🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.46 AU - 0.62 AU

Year: 252 Days

Day: 37.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,106,869 km

• M1: 113,694 km (0.107 R)
• M2: 250,576 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 14.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.71 AU - 0.77 AU

Year: 405 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,106,869 km

• M1: 182,809 km (0.051 R)
• M2: 859,589 km (0.031 R)
• M3: 1,435,541 km (0.031 R)
• M4: 1,967,362 km (0.058 R)
• M5: 2,683,935 km (0.025 R)
• M6: 3,412,028 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.5

Radius: 10.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.89 AU - 1.17 AU

Year: 665 Days

Day: 14.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,106,869 km

• M1: 135,536 km (0.116 R)
• M2: 498,610 km (0.086 R)
• M3: 1,108,969 km (0.111 R)
• M4: 1,541,307 km (0.038 R)
• M5: 1,919,341 km (0.093 R)
• M6: 2,822,014 km (0.095 R)
• M7: 3,307,011 km (0.102 R)
• M8: 4,353,597 km (0.095 R)
• M9: 4,921,022 km (0.114 R)
• M10: 5,395,846 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 10.5

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.73 AU - 4.01 AU

Year: 3933 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,106,869 km

• M1: 130,599 km (0.067 R)
• M2: 513,719 km (0.03 R)
• M3: 1,605,484 km (0.105 R)
• M4: 2,421,840 km (0.081 R)
• M5: 2,878,861 km (0.116 R)
• M6: 3,453,766 km (0.065 R)
• M7: 4,605,819 km (0.082 R)
• M8: 5,015,418 km (0.109 R)
• M9: 5,421,576 km (0.047 R)
• M10: 6,549,694 km (0.111 R)
• M11: 8,044,027 km (0.053 R)
• M12: 9,066,828 km (0.071 R)
• M13: 10,004,657 km (0.098 R)
• M14: 11,415,215 km (0.111 R)
• M15: 14,142,833 km (0.091 R)
• M16: 17,831,767 km (0.099 R)
• M17: 18,207,407 km (0.104 R)
• M18: 23,212,503 km (0.062 R)
• M19: 24,651,635 km (0.071 R)
• M20: 25,669,947 km (0.103 R)
• M21: 27,539,921 km (0.057 R)
• M22: 27,874,122 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934

Radius: 4.3

Gravity: 50.51 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.44 AU - 10.1 AU

Year: 15121 Days

Day: 24.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,106,869 km

• M1: 60,737 km (0.068 R)
• M2: 203,752 km (0.112 R)
• M3: 409,449 km (0.113 R)
• M4: 683,064 km (0.111 R)
• M5: 839,842 km (0.076 R)
• M6: 996,771 km (0.103 R)
• M7: 2,137,903 km (0.078 R)
• M8: 2,303,508 km (0.104 R)
• M9: 5,932,902 km (0.113 R)
• M10: 6,260,970 km (0.083 R)
• M11: 6,687,922 km (0.035 R)
• M12: 8,437,619 km (0.105 R)
• M13: 8,958,220 km (0.09 R)
• M14: 9,891,860 km (0.081 R)
• M15: 10,529,596 km (0.07 R)
• M16: 12,341,376 km (0.035 R)
• M17: 13,079,791 km (0.11 R)
• M18: 13,286,236 km (0.087 R)
• M19: 15,935,464 km (0.063 R)
• M20: 16,568,563 km (0.113 R)
• M21: 16,972,626 km (0.115 R)
• M22: 17,969,247 km (0.088 R)
• M23: 19,536,435 km (0.031 R)
• M24: 21,764,545 km (0.074 R)
• M25: 24,991,072 km (0.111 R)
• M26: 30,406,515 km (0.109 R)
• M27: 37,792,312 km (0.045 R)
• M28: 39,057,910 km (0.079 R)
• M29: 44,558,623 km (0.1 R)
• M30: 45,182,446 km (0.111 R)
• M31: 50,553,608 km (0.097 R)
• M32: 56,153,356 km (0.101 R)
• M33: 56,516,430 km (0.106 R)
• M34: 57,984,583 km (0.081 R)
• M35: 61,380,306 km (0.103 R)
• M36: 63,519,405 km (0.1 R)
• M37: 63,913,596 km (0.05 R)
• M38: 67,945,707 km (0.055 R)
• M39: 69,187,669 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.8

Radius: 3.2

Gravity: 86.41 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.21 AU - 10.29 AU

Year: 16457 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,106,869 km

• M1: 39,793 km (0.093 R)
• M2: 178,470 km (0.089 R)
• M3: 290,220 km (0.06 R)
• M4: 507,735 km (0.109 R)
• M5: 639,232 km (0.063 R)
• M6: 846,275 km (0.107 R)
• M7: 1,568,833 km (0.096 R)
• M8: 2,312,783 km (0.03 R)
• M9: 2,923,442 km (0.107 R)
• M10: 4,870,907 km (0.113 R)
• M11: 5,505,052 km (0.043 R)
• M12: 5,741,566 km (0.039 R)
• M13: 6,405,182 km (0.096 R)
• M14: 7,399,111 km (0.1 R)
• M15: 9,461,467 km (0.104 R)
• M16: 11,238,540 km (0.118 R)
• M17: 14,899,948 km (0.095 R)
• M18: 15,669,779 km (0.104 R)
• M19: 16,064,418 km (0.087 R)
• M20: 16,628,103 km (0.11 R)
• M21: 20,663,804 km (0.109 R)
• M22: 21,620,034 km (0.055 R)
• M23: 22,207,654 km (0.114 R)
• M24: 22,505,354 km (0.113 R)
• M25: 25,849,166 km (0.042 R)
• M26: 26,734,037 km (0.116 R)
• M27: 28,447,082 km (0.068 R)
• M28: 28,798,338 km (0.114 R)
• M29: 41,322,522 km (0.101 R)
• M30: 42,378,384 km (0.114 R)
• M31: 42,836,453 km (0.031 R)
• M32: 43,452,198 km (0.107 R)
• M33: 48,926,432 km (0.052 R)
• M34: 52,351,775 km (0.098 R)
• M35: 54,123,014 km (0.099 R)
• M36: 58,535,852 km (0.094 R)
• M37: 62,194,866 km (0.047 R)

Asteroid Belt

Center: 9.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295

Radius: 4.5

Gravity: 14.57 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.19 AU - 12.17 AU

Year: 20652 Days

Day: 19.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,106,869 km

• M1: 55,950 km (0.045 R)
• M2: 197,020 km (0.1 R)
• M3: 375,640 km (0.091 R)
• M4: 671,994 km (0.094 R)
• M5: 1,184,815 km (0.113 R)
• M6: 2,221,528 km (0.068 R)
• M7: 2,485,120 km (0.038 R)
• M8: 3,588,554 km (0.073 R)
• M9: 5,690,105 km (0.086 R)
• M10: 7,835,338 km (0.1 R)
• M11: 8,254,511 km (0.087 R)
• M12: 8,397,527 km (0.082 R)
• M13: 8,639,427 km (0.086 R)
• M14: 9,973,540 km (0.11 R)
• M15: 10,521,368 km (0.048 R)
• M16: 11,321,716 km (0.095 R)
• M17: 11,676,862 km (0.072 R)
• M18: 15,865,901 km (0.049 R)
• M19: 16,916,228 km (0.091 R)
• M20: 17,932,297 km (0.093 R)
• M21: 20,692,976 km (0.055 R)
• M22: 21,312,909 km (0.067 R)
• M23: 21,854,155 km (0.079 R)
• M24: 25,698,371 km (0.083 R)
• M25: 28,642,158 km (0.036 R)
• M26: 34,075,702 km (0.114 R)
• M27: 35,189,010 km (0.105 R)
• M28: 36,454,159 km (0.105 R)
• M29: 38,143,867 km (0.11 R)
• M30: 42,523,943 km (0.099 R)
• M31: 58,350,051 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.9

Radius: 5.6

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.93 AU - 11.33 AU

Year: 22036 Days

Day: 22.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,106,869 km

• M1: 71,807 km (0.096 R)
• M2: 319,691 km (0.041 R)
• M3: 544,835 km (0.056 R)
• M4: 940,971 km (0.073 R)
• M5: 1,405,921 km (0.109 R)
• M6: 2,069,836 km (0.096 R)
• M7: 2,290,343 km (0.084 R)
• M8: 3,254,651 km (0.062 R)
• M9: 3,753,859 km (0.116 R)
• M10: 4,207,590 km (0.068 R)
• M11: 4,731,033 km (0.096 R)
• M12: 5,370,713 km (0.052 R)
• M13: 7,174,714 km (0.115 R)
• M14: 8,114,637 km (0.05 R)
• M15: 8,614,294 km (0.095 R)
• M16: 9,674,494 km (0.095 R)
• M17: 11,424,041 km (0.101 R)
• M18: 14,355,711 km (0.105 R)
• M19: 17,179,819 km (0.072 R)
• M20: 19,372,475 km (0.093 R)
• M21: 20,535,599 km (0.059 R)
• M22: 23,197,843 km (0.116 R)
• M23: 27,720,336 km (0.113 R)
• M24: 32,672,474 km (0.07 R)
• M25: 36,282,420 km (0.111 R)
• M26: 41,887,404 km (0.117 R)
• M27: 43,826,342 km (0.099 R)
• M28: 45,980,551 km (0.115 R)
• M29: 52,181,233 km (0.1 R)
• M30: 52,522,167 km (0.119 R)
• M31: 53,208,522 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.5

Radius: 3.9

Gravity: 39.68 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.76 AU - 12.4 AU

Year: 23450 Days

Day: 18.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,106,869 km

• M1: 48,470 km (0.096 R)
• M2: 446,699 km (0.053 R)
• M3: 959,521 km (0.095 R)
• M4: 1,489,696 km (0.086 R)
• M5: 2,416,903 km (0.097 R)
• M6: 2,704,580 km (0.119 R)
• M7: 3,435,216 km (0.079 R)
• M8: 4,391,894 km (0.094 R)
• M9: 5,635,053 km (0.088 R)
• M10: 7,239,789 km (0.084 R)
• M11: 9,012,973 km (0.112 R)
• M12: 11,710,970 km (0.09 R)
• M13: 13,026,235 km (0.086 R)
• M14: 13,242,553 km (0.03 R)
• M15: 14,283,605 km (0.056 R)
• M16: 14,590,879 km (0.092 R)
• M17: 14,902,491 km (0.085 R)
• M18: 16,611,647 km (0.086 R)
• M19: 18,447,213 km (0.085 R)
• M20: 23,993,853 km (0.1 R)
• M21: 25,988,292 km (0.105 R)
• M22: 27,377,607 km (0.055 R)
• M23: 28,572,595 km (0.038 R)
• M24: 30,303,442 km (0.079 R)
• M25: 30,810,429 km (0.101 R)
• M26: 33,565,573 km (0.109 R)
• M27: 34,108,464 km (0.074 R)
• M28: 34,795,118 km (0.032 R)
• M29: 38,072,808 km (0.038 R)
• M30: 39,559,811 km (0.115 R)
• M31: 42,333,355 km (0.097 R)
• M32: 44,415,309 km (0.108 R)
• M33: 50,890,054 km (0.111 R)
• M34: 51,247,294 km (0.077 R)
• M35: 52,510,648 km (0.11 R)
• M36: 52,875,367 km (0.097 R)
• M37: 59,337,247 km (0.117 R)
• M38: 61,333,332 km (0.078 R)
• M39: 80,621,434 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 20,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit