🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.56 AU - 0.66 AU

Year: 313 Days

Day: 25.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,067,771 km

• M1: 682,316 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 10.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.58 AU - 0.94 AU

Year: 435 Days

Day: 8.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,067,771 km

• M1: 126,859 km (0.088 R)
• M2: 462,557 km (0.119 R)
• M3: 838,197 km (0.075 R)
• M4: 1,772,884 km (0.066 R)
• M5: 2,460,586 km (0.099 R)
• M6: 2,812,889 km (0.092 R)
• M7: 3,284,571 km (0.104 R)
• M8: 3,666,793 km (0.037 R)
• M9: 4,269,972 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.7

Radius: 14.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.46 AU - 1.56 AU

Year: 1217 Days

Day: 14.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,067,771 km

• M1: 179,069 km (0.113 R)
• M2: 732,730 km (0.088 R)
• M3: 1,503,309 km (0.113 R)
• M4: 1,993,691 km (0.104 R)
• M5: 2,635,316 km (0.069 R)
• M6: 4,277,901 km (0.082 R)
• M7: 5,161,725 km (0.099 R)
• M8: 6,525,908 km (0.052 R)
• M9: 7,030,651 km (0.094 R)
• M10: 7,561,424 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.2

Radius: 4.2

Gravity: 45.53 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.39 AU - 7.81 AU

Year: 12411 Days

Day: 22.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,067,771 km

• M1: 52,509 km (0.074 R)
• M2: 532,868 km (0.097 R)
• M3: 761,752 km (0.113 R)
• M4: 1,225,805 km (0.108 R)
• M5: 1,674,599 km (0.11 R)
• M6: 1,945,371 km (0.084 R)
• M7: 2,574,280 km (0.12 R)
• M8: 4,592,804 km (0.036 R)
• M9: 4,986,396 km (0.117 R)
• M10: 6,461,730 km (0.093 R)
• M11: 6,913,516 km (0.119 R)
• M12: 7,474,358 km (0.028 R)
• M13: 7,743,036 km (0.069 R)
• M14: 11,372,430 km (0.11 R)
• M15: 11,969,176 km (0.102 R)
• M16: 12,523,885 km (0.034 R)
• M17: 13,551,922 km (0.083 R)
• M18: 16,142,508 km (0.11 R)
• M19: 17,592,859 km (0.085 R)
• M20: 20,228,026 km (0.084 R)
• M21: 21,014,013 km (0.047 R)
• M22: 21,459,366 km (0.104 R)
• M23: 22,739,924 km (0.064 R)
• M24: 25,051,959 km (0.088 R)
• M25: 31,739,881 km (0.118 R)
• M26: 33,278,645 km (0.064 R)
• M27: 34,866,477 km (0.099 R)
• M28: 46,359,931 km (0.081 R)
• M29: 50,688,995 km (0.119 R)
• M30: 54,273,509 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.5

Radius: 7.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.42 AU - 7.84 AU

Year: 13826 Days

Day: 15.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,067,771 km

• M1: 97,089 km (0.117 R)
• M2: 391,198 km (0.109 R)
• M3: 706,102 km (0.113 R)
• M4: 1,094,907 km (0.093 R)
• M5: 2,324,601 km (0.082 R)
• M6: 3,128,540 km (0.066 R)
• M7: 4,264,437 km (0.063 R)
• M8: 4,650,549 km (0.111 R)
• M9: 5,366,674 km (0.097 R)
• M10: 7,321,320 km (0.097 R)
• M11: 8,543,385 km (0.051 R)
• M12: 10,623,394 km (0.066 R)
• M13: 11,807,311 km (0.092 R)
• M14: 12,075,839 km (0.086 R)
• M15: 12,906,108 km (0.084 R)
• M16: 14,680,039 km (0.099 R)
• M17: 15,305,957 km (0.094 R)
• M18: 16,080,126 km (0.112 R)
• M19: 16,812,706 km (0.073 R)
• M20: 17,636,841 km (0.081 R)
• M21: 19,890,383 km (0.117 R)
• M22: 21,362,726 km (0.11 R)
• M23: 26,487,799 km (0.106 R)
• M24: 31,545,404 km (0.074 R)
• M25: 34,518,362 km (0.098 R)
• M26: 37,096,083 km (0.111 R)
• M27: 40,403,991 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391

Radius: 3.8

Gravity: 27.08 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.74 AU - 11 AU

Year: 21907 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,067,771 km

• M1: 48,021 km (0.101 R)
• M2: 204,949 km (0.072 R)
• M3: 551,867 km (0.073 R)
• M4: 676,781 km (0.095 R)
• M5: 1,132,605 km (0.073 R)
• M6: 1,767,798 km (0.117 R)
• M7: 2,122,195 km (0.113 R)
• M8: 2,264,014 km (0.118 R)
• M9: 2,544,361 km (0.061 R)
• M10: 2,995,249 km (0.081 R)
• M11: 4,084,321 km (0.119 R)
• M12: 4,700,215 km (0.097 R)
• M13: 7,321,021 km (0.032 R)
• M14: 8,475,168 km (0.039 R)
• M15: 9,745,404 km (0.117 R)
• M16: 10,025,002 km (0.114 R)
• M17: 12,722,102 km (0.091 R)
• M18: 13,123,772 km (0.093 R)
• M19: 13,533,820 km (0.117 R)
• M20: 14,307,690 km (0.103 R)
• M21: 15,036,232 km (0.066 R)
• M22: 15,942,944 km (0.085 R)
• M23: 16,885,411 km (0.096 R)
• M24: 23,332,182 km (0.117 R)
• M25: 24,237,847 km (0.037 R)
• M26: 29,934,684 km (0.116 R)
• M27: 33,977,117 km (0.112 R)
• M28: 43,423,924 km (0.097 R)
• M29: 44,638,658 km (0.117 R)
• M30: 45,564,370 km (0.044 R)
• M31: 47,454,090 km (0.118 R)
• M32: 49,559,531 km (0.028 R)
• M33: 53,263,125 km (0.06 R)
• M34: 56,069,432 km (0.085 R)
• M35: 57,872,684 km (0.108 R)
• M36: 58,604,667 km (0.09 R)
• M37: 63,126,412 km (0.104 R)
• M38: 66,266,770 km (0.111 R)
• M39: 66,466,334 km (0.037 R)
• M40: 66,866,957 km (0.113 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 18,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit