🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.54 AU - 0.58 AU

Year: 271 Days

Day: 43.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,924,886 km

• M1: 280,197 km (0.07 R)
• M2: 327,919 km (0.042 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.49 AU - 0.65 AU

Year: 278 Days

Day: 21.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,924,886 km

• M1: 323,131 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.4

Radius: 12

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.83 AU - 1.05 AU

Year: 588 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,924,886 km

• M1: 149,747 km (0.066 R)
• M2: 555,158 km (0.059 R)
• M3: 1,138,440 km (0.072 R)
• M4: 1,578,258 km (0.071 R)
• M5: 2,160,193 km (0.114 R)
• M6: 2,690,368 km (0.111 R)
• M7: 3,514,204 km (0.069 R)
• M8: 4,058,590 km (0.081 R)
• M9: 5,177,134 km (0.12 R)
• M10: 5,604,834 km (0.092 R)
• M11: 6,017,574 km (0.112 R)
• M12: 6,613,273 km (0.078 R)
• M13: 7,269,858 km (0.069 R)
• M14: 7,648,042 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.3

Radius: 8.3

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.97 AU - 0.97 AU

Year: 617 Days

Day: 8.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,924,886 km

• M1: 103,522 km (0.114 R)
• M2: 380,727 km (0.079 R)
• M3: 649,105 km (0.073 R)
• M4: 931,396 km (0.05 R)
• M5: 1,374,954 km (0.104 R)
• M6: 1,895,255 km (0.106 R)
• M7: 2,155,855 km (0.068 R)
• M8: 2,551,242 km (0.067 R)
• M9: 3,017,239 km (0.053 R)
• M10: 3,629,244 km (0.096 R)
• M11: 5,033,669 km (0.115 R)
• M12: 5,469,448 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 9

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.24 AU - 1.68 AU

Year: 1139 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,924,886 km

• M1: 112,198 km (0.102 R)
• M2: 417,528 km (0.082 R)
• M3: 1,043,296 km (0.103 R)
• M4: 1,376,749 km (0.045 R)
• M5: 1,762,113 km (0.093 R)
• M6: 2,620,955 km (0.114 R)
• M7: 3,589,152 km (0.077 R)
• M8: 4,454,875 km (0.117 R)
• M9: 5,825,191 km (0.099 R)
• M10: 6,120,647 km (0.09 R)
• M11: 8,193,625 km (0.119 R)
• M12: 8,978,116 km (0.087 R)
• M13: 9,748,096 km (0.092 R)
• M14: 11,883,756 km (0.064 R)
• M15: 12,509,673 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 13.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.22 AU - 2.66 AU

Year: 2461 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,924,886 km

• M1: 166,652 km (0.061 R)
• M2: 598,391 km (0.102 R)
• M3: 1,267,244 km (0.104 R)
• M4: 1,701,377 km (0.107 R)
• M5: 2,236,937 km (0.067 R)
• M6: 2,728,815 km (0.087 R)
• M7: 3,654,676 km (0.066 R)
• M8: 4,172,584 km (0.051 R)
• M9: 5,203,463 km (0.093 R)
• M10: 6,807,601 km (0.059 R)
• M11: 7,235,301 km (0.075 R)
• M12: 8,782,741 km (0.082 R)
• M13: 9,388,014 km (0.075 R)
• M14: 9,851,768 km (0.087 R)
• M15: 11,298,828 km (0.053 R)
• M16: 13,498,515 km (0.091 R)
• M17: 14,655,206 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.3

Radius: 7.3

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.9 AU - 7.18 AU

Year: 9585 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,924,886 km

• M1: 90,806 km (0.086 R)
• M2: 819,048 km (0.103 R)
• M3: 1,101,040 km (0.049 R)
• M4: 1,423,274 km (0.105 R)
• M5: 2,576,375 km (0.038 R)
• M6: 3,149,484 km (0.044 R)
• M7: 3,477,851 km (0.101 R)
• M8: 3,804,573 km (0.074 R)
• M9: 4,996,120 km (0.08 R)
• M10: 6,803,711 km (0.076 R)
• M11: 7,241,435 km (0.064 R)
• M12: 7,581,770 km (0.067 R)
• M13: 11,395,019 km (0.05 R)
• M14: 11,701,097 km (0.117 R)
• M15: 15,130,628 km (0.11 R)
• M16: 15,376,567 km (0.048 R)
• M17: 15,876,373 km (0.083 R)
• M18: 21,177,823 km (0.086 R)
• M19: 23,151,018 km (0.057 R)
• M20: 25,416,379 km (0.038 R)
• M21: 29,132,540 km (0.11 R)
• M22: 29,609,159 km (0.111 R)
• M23: 29,897,583 km (0.089 R)
• M24: 30,187,803 km (0.118 R)
• M25: 31,169,165 km (0.064 R)
• M26: 36,287,058 km (0.098 R)

Asteroid Belt

Center: 6.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.7

Radius: 7.7

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.22 AU - 7.34 AU

Year: 11399 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,924,886 km

• M1: 97,538 km (0.049 R)
• M2: 400,773 km (0.083 R)
• M3: 643,869 km (0.051 R)
• M4: 2,240,527 km (0.093 R)
• M5: 3,582,271 km (0.101 R)
• M6: 5,013,773 km (0.114 R)
• M7: 10,189,410 km (0.108 R)
• M8: 11,374,824 km (0.119 R)
• M9: 12,084,067 km (0.095 R)
• M10: 17,042,040 km (0.064 R)
• M11: 18,781,414 km (0.116 R)
• M12: 19,926,586 km (0.117 R)
• M13: 25,522,743 km (0.03 R)
• M14: 28,578,579 km (0.11 R)
• M15: 33,166,746 km (0.093 R)
• M16: 36,796,139 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.2

Radius: 3.6

Gravity: 17.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.28 AU - 10.18 AU

Year: 18106 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,924,886 km

• M1: 52,958 km (0.089 R)
• M2: 237,561 km (0.085 R)
• M3: 354,248 km (0.096 R)
• M4: 586,872 km (0.059 R)
• M5: 808,576 km (0.055 R)
• M6: 933,940 km (0.094 R)
• M7: 2,087,040 km (0.075 R)
• M8: 2,684,833 km (0.056 R)
• M9: 3,538,438 km (0.049 R)
• M10: 4,618,834 km (0.084 R)
• M11: 7,446,234 km (0.085 R)
• M12: 12,442,504 km (0.1 R)
• M13: 12,918,524 km (0.104 R)
• M14: 16,032,553 km (0.111 R)
• M15: 17,392,099 km (0.093 R)
• M16: 18,061,998 km (0.111 R)
• M17: 18,289,237 km (0.074 R)
• M18: 20,666,048 km (0.095 R)
• M19: 20,914,530 km (0.069 R)
• M20: 21,081,182 km (0.082 R)
• M21: 26,311,423 km (0.12 R)
• M22: 34,620,089 km (0.086 R)
• M23: 42,085,771 km (0.034 R)
• M24: 44,794,390 km (0.109 R)
• M25: 46,474,075 km (0.037 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 11,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit