,472,765 km (0.111 R)
• M7: 5,173,693 km (0.105 R)
• M8: 6,247,207 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.3

Radius: 12.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.35 AU - 1.95 AU

Year: 1463 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,839,471 km

• M1: 157,975 km (0.075 R)
• M2: 635,791 km (0.113 R)
• M3: 1,473,389 km (0.108 R)
• M4: 2,863,303 km (0.106 R)
• M5: 3,634,630 km (0.05 R)
• M6: 4,688,248 km (0.032 R)
• M7: 5,666,169 km (0.119 R)
• M8: 6,133,662 km (0.113 R)
• M9: 6,796,979 km (0.117 R)
• M10: 7,530,757 km (0.103 R)
• M11: 8,267,526 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.5

Radius: 9.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.71 AU - 1.91 AU

Year: 1681 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,839,471 km

• M1: 114,442 km (0.081 R)
• M2: 535,560 km (0.112 R)
• M3: 1,284,896 km (0.099 R)
• M4: 1,673,701 km (0.057 R)
• M5: 2,212,553 km (0.109 R)
• M6: 2,830,541 km (0.12 R)
• M7: 5,504,454 km (0.091 R)
• M8: 5,961,774 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.1

Radius: 9.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.87 AU - 2.41 AU

Year: 2161 Days

Day: 5.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,839,471 km

• M1: 115,938 km (0.061 R)
• M2: 659,577 km (0.105 R)
• M3: 1,197,381 km (0.079 R)
• M4: 1,637,349 km (0.064 R)
• M5: 2,476,892 km (0.061 R)
• M6: 3,371,188 km (0.034 R)
• M7: 4,021,640 km (0.111 R)
• M8: 5,609,322 km (0.119 R)
• M9: 6,395,010 km (0.114 R)
• M10: 8,134,384 km (0.085 R)
• M11: 8,537,251 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.7

Radius: 12.7

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.71 AU - 4.15 AU

Year: 4385 Days

Day: 11.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,839,471 km

• M1: 157,975 km (0.086 R)
• M2: 564,882 km (0.079 R)
• M3: 1,104,631 km (0.064 R)
• M4: 1,625,082 km (0.099 R)
• M5: 2,042,011 km (0.084 R)
• M6: 2,804,960 km (0.105 R)
• M7: 3,233,857 km (0.11 R)
• M8: 3,815,793 km (0.11 R)
• M9: 4,249,627 km (0.119 R)
• M10: 4,845,176 km (0.043 R)
• M11: 6,051,533 km (0.09 R)
• M12: 8,468,436 km (0.082 R)
• M13: 8,972,431 km (0.082 R)
• M14: 11,376,320 km (0.029 R)
• M15: 12,184,148 km (0.086 R)
• M16: 15,117,762 km (0.105 R)
• M17: 15,919,009 km (0.112 R)
• M18: 16,330,104 km (0.071 R)
• M19: 16,929,692 km (0.106 R)
• M20: 18,752,243 km (0.09 R)
• M21: 23,913,519 km (0.104 R)
• M22: 24,453,418 km (0.09 R)
• M23: 28,120,510 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.3

Radius: 7.1

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.86 AU - 6.88 AU

Year: 11097 Days

Day: 23.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,839,471 km

• M1: 257,009 km (0.036 R)
• M2: 845,378 km (0.046 R)
• M3: 1,228,797 km (0.051 R)
• M4: 1,763,759 km (0.118 R)
• M5: 2,002,816 km (0.088 R)
• M6: 2,295,579 km (0.109 R)
• M7: 3,226,078 km (0.118 R)
• M8: 3,764,780 km (0.072 R)
• M9: 5,742,913 km (0.105 R)
• M10: 8,058,538 km (0.092 R)
• M11: 8,405,605 km (0.089 R)
• M12: 8,924,411 km (0.106 R)
• M13: 10,839,862 km (0.044 R)
• M14: 12,242,791 km (0.112 R)
• M15: 16,059,631 km (0.088 R)
• M16: 18,137,545 km (0.065 R)
• M17: 18,600,401 km (0.106 R)
• M18: 22,666,471 km (0.039 R)
• M19: 25,190,486 km (0.069 R)
• M20: 29,228,432 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.7

Radius: 7.5

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.17 AU - 7.79 AU

Year: 11386 Days

Day: 18.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,839,471 km

• M1: 93,349 km (0.071 R)
• M2: 414,536 km (0.096 R)
• M3: 688,150 km (0.118 R)
• M4: 992,432 km (0.11 R)
• M5: 1,411,606 km (0.044 R)
• M6: 1,669,961 km (0.06 R)
• M7: 2,009,099 km (0.101 R)
• M8: 2,356,615 km (0.063 R)
• M9: 2,723,429 km (0.075 R)
• M10: 3,240,888 km (0.107 R)
• M11: 3,873,687 km (0.037 R)
• M12: 4,851,758 km (0.108 R)
• M13: 6,055,423 km (0.107 R)
• M14: 7,731,966 km (0.047 R)
• M15: 8,721,556 km (0.103 R)
• M16: 9,648,464 km (0.096 R)
• M17: 11,319,323 km (0.093 R)
• M18: 11,972,018 km (0.059 R)
• M19: 14,142,983 km (0.071 R)
• M20: 16,770,968 km (0.117 R)
• M21: 17,120,878 km (0.053 R)
• M22: 19,553,489 km (0.101 R)
• M23: 21,625,419 km (0.055 R)
• M24: 22,970,753 km (0.092 R)
• M25: 23,402,343 km (0.117 R)
• M26: 27,437,297 km (0.08 R)
• M27: 29,924,660 km (0.117 R)
• M28: 33,875,839 km (0.085 R)
• M29: 34,210,789 km (0.118 R)
• M30: 35,228,503 km (0.039 R)
• M31: 35,572,279 km (0.088 R)
• M32: 36,266,413 km (0.056 R)
• M33: 38,041,243 km (0.086 R)
• M34: 40,747,917 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.5

Radius: 7.2

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.15 AU - 9.67 AU

Year: 15356 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,839,471 km

• M1: 92,751 km (0.114 R)
• M2: 404,064 km (0.119 R)
• M3: 631,303 km (0.056 R)
• M4: 1,311,824 km (0.095 R)
• M5: 1,566,589 km (0.104 R)
• M6: 2,651,173 km (0.1 R)
• M7: 3,244,030 km (0.087 R)
• M8: 4,358,833 km (0.106 R)
• M9: 4,758,858 km (0.077 R)
• M10: 5,748,597 km (0.105 R)
• M11: 6,651,271 km (0.074 R)
• M12: 7,273,000 km (0.069 R)
• M13: 8,030,264 km (0.117 R)
• M14: 9,155,689 km (0.053 R)
• M15: 10,617,260 km (0.102 R)
• M16: 11,970,074 km (0.119 R)
• M17: 12,227,980 km (0.059 R)
• M18: 14,498,427 km (0.107 R)
• M19: 16,237,802 km (0.071 R)
• M20: 19,765,170 km (0.086 R)
• M21: 20,307,462 km (0.092 R)
• M22: 20,859,628 km (0.115 R)
• M23: 24,179,653 km (0.036 R)
• M24: 26,180,375 km (0.079 R)
• M25: 28,517,244 km (0.107 R)
• M26: 29,326,119 km (0.067 R)
• M27: 29,559,941 km (0.12 R)
• M28: 32,215,602 km (0.078 R)
• M29: 47,421,478 km (0.099 R)
• M30: 48,556,178 km (0.104 R)
• M31: 50,543,137 km (0.111 R)
• M32: 51,726,905 km (0.118 R)
• M33: 52,068,436 km (0.114 R)
• M34: 54,325,569 km (0.08 R)
• M35: 56,647,179 km (0.106 R)
• M36: 57,374,523 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 12,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit