🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.57 AU - 0.89 AU

Year: 231 Days

Day: 43.4 Hours

Environment

Temp: 103 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 98,007,201 km

• M1: 43,683 km (0.114 R)
• M2: 128,654 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.8 AU - 1.08 AU

Year: 338 Days

Day: 25.4 Hours

Environment

Temp: 45 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 98,007,201 km

• M1: 26,030 km (0.064 R)

Asteroid Belt

Center: 3.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 13.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.26 AU - 6 AU

Year: 4954 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 98,007,201 km

• M1: 172,187 km (0.11 R)
• M2: 898,036 km (0.084 R)
• M3: 1,725,462 km (0.106 R)
• M4: 4,109,603 km (0.094 R)
• M5: 7,882,013 km (0.074 R)
• M6: 9,440,374 km (0.09 R)
• M7: 10,970,760 km (0.053 R)
• M8: 12,222,894 km (0.067 R)
• M9: 19,156,905 km (0.091 R)
• M10: 20,969,433 km (0.047 R)
• M11: 21,457,421 km (0.034 R)
• M12: 24,392,980 km (0.067 R)
• M13: 26,519,813 km (0.093 R)
• M14: 27,420,841 km (0.076 R)
• M15: 27,920,797 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 11.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.72 AU - 8.22 AU

Year: 7572 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 98,007,201 km

• M1: 144,212 km (0.092 R)
• M2: 526,136 km (0.088 R)
• M3: 1,064,838 km (0.074 R)
• M4: 2,124,888 km (0.078 R)
• M5: 2,713,855 km (0.116 R)
• M6: 3,261,533 km (0.073 R)
• M7: 4,121,870 km (0.114 R)
• M8: 4,793,565 km (0.08 R)
• M9: 5,300,253 km (0.055 R)
• M10: 6,725,322 km (0.064 R)
• M11: 7,145,243 km (0.071 R)
• M12: 7,545,567 km (0.047 R)
• M13: 9,299,303 km (0.117 R)
• M14: 10,972,405 km (0.114 R)
• M15: 11,855,332 km (0.116 R)
• M16: 13,376,443 km (0.08 R)
• M17: 13,986,204 km (0.101 R)
• M18: 14,672,559 km (0.072 R)
• M19: 15,866,051 km (0.093 R)
• M20: 18,377,949 km (0.114 R)
• M21: 19,481,383 km (0.07 R)
• M22: 19,906,390 km (0.083 R)
• M23: 23,692,413 km (0.068 R)
• M24: 24,915,825 km (0.095 R)
• M25: 25,839,442 km (0.064 R)
• M26: 28,203,088 km (0.112 R)
• M27: 32,259,734 km (0.106 R)
• M28: 33,055,146 km (0.091 R)
• M29: 33,761,696 km (0.118 R)
• M30: 34,581,642 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.9

Radius: 14.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.68 AU - 10.3 AU

Year: 9174 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,007,201 km

• M1: 176,675 km (0.097 R)
• M2: 621,280 km (0.091 R)
• M3: 1,338,153 km (0.066 R)
• M4: 1,789,041 km (0.114 R)
• M5: 2,578,020 km (0.082 R)
• M6: 3,427,437 km (0.117 R)
• M7: 4,595,347 km (0.115 R)
• M8: 5,119,239 km (0.092 R)
• M9: 5,913,454 km (0.113 R)
• M10: 6,898,855 km (0.095 R)
• M11: 8,450,784 km (0.115 R)
• M12: 9,331,915 km (0.097 R)
• M13: 9,842,044 km (0.083 R)
• M14: 10,567,893 km (0.085 R)
• M15: 11,174,063 km (0.098 R)
• M16: 12,072,548 km (0.049 R)
• M17: 14,745,862 km (0.119 R)
• M18: 15,892,231 km (0.081 R)
• M19: 17,373,100 km (0.112 R)
• M20: 19,992,110 km (0.077 R)
• M21: 20,842,275 km (0.062 R)
• M22: 22,532,282 km (0.063 R)
• M23: 25,370,153 km (0.098 R)
• M24: 27,201,830 km (0.111 R)
• M25: 28,729,373 km (0.093 R)
• M26: 35,639,150 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 9.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 11.12 AU - 12.1 AU

Year: 14671 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,007,201 km

• M1: 115,041 km (0.056 R)
• M2: 433,086 km (0.049 R)
• M3: 1,217,727 km (0.089 R)
• M4: 1,526,197 km (0.058 R)
• M5: 2,113,968 km (0.068 R)
• M6: 4,152,837 km (0.103 R)
• M7: 4,484,645 km (0.111 R)
• M8: 5,958,633 km (0.058 R)
• M9: 6,787,255 km (0.091 R)
• M10: 9,032,420 km (0.116 R)
• M11: 9,449,798 km (0.098 R)
• M12: 11,038,378 km (0.085 R)
• M13: 11,951,224 km (0.105 R)
• M14: 14,546,897 km (0.118 R)
• M15: 18,811,035 km (0.09 R)
• M16: 20,425,944 km (0.05 R)
• M17: 23,841,562 km (0.053 R)
• M18: 25,546,380 km (0.05 R)
• M19: 26,758,721 km (0.116 R)
• M20: 33,842,330 km (0.076 R)
• M21: 35,532,187 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.4

Radius: 7.1

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 11.46 AU - 15.32 AU

Year: 18171 Days

Day: 18.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 98,007,201 km

• M1: 88,263 km (0.119 R)
• M2: 318,793 km (0.059 R)
• M3: 637,586 km (0.119 R)
• M4: 1,177,634 km (0.116 R)
• M5: 1,579,006 km (0.107 R)
• M6: 1,857,706 km (0.1 R)
• M7: 2,750,357 km (0.025 R)
• M8: 4,249,926 km (0.084 R)
• M9: 4,758,259 km (0.102 R)
• M10: 5,306,386 km (0.026 R)
• M11: 8,178,366 km (0.115 R)
• M12: 9,292,122 km (0.09 R)
• M13: 12,479,754 km (0.113 R)
• M14: 13,662,325 km (0.084 R)
• M15: 14,766,357 km (0.088 R)
• M16: 15,147,383 km (0.111 R)
• M17: 19,597,471 km (0.113 R)
• M18: 20,430,880 km (0.071 R)
• M19: 22,667,518 km (0.104 R)
• M20: 23,276,830 km (0.118 R)
• M21: 24,211,219 km (0.085 R)
• M22: 24,847,907 km (0.101 R)
• M23: 26,265,497 km (0.056 R)
• M24: 27,277,975 km (0.104 R)
• M25: 28,199,647 km (0.114 R)
• M26: 29,620,678 km (0.056 R)
• M27: 31,967,419 km (0.12 R)
• M28: 34,169,650 km (0.08 R)
• M29: 36,609,591 km (0.056 R)
• M30: 41,229,772 km (0.034 R)
• M31: 41,682,006 km (0.049 R)
• M32: 50,395,633 km (0.11 R)
• M33: 53,908,341 km (0.078 R)
• M34: 57,206,375 km (0.063 R)
• M35: 57,957,057 km (0.073 R)
• M36: 61,612,930 km (0.095 R)
• M37: 69,592,780 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.6

Radius: 3.5

Gravity: 32.87 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 13.09 AU - 14.29 AU

Year: 18785 Days

Day: 15.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 98,007,201 km

• M1: 45,777 km (0.049 R)
• M2: 159,920 km (0.108 R)
• M3: 354,397 km (0.11 R)
• M4: 748,588 km (0.112 R)
• M5: 1,759,570 km (0.039 R)
• M6: 2,776,387 km (0.09 R)
• M7: 3,639,118 km (0.1 R)
• M8: 3,779,590 km (0.114 R)
• M9: 4,284,333 km (0.094 R)
• M10: 6,106,286 km (0.068 R)
• M11: 6,631,374 km (0.092 R)
• M12: 7,542,425 km (0.068 R)
• M13: 8,484,593 km (0.087 R)
• M14: 10,150,964 km (0.045 R)
• M15: 11,355,825 km (0.102 R)
• M16: 14,182,925 km (0.08 R)
• M17: 14,531,189 km (0.101 R)
• M18: 15,610,089 km (0.107 R)
• M19: 18,006,946 km (0.113 R)
• M20: 19,081,208 km (0.106 R)
• M21: 19,591,188 km (0.116 R)
• M22: 20,372,986 km (0.11 R)
• M23: 22,937,991 km (0.088 R)
• M24: 26,436,637 km (0.032 R)
• M25: 28,148,036 km (0.118 R)
• M26: 32,385,845 km (0.096 R)
• M27: 33,477,311 km (0.09 R)
• M28: 35,096,708 km (0.082 R)
• M29: 36,118,910 km (0.112 R)
• M30: 37,689,089 km (0.116 R)
• M31: 39,167,864 km (0.079 R)
• M32: 45,469,974 km (0.117 R)
• M33: 51,103,081 km (0.086 R)
• M34: 53,749,318 km (0.053 R)
• M35: 56,311,780 km (0.104 R)
• M36: 57,534,892 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.7

Radius: 7

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 16.1 AU - 17.54 AU

Year: 25583 Days

Day: 20.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 98,007,201 km

• M1: 173,683 km (0.113 R)
• M2: 1,909,318 km (0.047 R)
• M3: 2,524,913 km (0.104 R)
• M4: 3,969,729 km (0.056 R)
• M5: 5,460,173 km (0.097 R)
• M6: 5,985,411 km (0.112 R)
• M7: 6,737,589 km (0.039 R)
• M8: 7,981,495 km (0.096 R)
• M9: 10,714,499 km (0.065 R)
• M10: 11,396,964 km (0.076 R)
• M11: 12,924,059 km (0.1 R)
• M12: 14,256,378 km (0.105 R)
• M13: 15,677,857 km (0.115 R)
• M14: 17,936,336 km (0.114 R)
• M15: 21,663,716 km (0.041 R)
• M16: 22,095,157 km (0.087 R)
• M17: 38,651,153 km (0.067 R)
• M18: 39,445,817 km (0.112 R)
• M19: 55,270,878 km (0.101 R)
• M20: 56,076,463 km (0.113 R)
• M21: 58,957,718 km (0.071 R)
• M22: 60,010,288 km (0.095 R)
• M23: 81,417,893 km (0.101 R)
• M24: 87,807,966 km (0.032 R)
• M25: 92,248,779 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 15,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit