🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.53 AU - 0.55 AU

Year: 256 Days

Day: 39.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.54 AU - 0.72 AU

Year: 323 Days

Day: 40.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,929,314 km

• M1: 82,578 km (0.108 R)

Asteroid Belt

Center: 1.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.9

Radius: 14.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.91 AU - 2.91 AU

Year: 2416 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,929,314 km

• M1: 189,989 km (0.068 R)
• M2: 721,511 km (0.1 R)
• M3: 1,866,084 km (0.071 R)
• M4: 2,387,732 km (0.081 R)
• M5: 3,838,532 km (0.092 R)
• M6: 5,180,125 km (0.087 R)
• M7: 8,226,836 km (0.066 R)
• M8: 8,800,394 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 10.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.64 AU - 4.16 AU

Year: 4048 Days

Day: 13.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,929,314 km

• M1: 133,142 km (0.081 R)
• M2: 987,047 km (0.06 R)
• M3: 1,814,473 km (0.057 R)
• M4: 2,260,424 km (0.04 R)
• M5: 2,601,507 km (0.103 R)
• M6: 3,028,310 km (0.116 R)
• M7: 4,345,519 km (0.097 R)
• M8: 5,472,589 km (0.073 R)
• M9: 8,117,928 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.3

Radius: 11.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.97 AU - 4.47 AU

Year: 5597 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,929,314 km

• M1: 145,559 km (0.063 R)
• M2: 642,523 km (0.078 R)
• M3: 1,635,703 km (0.12 R)
• M4: 2,951,117 km (0.087 R)
• M5: 3,403,202 km (0.082 R)
• M6: 4,487,487 km (0.087 R)
• M7: 5,487,549 km (0.046 R)
• M8: 6,324,549 km (0.092 R)
• M9: 8,494,915 km (0.081 R)
• M10: 9,187,703 km (0.035 R)
• M11: 13,025,038 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560

Radius: 11.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.57 AU - 5.53 AU

Year: 6267 Days

Day: 9.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,929,314 km

• M1: 138,378 km (0.105 R)
• M2: 495,618 km (0.09 R)
• M3: 1,931,458 km (0.106 R)
• M4: 2,559,470 km (0.065 R)
• M5: 2,922,095 km (0.09 R)
• M6: 4,126,208 km (0.094 R)
• M7: 4,473,425 km (0.082 R)
• M8: 5,003,750 km (0.06 R)
• M9: 6,190,659 km (0.089 R)
• M10: 7,556,488 km (0.08 R)
• M11: 8,427,596 km (0.098 R)
• M12: 12,185,046 km (0.063 R)
• M13: 13,328,422 km (0.082 R)
• M14: 14,598,658 km (0.088 R)
• M15: 16,313,349 km (0.073 R)
• M16: 17,571,616 km (0.096 R)
• M17: 18,290,584 km (0.064 R)
• M18: 18,961,231 km (0.108 R)
• M19: 19,787,460 km (0.051 R)
• M20: 22,334,812 km (0.106 R)
• M21: 24,605,110 km (0.118 R)
• M22: 28,604,459 km (0.071 R)
• M23: 29,054,001 km (0.08 R)
• M24: 29,416,925 km (0.112 R)
• M25: 31,946,625 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.8

Radius: 4.4

Gravity: 20.5 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.06 AU - 10.64 AU

Year: 19960 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,929,314 km

• M1: 158,723 km (0.051 R)
• M2: 338,989 km (0.101 R)
• M3: 546,032 km (0.113 R)
• M4: 701,464 km (0.114 R)
• M5: 1,008,439 km (0.072 R)
• M6: 2,791,646 km (0.114 R)
• M7: 3,107,148 km (0.098 R)
• M8: 5,594,362 km (0.094 R)
• M9: 5,745,456 km (0.105 R)
• M10: 6,459,337 km (0.114 R)
• M11: 6,667,727 km (0.107 R)
• M12: 9,212,835 km (0.057 R)
• M13: 10,815,926 km (0.077 R)
• M14: 11,713,962 km (0.112 R)
• M15: 15,211,411 km (0.113 R)
• M16: 31,022,559 km (0.055 R)
• M17: 40,733,107 km (0.077 R)
• M18: 52,789,947 km (0.086 R)
• M19: 56,752,047 km (0.086 R)
• M20: 58,895,784 km (0.097 R)
• M21: 60,907,875 km (0.078 R)
• M22: 61,093,078 km (0.112 R)
• M23: 61,650,778 km (0.101 R)
• M24: 61,837,327 km (0.103 R)
• M25: 62,776,353 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489

Radius: 3.1

Gravity: 50.88 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.59 AU - 10.23 AU

Year: 20143 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,929,314 km

• M1: 41,738 km (0.111 R)
• M2: 139,724 km (0.116 R)
• M3: 350,957 km (0.089 R)
• M4: 544,835 km (0.102 R)
• M5: 795,861 km (0.109 R)
• M6: 902,374 km (0.115 R)
• M7: 1,252,733 km (0.08 R)
• M8: 2,112,621 km (0.089 R)
• M9: 2,770,253 km (0.116 R)
• M10: 2,991,509 km (0.092 R)
• M11: 3,815,344 km (0.035 R)
• M12: 4,151,939 km (0.087 R)
• M13: 4,919,376 km (0.066 R)
• M14: 7,590,596 km (0.072 R)
• M15: 8,729,185 km (0.114 R)
• M16: 9,204,009 km (0.103 R)
• M17: 13,225,050 km (0.084 R)
• M18: 13,500,759 km (0.09 R)
• M19: 18,023,851 km (0.068 R)
• M20: 18,878,802 km (0.104 R)
• M21: 19,053,084 km (0.117 R)
• M22: 20,947,143 km (0.084 R)
• M23: 21,227,639 km (0.112 R)
• M24: 22,083,937 km (0.073 R)
• M25: 25,420,867 km (0.092 R)
• M26: 28,617,773 km (0.073 R)
• M27: 30,371,809 km (0.068 R)
• M28: 30,610,866 km (0.078 R)
• M29: 30,730,993 km (0.118 R)
• M30: 31,093,020 km (0.113 R)
• M31: 32,694,764 km (0.115 R)
• M32: 37,005,876 km (0.11 R)
• M33: 38,943,766 km (0.118 R)
• M34: 39,226,058 km (0.109 R)
• M35: 40,513,198 km (0.11 R)
• M36: 45,006,519 km (0.097 R)
• M37: 50,487,337 km (0.097 R)
• M38: 53,561,274 km (0.115 R)
• M39: 62,170,631 km (0.073 R)
• M40: 62,363,313 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482

Radius: 7.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.39 AU - 12.45 AU

Year: 23300 Days

Day: 22.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,929,314 km

• M1: 88,263 km (0.115 R)
• M2: 539,450 km (0.071 R)
• M3: 998,865 km (0.075 R)
• M4: 2,009,698 km (0.052 R)
• M5: 4,596,395 km (0.037 R)
• M6: 8,785,883 km (0.106 R)
• M7: 9,957,683 km (0.047 R)
• M8: 14,168,265 km (0.103 R)
• M9: 17,838,798 km (0.092 R)
• M10: 18,802,059 km (0.076 R)
• M11: 21,702,761 km (0.1 R)
• M12: 32,297,582 km (0.079 R)
• M13: 33,201,751 km (0.115 R)
• M14: 35,196,041 km (0.098 R)
• M15: 43,036,315 km (0.057 R)
• M16: 43,659,391 km (0.117 R)
• M17: 51,613,809 km (0.099 R)
• M18: 69,242,122 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 10,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit