🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 11.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.72 AU - 0.94 AU

Year: 532 Days

Day: 6.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,378,829 km

• M1: 152,440 km (0.104 R)
• M2: 715,676 km (0.119 R)
• M3: 1,152,801 km (0.111 R)
• M4: 1,585,887 km (0.116 R)
• M5: 2,041,861 km (0.074 R)
• M6: 2,476,593 km (0.108 R)
• M7: 2,874,972 km (0.106 R)
• M8: 3,388,093 km (0.052 R)
• M9: 4,795,659 km (0.11 R)
• M10: 5,918,092 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 9.1

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.83 AU - 1.13 AU

Year: 682 Days

Day: 10.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,378,829 km

• M1: 113,096 km (0.109 R)
• M2: 460,911 km (0.112 R)
• M3: 802,593 km (0.106 R)
• M4: 1,114,055 km (0.108 R)
• M5: 1,590,674 km (0.116 R)
• M6: 1,885,980 km (0.069 R)
• M7: 2,482,128 km (0.077 R)
• M8: 2,930,173 km (0.055 R)
• M9: 3,249,715 km (0.075 R)
• M10: 4,137,279 km (0.058 R)
• M11: 5,248,641 km (0.074 R)
• M12: 5,629,069 km (0.093 R)
• M13: 6,105,987 km (0.047 R)
• M14: 6,924,885 km (0.118 R)
• M15: 7,294,392 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.7

Radius: 8.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.18 AU - 1.42 AU

Year: 1042 Days

Day: 6.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,378,829 km

• M1: 106,962 km (0.11 R)
• M2: 514,916 km (0.045 R)
• M3: 1,093,112 km (0.102 R)
• M4: 2,246,212 km (0.092 R)
• M5: 2,687,825 km (0.07 R)
• M6: 3,186,435 km (0.097 R)
• M7: 3,606,505 km (0.028 R)
• M8: 4,274,909 km (0.106 R)
• M9: 4,542,091 km (0.103 R)
• M10: 4,989,239 km (0.087 R)
• M11: 5,339,148 km (0.072 R)
• M12: 5,649,414 km (0.082 R)
• M13: 6,757,785 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 14.7

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.07 AU - 2.51 AU

Year: 2436 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,378,829 km

• M1: 197,918 km (0.037 R)
• M2: 1,054,366 km (0.079 R)
• M3: 1,936,993 km (0.035 R)
• M4: 2,978,643 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.4

Radius: 8.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.76 AU - 3.78 AU

Year: 4157 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,378,829 km

• M1: 106,214 km (0.048 R)
• M2: 496,665 km (0.045 R)
• M3: 1,823,299 km (0.104 R)
• M4: 2,906,687 km (0.101 R)
• M5: 3,226,826 km (0.116 R)
• M6: 3,570,303 km (0.101 R)
• M7: 3,992,917 km (0.112 R)
• M8: 4,350,755 km (0.11 R)
• M9: 5,001,805 km (0.045 R)
• M10: 5,463,464 km (0.098 R)
• M11: 6,025,503 km (0.064 R)
• M12: 6,295,677 km (0.101 R)
• M13: 6,913,516 km (0.081 R)
• M14: 7,292,298 km (0.115 R)
• M15: 7,599,422 km (0.102 R)
• M16: 9,561,847 km (0.113 R)
• M17: 10,767,008 km (0.051 R)
• M18: 13,812,222 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 8.8

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.31 AU - 4.01 AU

Year: 4922 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,378,829 km

• M1: 123,568 km (0.117 R)
• M2: 435,180 km (0.095 R)
• M3: 955,182 km (0.114 R)
• M4: 2,215,844 km (0.091 R)
• M5: 2,992,556 km (0.118 R)
• M6: 3,268,115 km (0.037 R)
• M7: 4,032,859 km (0.111 R)
• M8: 5,468,999 km (0.037 R)
• M9: 6,382,444 km (0.072 R)
• M10: 6,708,567 km (0.095 R)
• M11: 8,393,039 km (0.116 R)
• M12: 8,985,447 km (0.078 R)
• M13: 9,271,328 km (0.099 R)
• M14: 9,605,380 km (0.12 R)
• M15: 9,904,277 km (0.085 R)
• M16: 11,685,389 km (0.111 R)
• M17: 13,193,485 km (0.107 R)
• M18: 13,939,978 km (0.099 R)
• M19: 14,940,788 km (0.081 R)
• M20: 18,491,643 km (0.098 R)
• M21: 19,223,326 km (0.045 R)
• M22: 19,767,414 km (0.11 R)
• M23: 21,316,799 km (0.101 R)
• M24: 21,607,019 km (0.107 R)
• M25: 22,269,588 km (0.066 R)
• M26: 24,576,088 km (0.057 R)
• M27: 25,541,742 km (0.118 R)
• M28: 30,020,403 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 10.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.51 AU - 5.25 AU

Year: 6443 Days

Day: 13.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,378,829 km

• M1: 139,425 km (0.084 R)
• M2: 557,551 km (0.096 R)
• M3: 961,166 km (0.052 R)
• M4: 2,715,351 km (0.039 R)
• M5: 3,117,470 km (0.08 R)
• M6: 3,670,683 km (0.106 R)
• M7: 4,414,783 km (0.103 R)
• M8: 5,885,180 km (0.114 R)
• M9: 6,234,192 km (0.117 R)
• M10: 7,884,107 km (0.053 R)
• M11: 10,299,215 km (0.093 R)
• M12: 13,170,297 km (0.092 R)
• M13: 15,736,948 km (0.11 R)
• M14: 19,098,263 km (0.104 R)
• M15: 20,150,384 km (0.115 R)
• M16: 22,677,840 km (0.095 R)
• M17: 24,017,639 km (0.103 R)
• M18: 32,392,577 km (0.116 R)
• M19: 33,384,111 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.8

Radius: 9.1

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.42 AU - 5.7 AU

Year: 6845 Days

Day: 8.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,378,829 km

• M1: 113,694 km (0.051 R)
• M2: 452,085 km (0.118 R)
• M3: 767,587 km (0.094 R)
• M4: 1,430,156 km (0.051 R)
• M5: 1,784,104 km (0.031 R)
• M6: 2,179,940 km (0.064 R)
• M7: 2,487,663 km (0.066 R)
• M8: 2,883,798 km (0.085 R)
• M9: 3,213,512 km (0.085 R)
• M10: 4,793,116 km (0.102 R)
• M11: 5,348,273 km (0.085 R)
• M12: 5,688,908 km (0.053 R)
• M13: 6,110,175 km (0.112 R)
• M14: 6,906,485 km (0.108 R)
• M15: 7,967,283 km (0.088 R)
• M16: 8,578,540 km (0.09 R)
• M17: 11,139,656 km (0.113 R)
• M18: 11,492,108 km (0.078 R)
• M19: 12,757,258 km (0.081 R)
• M20: 14,288,990 km (0.085 R)
• M21: 15,499,835 km (0.088 R)
• M22: 18,124,829 km (0.094 R)
• M23: 19,688,277 km (0.097 R)
• M24: 21,571,564 km (0.034 R)
• M25: 31,597,015 km (0.105 R)
• M26: 32,304,015 km (0.083 R)
• M27: 33,125,008 km (0.095 R)
• M28: 35,238,377 km (0.032 R)
• M29: 35,562,855 km (0.104 R)

Asteroid Belt

Center: 4.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 14.6

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.06 AU - 5.26 AU

Year: 8239 Days

Day: 14.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 145.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,378,829 km

• M1: 212,878 km (0.091 R)
• M2: 729,738 km (0.117 R)
• M3: 3,249,266 km (0.115 R)
• M4: 6,869,833 km (0.104 R)
• M5: 8,421,313 km (0.099 R)
• M6: 9,109,014 km (0.099 R)
• M7: 10,318,214 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.9

Radius: 7.6

Gravity: 15.04 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.16 AU - 6.92 AU

Year: 10434 Days

Day: 23.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,378,829 km

• M1: 94,695 km (0.068 R)
• M2: 356,342 km (0.074 R)
• M3: 742,753 km (0.113 R)
• M4: 1,155,045 km (0.027 R)
• M5: 1,533,229 km (0.062 R)
• M6: 2,026,902 km (0.108 R)
• M7: 2,282,564 km (0.059 R)
• M8: 2,664,338 km (0.051 R)
• M9: 4,885,567 km (0.058 R)
• M10: 5,626,675 km (0.107 R)
• M11: 6,557,174 km (0.074 R)
• M12: 6,835,276 km (0.114 R)
• M13: 7,162,746 km (0.084 R)
• M14: 7,937,813 km (0.059 R)
• M15: 8,345,766 km (0.114 R)
• M16: 8,672,787 km (0.03 R)
• M17: 9,452,042 km (0.074 R)
• M18: 13,291,621 km (0.1 R)
• M19: 14,459,233 km (0.078 R)
• M20: 14,931,214 km (0.119 R)
• M21: 19,165,582 km (0.092 R)
• M22: 20,653,183 km (0.053 R)
• M23: 25,186,746 km (0.026 R)
• M24: 39,458,982 km (0.114 R)
• M25: 40,247,961 km (0.114 R)
• M26: 44,069,738 km (0.119 R)
• M27: 50,398,924 km (0.104 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 12,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit