🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 12.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.42 AU - 0.6 AU

Year: 243 Days

Day: 10.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,711,748 km

• M1: 157,975 km (0.066 R)
• M2: 703,858 km (0.097 R)
• M3: 1,222,813 km (0.103 R)
• M4: 1,633,160 km (0.108 R)
• M5: 2,047,696 km (0.081 R)
• M6: 2,524,763 km (0.113 R)
• M7: 3,017,539 km (0.11 R)
• M8: 3,530,659 km (0.05 R)
• M9: 3,982,744 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.9

Radius: 9.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.66 AU - 1.68 AU

Year: 1439 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,711,748 km

• M1: 114,442 km (0.088 R)
• M2: 525,238 km (0.105 R)
• M3: 899,233 km (0.082 R)
• M4: 1,544,897 km (0.1 R)
• M5: 2,019,272 km (0.08 R)
• M6: 2,331,034 km (0.103 R)
• M7: 2,842,360 km (0.056 R)
• M8: 3,388,093 km (0.095 R)
• M9: 3,831,501 km (0.097 R)
• M10: 4,466,992 km (0.112 R)
• M11: 5,085,580 km (0.116 R)
• M12: 5,380,287 km (0.07 R)
• M13: 6,453,054 km (0.11 R)
• M14: 6,799,074 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 14.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.27 AU - 2.97 AU

Year: 2828 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,711,748 km

• M1: 179,069 km (0.055 R)
• M2: 661,821 km (0.06 R)
• M3: 2,243,669 km (0.114 R)
• M4: 2,734,350 km (0.114 R)
• M5: 4,613,150 km (0.094 R)
• M6: 5,188,653 km (0.05 R)
• M7: 6,602,203 km (0.045 R)
• M8: 7,085,254 km (0.031 R)
• M9: 7,591,942 km (0.113 R)
• M10: 8,467,090 km (0.098 R)
• M11: 9,943,920 km (0.108 R)
• M12: 11,803,870 km (0.111 R)
• M13: 12,886,061 km (0.086 R)
• M14: 13,643,475 km (0.066 R)
• M15: 17,198,968 km (0.096 R)
• M16: 17,769,534 km (0.072 R)
• M17: 19,434,259 km (0.116 R)
• M18: 20,621,767 km (0.1 R)
• M19: 21,071,309 km (0.116 R)
• M20: 22,324,490 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.19 AU - 5.97 AU

Year: 7635 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,711,748 km

• M1: 121,623 km (0.106 R)
• M2: 450,439 km (0.118 R)
• M3: 1,119,740 km (0.083 R)
• M4: 1,867,729 km (0.063 R)
• M5: 3,457,805 km (0.076 R)
• M6: 3,991,271 km (0.079 R)
• M7: 6,283,260 km (0.092 R)
• M8: 9,599,097 km (0.035 R)
• M9: 11,528,910 km (0.093 R)
• M10: 12,611,400 km (0.095 R)
• M11: 20,202,744 km (0.055 R)
• M12: 22,704,918 km (0.099 R)
• M13: 23,261,123 km (0.073 R)
• M14: 25,920,225 km (0.103 R)
• M15: 30,183,315 km (0.112 R)
• M16: 30,759,117 km (0.106 R)
• M17: 31,833,828 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 12.5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.64 AU - 6.14 AU

Year: 8345 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,711,748 km

• M1: 171,738 km (0.031 R)
• M2: 655,987 km (0.09 R)
• M3: 1,111,213 km (0.054 R)
• M4: 1,879,996 km (0.1 R)
• M5: 2,292,887 km (0.063 R)
• M6: 2,958,896 km (0.108 R)
• M7: 3,867,853 km (0.051 R)
• M8: 5,569,678 km (0.119 R)
• M9: 7,499,042 km (0.099 R)
• M10: 7,995,258 km (0.095 R)
• M11: 9,310,822 km (0.118 R)
• M12: 9,929,858 km (0.068 R)
• M13: 10,861,703 km (0.103 R)
• M14: 11,598,024 km (0.079 R)
• M15: 15,422,044 km (0.095 R)
• M16: 16,864,168 km (0.12 R)
• M17: 19,798,530 km (0.116 R)
• M18: 20,306,415 km (0.111 R)
• M19: 21,424,360 km (0.104 R)
• M20: 26,221,964 km (0.094 R)
• M21: 26,835,016 km (0.113 R)
• M22: 28,089,543 km (0.061 R)
• M23: 30,139,633 km (0.106 R)
• M24: 31,988,812 km (0.105 R)
• M25: 32,789,609 km (0.036 R)
• M26: 33,603,721 km (0.103 R)
• M27: 35,912,016 km (0.096 R)

Asteroid Belt

Center: 7.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.2

Radius: 4.8

Gravity: 29.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.09 AU - 10.47 AU

Year: 21980 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,711,748 km

• M1: 59,989 km (0.109 R)
• M2: 213,177 km (0.113 R)
• M3: 441,164 km (0.092 R)
• M4: 638,185 km (0.092 R)
• M5: 1,117,346 km (0.091 R)
• M6: 1,922,333 km (0.088 R)
• M7: 6,236,436 km (0.078 R)
• M8: 7,638,916 km (0.096 R)
• M9: 8,413,534 km (0.078 R)
• M10: 12,589,409 km (0.113 R)
• M11: 13,740,864 km (0.098 R)
• M12: 14,804,504 km (0.118 R)
• M13: 17,439,521 km (0.079 R)
• M14: 18,684,774 km (0.025 R)
• M15: 23,192,307 km (0.115 R)
• M16: 34,688,305 km (0.061 R)
• M17: 42,979,319 km (0.037 R)
• M18: 47,241,063 km (0.092 R)
• M19: 69,264,263 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.9

Radius: 5.5

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.94 AU - 12.8 AU

Year: 22269 Days

Day: 22.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,711,748 km

• M1: 68,516 km (0.089 R)
• M2: 468,690 km (0.098 R)
• M3: 642,672 km (0.089 R)
• M4: 1,331,421 km (0.1 R)
• M5: 2,054,577 km (0.119 R)
• M6: 2,535,235 km (0.038 R)
• M7: 2,961,290 km (0.117 R)
• M8: 4,594,749 km (0.115 R)
• M9: 4,834,106 km (0.112 R)
• M10: 5,227,099 km (0.055 R)
• M11: 7,240,687 km (0.094 R)
• M12: 8,752,223 km (0.111 R)
• M13: 10,877,261 km (0.112 R)
• M14: 12,058,785 km (0.076 R)
• M15: 12,914,934 km (0.112 R)
• M16: 13,118,088 km (0.12 R)
• M17: 13,740,564 km (0.035 R)
• M18: 14,747,657 km (0.118 R)
• M19: 15,957,605 km (0.11 R)
• M20: 23,917,109 km (0.115 R)
• M21: 30,082,337 km (0.08 R)
• M22: 43,729,402 km (0.075 R)
• M23: 45,114,529 km (0.113 R)
• M24: 48,134,312 km (0.109 R)
• M25: 48,623,198 km (0.099 R)
• M26: 48,950,817 km (0.086 R)
• M27: 49,280,082 km (0.119 R)
• M28: 57,447,228 km (0.11 R)
• M29: 60,043,649 km (0.076 R)
• M30: 66,270,062 km (0.108 R)
• M31: 67,077,441 km (0.077 R)
• M32: 67,891,254 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 15,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit