🌌 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: 632.4

Radius: 14.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.63 AU - 0.89 AU

Year: 442 Days

Day: 12.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,921,444 km

• M1: 185,501 km (0.099 R)
• M2: 1,074,562 km (0.098 R)
• M3: 1,645,128 km (0.113 R)
• M4: 2,464,625 km (0.063 R)
• M5: 3,023,074 km (0.043 R)
• M6: 3,955,966 km (0.056 R)
• M7: 4,951,540 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.7

Radius: 12

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.9 AU - 0.9 AU

Year: 569 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,921,444 km

• M1: 149,299 km (0.115 R)
• M2: 539,001 km (0.062 R)
• M3: 979,268 km (0.117 R)
• M4: 1,555,967 km (0.089 R)
• M5: 1,970,952 km (0.067 R)
• M6: 2,352,427 km (0.107 R)
• M7: 2,729,563 km (0.066 R)
• M8: 3,316,884 km (0.096 R)
• M9: 4,840,837 km (0.09 R)
• M10: 6,070,532 km (0.052 R)
• M11: 6,648,877 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 14.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.45 AU - 1.87 AU

Year: 1426 Days

Day: 10.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,921,444 km

• M1: 181,612 km (0.114 R)
• M2: 660,026 km (0.091 R)
• M3: 1,139,786 km (0.074 R)
• M4: 1,767,499 km (0.087 R)
• M5: 2,294,831 km (0.078 R)
• M6: 3,453,916 km (0.088 R)
• M7: 4,399,973 km (0.09 R)
• M8: 5,115,649 km (0.091 R)
• M9: 5,598,850 km (0.06 R)
• M10: 6,369,578 km (0.079 R)
• M11: 7,313,690 km (0.051 R)
• M12: 7,792,553 km (0.118 R)
• M13: 8,695,825 km (0.075 R)
• M14: 9,449,350 km (0.089 R)
• M15: 12,083,319 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 14.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.69 AU - 2.53 AU

Year: 2044 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,921,444 km

• M1: 175,329 km (0.102 R)
• M2: 643,570 km (0.083 R)
• M3: 1,096,852 km (0.103 R)
• M4: 2,199,687 km (0.115 R)
• M5: 2,858,516 km (0.03 R)
• M6: 4,329,662 km (0.041 R)
• M7: 5,267,640 km (0.076 R)
• M8: 6,435,850 km (0.086 R)
• M9: 7,524,773 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.6

Radius: 14.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.38 AU - 2.94 AU

Year: 2893 Days

Day: 5.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,921,444 km

• M1: 175,478 km (0.109 R)
• M2: 626,217 km (0.082 R)
• M3: 1,254,827 km (0.079 R)
• M4: 1,717,384 km (0.116 R)
• M5: 2,359,607 km (0.057 R)
• M6: 3,112,234 km (0.107 R)
• M7: 3,764,630 km (0.112 R)
• M8: 4,210,432 km (0.046 R)
• M9: 4,754,520 km (0.073 R)
• M10: 5,322,543 km (0.101 R)
• M11: 5,862,741 km (0.102 R)
• M12: 6,648,877 km (0.117 R)
• M13: 7,795,395 km (0.095 R)
• M14: 8,307,918 km (0.101 R)
• M15: 9,705,611 km (0.061 R)
• M16: 10,407,075 km (0.055 R)
• M17: 11,560,774 km (0.115 R)
• M18: 12,228,878 km (0.055 R)
• M19: 14,388,622 km (0.054 R)
• M20: 15,441,642 km (0.074 R)
• M21: 16,059,182 km (0.094 R)

Asteroid Belt

Center: 3.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.6

Radius: 14.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.84 AU - 4.92 AU

Year: 7189 Days

Day: 13.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,921,444 km

• M1: 183,257 km (0.038 R)
• M2: 1,117,197 km (0.076 R)
• M3: 1,579,305 km (0.029 R)
• M4: 2,107,535 km (0.06 R)
• M5: 4,764,393 km (0.072 R)
• M6: 5,464,212 km (0.114 R)
• M7: 6,551,489 km (0.1 R)
• M8: 7,737,950 km (0.057 R)
• M9: 8,839,888 km (0.098 R)
• M10: 9,995,831 km (0.101 R)
• M11: 11,997,450 km (0.11 R)
• M12: 12,607,510 km (0.113 R)
• M13: 13,238,215 km (0.087 R)
• M14: 14,071,325 km (0.028 R)
• M15: 17,195,378 km (0.116 R)
• M16: 18,477,880 km (0.108 R)
• M17: 18,993,544 km (0.081 R)
• M18: 20,131,086 km (0.076 R)
• M19: 22,708,957 km (0.044 R)
• M20: 24,870,796 km (0.115 R)
• M21: 25,499,855 km (0.117 R)
• M22: 31,440,685 km (0.029 R)
• M23: 33,792,214 km (0.112 R)
• M24: 35,915,457 km (0.082 R)
• M25: 37,889,401 km (0.069 R)
• M26: 42,306,727 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 5.2

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.23 AU - 8.13 AU

Year: 12830 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,921,444 km

• M1: 64,925 km (0.116 R)
• M2: 331,658 km (0.112 R)
• M3: 579,393 km (0.118 R)
• M4: 766,988 km (0.101 R)
• M5: 1,341,444 km (0.072 R)
• M6: 1,618,799 km (0.096 R)
• M7: 2,183,082 km (0.096 R)
• M8: 2,472,404 km (0.109 R)
• M9: 4,485,842 km (0.111 R)
• M10: 4,715,923 km (0.104 R)
• M11: 7,002,228 km (0.073 R)
• M12: 8,513,316 km (0.104 R)
• M13: 11,194,259 km (0.115 R)
• M14: 12,782,091 km (0.059 R)
• M15: 13,012,172 km (0.049 R)
• M16: 14,451,753 km (0.082 R)
• M17: 15,081,859 km (0.118 R)
• M18: 15,403,644 km (0.114 R)
• M19: 17,928,706 km (0.118 R)
• M20: 20,402,457 km (0.097 R)
• M21: 20,954,922 km (0.084 R)
• M22: 21,436,328 km (0.067 R)
• M23: 22,172,349 km (0.114 R)
• M24: 23,350,432 km (0.106 R)
• M25: 24,304,867 km (0.103 R)
• M26: 28,677,014 km (0.118 R)
• M27: 30,892,559 km (0.12 R)
• M28: 36,461,938 km (0.038 R)
• M29: 39,909,271 km (0.104 R)
• M30: 42,793,069 km (0.088 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: 463 - 16,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit