🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.76 AU - 1.25 AU

Year: 381 Days

Day: 46.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.26 AU - 1.32 AU

Year: 558 Days

Day: 39.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.8

Radius: 8.6

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.96 AU - 6.96 AU

Year: 6992 Days

Day: 13 Hours

Environment

Temp: -172 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 101,741,288 km

• M1: 106,962 km (0.088 R)
• M2: 478,115 km (0.1 R)
• M3: 782,846 km (0.097 R)
• M4: 1,061,846 km (0.101 R)
• M5: 1,756,877 km (0.106 R)
• M6: 2,610,632 km (0.119 R)
• M7: 3,668,738 km (0.106 R)
• M8: 4,668,650 km (0.062 R)
• M9: 5,773,879 km (0.091 R)
• M10: 6,075,618 km (0.112 R)
• M11: 6,566,000 km (0.11 R)
• M12: 7,235,002 km (0.054 R)
• M13: 8,795,607 km (0.106 R)
• M14: 13,422,968 km (0.12 R)
• M15: 15,438,500 km (0.082 R)
• M16: 16,551,957 km (0.079 R)
• M17: 17,929,305 km (0.112 R)
• M18: 20,910,641 km (0.094 R)
• M19: 23,437,050 km (0.048 R)
• M20: 24,207,030 km (0.109 R)
• M21: 25,259,900 km (0.085 R)
• M22: 25,887,912 km (0.086 R)
• M23: 26,434,542 km (0.106 R)
• M24: 31,912,966 km (0.069 R)
• M25: 35,471,750 km (0.093 R)
• M26: 37,520,343 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.6

Radius: 12

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.33 AU - 12.85 AU

Year: 13123 Days

Day: 5.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 101,741,288 km

• M1: 151,991 km (0.078 R)
• M2: 625,020 km (0.047 R)
• M3: 1,446,312 km (0.111 R)
• M4: 2,072,379 km (0.054 R)
• M5: 2,737,641 km (0.111 R)
• M6: 3,157,861 km (0.029 R)
• M7: 6,701,386 km (0.082 R)
• M8: 9,188,152 km (0.102 R)
• M9: 9,922,079 km (0.106 R)
• M10: 11,626,298 km (0.101 R)
• M11: 12,235,610 km (0.093 R)
• M12: 13,254,671 km (0.088 R)
• M13: 14,959,189 km (0.092 R)
• M14: 16,576,042 km (0.107 R)
• M15: 17,348,416 km (0.081 R)
• M16: 19,131,922 km (0.119 R)
• M17: 20,679,512 km (0.081 R)
• M18: 22,682,628 km (0.09 R)
• M19: 23,060,362 km (0.057 R)
• M20: 27,603,500 km (0.037 R)
• M21: 29,801,691 km (0.063 R)
• M22: 32,710,622 km (0.104 R)
• M23: 33,314,399 km (0.116 R)
• M24: 37,355,635 km (0.066 R)
• M25: 38,682,868 km (0.109 R)
• M26: 44,601,408 km (0.106 R)
• M27: 45,943,900 km (0.078 R)
• M28: 47,313,019 km (0.063 R)
• M29: 53,062,664 km (0.066 R)
• M30: 55,589,970 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.4

Radius: 6.3

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 11.18 AU - 18.02 AU

Year: 21243 Days

Day: 19.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 101,741,288 km

• M1: 79,736 km (0.077 R)
• M2: 276,008 km (0.114 R)
• M3: 1,256,323 km (0.086 R)
• M4: 1,479,373 km (0.036 R)
• M5: 1,836,613 km (0.095 R)
• M6: 2,400,896 km (0.094 R)
• M7: 2,796,283 km (0.081 R)
• M8: 2,996,894 km (0.111 R)
• M9: 3,288,610 km (0.065 R)
• M10: 5,849,277 km (0.092 R)
• M11: 7,526,867 km (0.11 R)
• M12: 8,269,621 km (0.079 R)
• M13: 9,114,549 km (0.088 R)
• M14: 11,604,456 km (0.105 R)
• M15: 12,257,900 km (0.059 R)
• M16: 13,354,153 km (0.074 R)
• M17: 14,071,625 km (0.089 R)
• M18: 18,747,456 km (0.059 R)
• M19: 19,193,407 km (0.056 R)
• M20: 19,921,500 km (0.08 R)
• M21: 20,385,851 km (0.068 R)
• M22: 20,667,843 km (0.118 R)
• M23: 24,894,881 km (0.116 R)
• M24: 25,433,583 km (0.118 R)
• M25: 26,090,317 km (0.095 R)
• M26: 33,813,008 km (0.079 R)
• M27: 36,645,345 km (0.103 R)
• M28: 41,861,823 km (0.076 R)
• M29: 42,623,425 km (0.086 R)
• M30: 47,223,410 km (0.095 R)
• M31: 53,558,581 km (0.105 R)
• M32: 60,437,241 km (0.101 R)
• M33: 68,721,522 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.7

Radius: 4.6

Gravity: 29.85 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 13.58 AU - 15.84 AU

Year: 21484 Days

Day: 24.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 101,741,288 km

• M1: 57,146 km (0.074 R)
• M2: 231,727 km (0.055 R)
• M3: 495,019 km (0.111 R)
• M4: 765,792 km (0.094 R)
• M5: 1,143,825 km (0.105 R)
• M6: 1,314,217 km (0.1 R)
• M7: 1,761,216 km (0.103 R)
• M8: 2,483,474 km (0.109 R)
• M9: 2,771,450 km (0.107 R)
• M10: 2,923,591 km (0.085 R)
• M11: 3,356,827 km (0.118 R)
• M12: 4,249,776 km (0.103 R)
• M13: 4,626,464 km (0.069 R)
• M14: 4,914,140 km (0.078 R)
• M15: 5,137,789 km (0.096 R)
• M16: 6,100,601 km (0.109 R)
• M17: 7,963,095 km (0.075 R)
• M18: 8,323,925 km (0.092 R)
• M19: 8,912,892 km (0.08 R)
• M20: 10,536,926 km (0.114 R)
• M21: 12,280,190 km (0.074 R)
• M22: 15,757,593 km (0.055 R)
• M23: 18,025,347 km (0.087 R)
• M24: 22,475,434 km (0.065 R)
• M25: 24,036,488 km (0.111 R)
• M26: 31,512,343 km (0.053 R)
• M27: 36,050,394 km (0.104 R)
• M28: 41,769,969 km (0.102 R)
• M29: 49,602,914 km (0.108 R)
• M30: 68,092,313 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667

Radius: 5.6

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 18.62 AU - 19.22 AU

Year: 31338 Days

Day: 18.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 101,741,288 km

• M1: 73,004 km (0.055 R)
• M2: 342,729 km (0.104 R)
• M3: 1,181,973 km (0.107 R)
• M4: 1,755,531 km (0.109 R)
• M5: 2,575,028 km (0.065 R)
• M6: 3,069,300 km (0.111 R)
• M7: 3,464,088 km (0.06 R)
• M8: 4,428,845 km (0.088 R)
• M9: 5,136,592 km (0.104 R)
• M10: 10,692,957 km (0.089 R)
• M11: 11,173,764 km (0.116 R)
• M12: 13,957,033 km (0.088 R)
• M13: 14,365,435 km (0.106 R)
• M14: 17,924,817 km (0.091 R)
• M15: 19,499,334 km (0.076 R)
• M16: 20,320,328 km (0.08 R)
• M17: 20,739,202 km (0.094 R)
• M18: 21,702,911 km (0.118 R)
• M19: 23,719,341 km (0.097 R)
• M20: 33,035,997 km (0.09 R)
• M21: 33,324,721 km (0.071 R)
• M22: 33,615,090 km (0.113 R)
• M23: 39,947,568 km (0.075 R)
• M24: 49,440,151 km (0.097 R)
• M25: 51,348,572 km (0.076 R)
• M26: 51,930,507 km (0.083 R)
• M27: 65,417,653 km (0.069 R)
• M28: 66,559,982 km (0.1 R)
• M29: 77,956,348 km (0.098 R)
• M30: 92,575,950 km (0.037 R)
• M31: 93,149,957 km (0.12 R)
• M32: 97,827,433 km (0.048 R)
• M33: 99,020,775 km (0.066 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 14,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit