🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 10.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.84 AU - 1.28 AU

Year: 728 Days

Day: 7.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,687,392 km

• M1: 134,339 km (0.043 R)
• M2: 525,687 km (0.1 R)
• M3: 1,188,256 km (0.096 R)
• M4: 1,834,070 km (0.097 R)
• M5: 2,589,689 km (0.059 R)
• M6: 2,983,730 km (0.088 R)
• M7: 3,329,899 km (0.108 R)
• M8: 4,427,349 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.6

Radius: 11.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.48 AU - 2.82 AU

Year: 2877 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,687,392 km

• M1: 147,354 km (0.042 R)
• M2: 595,848 km (0.04 R)
• M3: 1,235,678 km (0.112 R)
• M4: 2,328,341 km (0.091 R)
• M5: 2,790,599 km (0.055 R)
• M6: 3,193,915 km (0.078 R)
• M7: 3,767,473 km (0.109 R)
• M8: 4,221,353 km (0.117 R)
• M9: 5,263,751 km (0.082 R)
• M10: 5,884,133 km (0.072 R)
• M11: 7,242,033 km (0.105 R)
• M12: 7,696,661 km (0.033 R)
• M13: 8,170,587 km (0.11 R)
• M14: 9,246,644 km (0.113 R)
• M15: 9,637,693 km (0.096 R)
• M16: 10,039,663 km (0.079 R)
• M17: 10,453,002 km (0.086 R)
• M18: 11,968,877 km (0.095 R)
• M19: 13,310,171 km (0.111 R)
• M20: 14,463,122 km (0.102 R)
• M21: 16,756,457 km (0.066 R)
• M22: 17,608,118 km (0.043 R)
• M23: 18,769,446 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517

Radius: 11.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.13 AU - 3.39 AU

Year: 3925 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,687,392 km

• M1: 138,677 km (0.054 R)
• M2: 595,848 km (0.095 R)
• M3: 1,004,550 km (0.093 R)
• M4: 1,800,410 km (0.094 R)
• M5: 2,173,807 km (0.096 R)
• M6: 2,583,705 km (0.063 R)
• M7: 4,114,091 km (0.112 R)
• M8: 5,417,088 km (0.113 R)
• M9: 7,164,541 km (0.09 R)
• M10: 9,562,595 km (0.078 R)
• M11: 10,307,443 km (0.102 R)
• M12: 10,880,552 km (0.061 R)
• M13: 11,824,066 km (0.049 R)
• M14: 16,644,857 km (0.105 R)
• M15: 19,703,236 km (0.065 R)
• M16: 22,095,157 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.3

Radius: 13.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.01 AU - 3.77 AU

Year: 4162 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,687,392 km

• M1: 167,849 km (0.093 R)
• M2: 599,439 km (0.094 R)
• M3: 1,043,894 km (0.117 R)
• M4: 1,522,009 km (0.109 R)
• M5: 2,693,659 km (0.086 R)
• M6: 3,365,952 km (0.105 R)
• M7: 4,272,216 km (0.117 R)
• M8: 4,862,828 km (0.053 R)
• M9: 6,209,060 km (0.052 R)
• M10: 6,823,907 km (0.087 R)
• M11: 8,574,052 km (0.089 R)
• M12: 9,054,860 km (0.026 R)
• M13: 10,298,467 km (0.089 R)
• M14: 10,881,899 km (0.092 R)
• M15: 11,903,652 km (0.057 R)
• M16: 13,623,878 km (0.041 R)
• M17: 14,664,630 km (0.053 R)
• M18: 15,105,346 km (0.054 R)
• M19: 16,376,329 km (0.102 R)
• M20: 17,118,634 km (0.084 R)
• M21: 18,556,569 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.7

Radius: 8.1

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.49 AU - 4.05 AU

Year: 4881 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,687,392 km

• M1: 100,829 km (0.054 R)
• M2: 477,816 km (0.101 R)
• M3: 988,842 km (0.049 R)
• M4: 1,314,367 km (0.05 R)
• M5: 1,574,368 km (0.117 R)
• M6: 2,037,523 km (0.103 R)
• M7: 2,692,612 km (0.118 R)
• M8: 3,137,067 km (0.039 R)
• M9: 3,522,880 km (0.116 R)
• M10: 4,488,983 km (0.05 R)
• M11: 5,563,844 km (0.1 R)
• M12: 6,008,150 km (0.112 R)
• M13: 7,137,314 km (0.094 R)
• M14: 8,175,075 km (0.065 R)
• M15: 9,599,247 km (0.111 R)
• M16: 11,181,842 km (0.113 R)
• M17: 12,427,993 km (0.11 R)
• M18: 13,291,172 km (0.032 R)
• M19: 13,924,271 km (0.109 R)
• M20: 14,302,753 km (0.052 R)
• M21: 14,577,265 km (0.102 R)
• M22: 16,598,482 km (0.084 R)
• M23: 17,147,058 km (0.111 R)
• M24: 21,330,712 km (0.105 R)
• M25: 23,695,854 km (0.079 R)
• M26: 24,157,962 km (0.094 R)
• M27: 25,500,004 km (0.109 R)
• M28: 25,822,836 km (0.06 R)
• M29: 27,902,995 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569

Radius: 13.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.85 AU - 5.13 AU

Year: 6345 Days

Day: 7.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,687,392 km

• M1: 166,652 km (0.098 R)
• M2: 585,376 km (0.076 R)
• M3: 1,087,427 km (0.104 R)
• M4: 1,672,803 km (0.104 R)
• M5: 2,532,542 km (0.105 R)
• M6: 3,537,990 km (0.096 R)
• M7: 3,990,074 km (0.112 R)
• M8: 5,264,050 km (0.101 R)
• M9: 5,764,604 km (0.091 R)
• M10: 6,759,879 km (0.078 R)
• M11: 7,533,450 km (0.1 R)
• M12: 8,017,698 km (0.076 R)
• M13: 8,966,896 km (0.105 R)
• M14: 9,683,470 km (0.067 R)
• M15: 10,392,564 km (0.108 R)
• M16: 11,183,488 km (0.081 R)
• M17: 12,064,470 km (0.115 R)
• M18: 12,573,551 km (0.109 R)
• M19: 13,580,495 km (0.1 R)
• M20: 15,694,911 km (0.096 R)
• M21: 18,152,505 km (0.085 R)
• M22: 20,495,656 km (0.107 R)
• M23: 20,929,191 km (0.034 R)
• M24: 25,775,264 km (0.087 R)
• M25: 26,706,960 km (0.063 R)
• M26: 29,821,139 km (0.085 R)
• M27: 32,091,586 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.3

Radius: 6.4

Gravity: 22.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.83 AU - 7.93 AU

Year: 12034 Days

Day: 22.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,687,392 km

• M1: 79,586 km (0.066 R)
• M2: 301,589 km (0.107 R)
• M3: 623,823 km (0.118 R)
• M4: 1,305,840 km (0.046 R)
• M5: 1,821,204 km (0.09 R)
• M6: 3,001,980 km (0.11 R)
• M7: 3,781,236 km (0.042 R)
• M8: 4,370,801 km (0.07 R)
• M9: 4,720,262 km (0.039 R)
• M10: 5,403,475 km (0.119 R)
• M11: 5,806,193 km (0.096 R)
• M12: 6,837,969 km (0.073 R)
• M13: 7,441,447 km (0.117 R)
• M14: 7,756,350 km (0.089 R)
• M15: 9,105,424 km (0.056 R)
• M16: 9,310,074 km (0.064 R)
• M17: 10,051,032 km (0.066 R)
• M18: 11,589,945 km (0.057 R)
• M19: 13,084,129 km (0.086 R)
• M20: 13,944,915 km (0.093 R)
• M21: 14,772,491 km (0.061 R)
• M22: 15,342,010 km (0.054 R)
• M23: 16,525,030 km (0.071 R)
• M24: 17,372,801 km (0.111 R)
• M25: 17,767,739 km (0.105 R)
• M26: 18,330,377 km (0.117 R)
• M27: 23,555,082 km (0.075 R)
• M28: 27,611,877 km (0.095 R)
• M29: 28,149,532 km (0.113 R)
• M30: 29,804,683 km (0.096 R)
• M31: 34,285,887 km (0.1 R)
• M32: 37,729,630 km (0.102 R)
• M33: 44,408,577 km (0.101 R)
• M34: 44,702,836 km (0.059 R)
• M35: 52,487,909 km (0.104 R)
• M36: 54,988,288 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 20,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit