🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.7

Radius: 11.3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.82 AU - 0.98 AU

Year: 569 Days

Day: 10.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 118.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,121,622 km

• M1: 140,772 km (0.038 R)
• M2: 575,952 km (0.073 R)
• M3: 954,285 km (0.073 R)
• M4: 1,498,372 km (0.105 R)
• M5: 2,016,729 km (0.093 R)
• M6: 2,548,101 km (0.109 R)
• M7: 3,558,784 km (0.114 R)
• M8: 4,163,159 km (0.099 R)
• M9: 5,684,420 km (0.091 R)
• M10: 6,088,484 km (0.119 R)
• M11: 7,037,533 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 10.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.77 AU - 1.25 AU

Year: 677 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,121,622 km

• M1: 133,142 km (0.098 R)
• M2: 492,027 km (0.103 R)
• M3: 845,976 km (0.113 R)
• M4: 1,634,656 km (0.092 R)
• M5: 2,123,542 km (0.066 R)
• M6: 2,978,045 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.7

Radius: 15

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.12 AU - 1.28 AU

Year: 877 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,121,622 km

• M1: 186,549 km (0.089 R)
• M2: 737,069 km (0.044 R)
• M3: 1,986,361 km (0.101 R)
• M4: 2,550,045 km (0.116 R)
• M5: 3,024,570 km (0.083 R)
• M6: 3,599,026 km (0.067 R)
• M7: 4,155,679 km (0.118 R)
• M8: 4,753,323 km (0.062 R)
• M9: 5,265,247 km (0.102 R)
• M10: 5,757,573 km (0.109 R)
• M11: 6,503,019 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.9

Radius: 13.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.26 AU - 1.84 AU

Year: 1287 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,121,622 km

• M1: 167,849 km (0.109 R)
• M2: 704,606 km (0.106 R)
• M3: 1,326,933 km (0.096 R)
• M4: 2,127,132 km (0.116 R)
• M5: 2,839,218 km (0.067 R)
• M6: 3,259,438 km (0.11 R)
• M7: 3,737,852 km (0.119 R)
• M8: 4,227,935 km (0.12 R)
• M9: 4,684,657 km (0.068 R)
• M10: 5,421,726 km (0.094 R)
• M11: 6,304,204 km (0.083 R)
• M12: 6,853,826 km (0.075 R)
• M13: 8,022,036 km (0.085 R)
• M14: 9,168,405 km (0.1 R)
• M15: 10,552,484 km (0.066 R)
• M16: 11,503,179 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.8

Radius: 8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.08 AU - 4.88 AU

Year: 5295 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 73.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,121,622 km

• M1: 99,483 km (0.061 R)
• M2: 645,066 km (0.1 R)
• M3: 951,293 km (0.095 R)
• M4: 1,275,621 km (0.082 R)
• M5: 2,165,579 km (0.099 R)
• M6: 2,492,749 km (0.078 R)
• M7: 3,303,869 km (0.036 R)
• M8: 3,718,704 km (0.116 R)
• M9: 4,921,620 km (0.114 R)
• M10: 5,175,039 km (0.115 R)
• M11: 7,330,146 km (0.047 R)
• M12: 7,967,882 km (0.1 R)
• M13: 8,496,860 km (0.082 R)
• M14: 10,022,609 km (0.118 R)
• M15: 10,555,476 km (0.12 R)
• M16: 12,782,988 km (0.081 R)
• M17: 15,359,662 km (0.088 R)
• M18: 15,847,950 km (0.091 R)
• M19: 20,261,835 km (0.032 R)
• M20: 21,246,787 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.6

Radius: 14.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.93 AU - 5.57 AU

Year: 6904 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,121,622 km

• M1: 185,352 km (0.096 R)
• M2: 739,761 km (0.112 R)
• M3: 1,308,233 km (0.097 R)
• M4: 2,171,712 km (0.085 R)
• M5: 2,631,576 km (0.043 R)
• M6: 3,326,608 km (0.107 R)
• M7: 4,142,066 km (0.093 R)
• M8: 4,972,783 km (0.109 R)
• M9: 5,658,839 km (0.095 R)
• M10: 7,002,826 km (0.089 R)
• M11: 7,482,736 km (0.083 R)
• M12: 8,758,955 km (0.032 R)
• M13: 10,269,146 km (0.094 R)
• M14: 11,486,125 km (0.107 R)
• M15: 12,906,257 km (0.053 R)
• M16: 14,147,620 km (0.056 R)
• M17: 16,030,160 km (0.075 R)
• M18: 20,066,310 km (0.069 R)
• M19: 20,887,304 km (0.103 R)
• M20: 24,146,742 km (0.098 R)
• M21: 25,592,755 km (0.116 R)
• M22: 28,191,569 km (0.038 R)
• M23: 30,277,113 km (0.113 R)
• M24: 30,863,387 km (0.051 R)
• M25: 32,975,111 km (0.074 R)
• M26: 35,829,737 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.6

Radius: 6.1

Gravity: 20.47 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.33 AU - 8.13 AU

Year: 14332 Days

Day: 22.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,121,622 km

• M1: 75,996 km (0.107 R)
• M2: 329,265 km (0.045 R)
• M3: 1,489,696 km (0.114 R)
• M4: 1,727,556 km (0.115 R)
• M5: 2,642,347 km (0.111 R)
• M6: 3,041,923 km (0.087 R)
• M7: 3,374,030 km (0.113 R)
• M8: 4,110,800 km (0.109 R)
• M9: 4,780,250 km (0.096 R)
• M10: 8,243,740 km (0.061 R)
• M11: 9,730,145 km (0.095 R)
• M12: 12,827,569 km (0.04 R)
• M13: 19,379,357 km (0.091 R)
• M14: 20,877,131 km (0.095 R)
• M15: 26,249,938 km (0.119 R)
• M16: 27,642,395 km (0.105 R)
• M17: 35,864,594 km (0.099 R)
• M18: 40,176,453 km (0.102 R)
• M19: 41,306,066 km (0.058 R)
• M20: 44,821,467 km (0.116 R)
• M21: 47,742,066 km (0.111 R)
• M22: 49,811,902 km (0.089 R)
• M23: 50,787,131 km (0.066 R)
• M24: 55,854,759 km (0.087 R)
• M25: 58,330,753 km (0.097 R)
• M26: 58,870,801 km (0.091 R)
• M27: 59,960,622 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 18,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit