🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.93 AU - 1.23 AU

Year: 432 Days

Day: 47.5 Hours

Environment

Temp: -7 °C

Axial Tilt: 0 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.63 AU - 2.49 AU

Year: 1138 Days

Day: 40.3 Hours

Environment

Temp: -77 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.89 AU - 2.49 AU

Year: 1248 Days

Day: 28.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,894,153 km

• M1: 37,549 km (0.049 R)

Asteroid Belt

Center: 3.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 9.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.45 AU - 5.29 AU

Year: 4138 Days

Day: 8.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,894,153 km

• M1: 123,269 km (0.113 R)
• M2: 709,692 km (0.104 R)
• M3: 1,030,729 km (0.11 R)
• M4: 1,430,006 km (0.117 R)
• M5: 2,484,372 km (0.04 R)
• M6: 2,798,527 km (0.057 R)
• M7: 3,120,761 km (0.096 R)
• M8: 4,036,899 km (0.038 R)
• M9: 4,766,039 km (0.105 R)
• M10: 5,416,041 km (0.063 R)
• M11: 6,213,099 km (0.092 R)
• M12: 6,733,999 km (0.041 R)
• M13: 8,362,970 km (0.076 R)
• M14: 9,075,355 km (0.06 R)
• M15: 9,665,818 km (0.077 R)
• M16: 10,706,720 km (0.056 R)
• M17: 15,240,133 km (0.108 R)
• M18: 16,074,740 km (0.066 R)
• M19: 18,761,368 km (0.1 R)
• M20: 23,881,505 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 13.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.34 AU - 7.9 AU

Year: 6558 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,894,153 km

• M1: 169,494 km (0.066 R)
• M2: 604,375 km (0.09 R)
• M3: 1,169,556 km (0.101 R)
• M4: 1,874,461 km (0.093 R)
• M5: 2,492,450 km (0.099 R)
• M6: 3,012,004 km (0.066 R)
• M7: 3,697,760 km (0.077 R)
• M8: 4,650,848 km (0.079 R)
• M9: 5,507,595 km (0.111 R)
• M10: 6,932,066 km (0.097 R)
• M11: 9,786,842 km (0.094 R)
• M12: 12,897,730 km (0.1 R)
• M13: 25,822,836 km (0.108 R)
• M14: 26,632,909 km (0.082 R)
• M15: 27,739,335 km (0.106 R)
• M16: 28,972,171 km (0.116 R)
• M17: 31,141,490 km (0.102 R)
• M18: 34,163,666 km (0.057 R)
• M19: 37,034,898 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443

Radius: 7.8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 10.01 AU - 14.19 AU

Year: 16205 Days

Day: 18.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,894,153 km

• M1: 118,332 km (0.037 R)
• M2: 730,187 km (0.106 R)
• M3: 1,088,923 km (0.093 R)
• M4: 1,638,396 km (0.095 R)
• M5: 2,400,747 km (0.071 R)
• M6: 4,541,791 km (0.101 R)
• M7: 7,362,609 km (0.101 R)
• M8: 8,405,456 km (0.118 R)
• M9: 8,937,725 km (0.091 R)
• M10: 11,351,636 km (0.082 R)
• M11: 14,923,136 km (0.065 R)
• M12: 16,066,811 km (0.054 R)
• M13: 17,577,151 km (0.03 R)
• M14: 17,969,098 km (0.088 R)
• M15: 20,965,094 km (0.092 R)
• M16: 23,325,450 km (0.107 R)
• M17: 24,862,867 km (0.103 R)
• M18: 31,805,854 km (0.089 R)
• M19: 32,388,089 km (0.102 R)
• M20: 41,301,279 km (0.12 R)
• M21: 49,510,313 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.6

Radius: 5.1

Gravity: 22.78 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 14.38 AU - 18.48 AU

Year: 25640 Days

Day: 17.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,894,153 km

• M1: 63,429 km (0.081 R)
• M2: 381,774 km (0.109 R)
• M3: 757,713 km (0.087 R)
• M4: 1,305,391 km (0.11 R)
• M5: 1,531,733 km (0.108 R)
• M6: 1,727,706 km (0.102 R)
• M7: 2,170,216 km (0.089 R)
• M8: 2,441,736 km (0.095 R)
• M9: 2,917,906 km (0.119 R)
• M10: 3,364,905 km (0.119 R)
• M11: 4,394,138 km (0.043 R)
• M12: 5,057,455 km (0.037 R)
• M13: 5,292,623 km (0.038 R)
• M14: 8,771,073 km (0.107 R)
• M15: 9,053,813 km (0.083 R)
• M16: 9,697,084 km (0.071 R)
• M17: 9,877,798 km (0.061 R)
• M18: 11,338,172 km (0.103 R)
• M19: 18,902,589 km (0.101 R)
• M20: 23,327,095 km (0.054 R)
• M21: 29,641,023 km (0.087 R)
• M22: 32,779,586 km (0.088 R)
• M23: 35,273,832 km (0.115 R)
• M24: 42,057,048 km (0.073 R)
• M25: 42,537,855 km (0.086 R)
• M26: 45,837,536 km (0.084 R)
• M27: 46,346,767 km (0.106 R)
• M28: 51,648,216 km (0.112 R)
• M29: 55,976,232 km (0.061 R)
• M30: 57,931,027 km (0.092 R)
• M31: 59,527,237 km (0.11 R)
• M32: 67,950,195 km (0.111 R)
• M33: 71,076,043 km (0.113 R)
• M34: 72,444,564 km (0.105 R)
• M35: 76,417,285 km (0.103 R)
• M36: 80,532,723 km (0.113 R)
• M37: 82,519,532 km (0.112 R)

Asteroid Belt

Center: 16.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.7

Radius: 5.6

Gravity: 20.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 17.1 AU - 17.34 AU

Year: 27512 Days

Day: 19.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,894,153 km

• M1: 69,713 km (0.112 R)
• M2: 425,008 km (0.106 R)
• M3: 709,393 km (0.055 R)
• M4: 1,007,990 km (0.055 R)
• M5: 1,323,193 km (0.096 R)
• M6: 1,702,274 km (0.039 R)
• M7: 1,897,200 km (0.102 R)
• M8: 5,946,366 km (0.066 R)
• M9: 8,891,349 km (0.032 R)
• M10: 9,421,674 km (0.12 R)
• M11: 10,098,305 km (0.1 R)
• M12: 11,342,361 km (0.12 R)
• M13: 12,611,998 km (0.048 R)
• M14: 12,832,505 km (0.1 R)
• M15: 14,528,646 km (0.1 R)
• M16: 16,543,580 km (0.089 R)
• M17: 18,358,950 km (0.116 R)
• M18: 19,120,852 km (0.117 R)
• M19: 19,411,969 km (0.095 R)
• M20: 22,487,702 km (0.108 R)
• M21: 22,920,937 km (0.104 R)
• M22: 24,367,249 km (0.063 R)
• M23: 25,873,401 km (0.065 R)
• M24: 26,348,972 km (0.048 R)
• M25: 27,935,158 km (0.053 R)
• M26: 29,325,970 km (0.039 R)
• M27: 31,028,543 km (0.077 R)
• M28: 34,917,340 km (0.066 R)
• M29: 35,937,896 km (0.094 R)
• M30: 38,345,076 km (0.075 R)
• M31: 39,902,988 km (0.111 R)
• M32: 47,437,335 km (0.046 R)
• M33: 49,595,434 km (0.074 R)
• M34: 61,163,987 km (0.118 R)
• M35: 64,803,105 km (0.091 R)
• M36: 66,786,773 km (0.104 R)
• M37: 70,875,133 km (0.071 R)
• M38: 81,818,965 km (0.059 R)
• M39: 82,842,962 km (0.045 R)
• M40: 86,494,198 km (0.105 R)
• M41: 87,024,373 km (0.034 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 14,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit