🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.48 AU - 0.54 AU

Year: 239 Days

Day: 25.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.5 AU - 0.68 AU

Year: 297 Days

Day: 18.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 8

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.86 AU - 2.72 AU

Year: 2273 Days

Day: 8.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,350,723 km

• M1: 99,632 km (0.118 R)
• M2: 501,003 km (0.069 R)
• M3: 883,675 km (0.115 R)
• M4: 1,181,075 km (0.084 R)
• M5: 1,573,620 km (0.071 R)
• M6: 1,875,060 km (0.095 R)
• M7: 2,412,714 km (0.079 R)
• M8: 3,004,673 km (0.037 R)
• M9: 3,554,894 km (0.063 R)
• M10: 3,951,927 km (0.091 R)
• M11: 4,572,908 km (0.084 R)
• M12: 5,500,265 km (0.069 R)
• M13: 6,200,832 km (0.065 R)
• M14: 6,497,185 km (0.08 R)
• M15: 7,806,914 km (0.082 R)
• M16: 10,482,323 km (0.077 R)
• M17: 13,467,100 km (0.116 R)
• M18: 14,133,857 km (0.109 R)
• M19: 14,389,520 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.9

Radius: 13.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.34 AU - 3.1 AU

Year: 2943 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 101.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,350,723 km

• M1: 172,935 km (0.055 R)
• M2: 735,124 km (0.106 R)
• M3: 2,225,418 km (0.081 R)
• M4: 3,084,259 km (0.052 R)
• M5: 3,881,317 km (0.071 R)
• M6: 4,554,806 km (0.063 R)
• M7: 5,777,769 km (0.051 R)
• M8: 6,278,623 km (0.106 R)
• M9: 6,748,061 km (0.118 R)
• M10: 7,241,135 km (0.089 R)
• M11: 15,352,332 km (0.09 R)
• M12: 19,580,417 km (0.049 R)
• M13: 20,395,874 km (0.049 R)
• M14: 21,103,472 km (0.099 R)
• M15: 22,978,831 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 11.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.45 AU - 5.93 AU

Year: 7756 Days

Day: 14.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,350,723 km

• M1: 173,982 km (0.066 R)
• M2: 1,048,980 km (0.081 R)
• M3: 1,678,339 km (0.116 R)
• M4: 3,995,610 km (0.113 R)
• M5: 4,412,090 km (0.079 R)
• M6: 5,932,453 km (0.103 R)
• M7: 7,554,842 km (0.06 R)
• M8: 14,177,839 km (0.119 R)
• M9: 20,634,932 km (0.106 R)
• M10: 24,458,055 km (0.046 R)
• M11: 28,103,456 km (0.116 R)
• M12: 32,290,700 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.3

Radius: 5.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.39 AU - 6.41 AU

Year: 9401 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,350,723 km

• M1: 68,366 km (0.065 R)
• M2: 284,086 km (0.046 R)
• M3: 598,691 km (0.061 R)
• M4: 786,436 km (0.063 R)
• M5: 2,412,714 km (0.086 R)
• M6: 2,979,990 km (0.103 R)
• M7: 3,631,937 km (0.089 R)
• M8: 5,483,061 km (0.099 R)
• M9: 6,882,400 km (0.113 R)
• M10: 7,117,119 km (0.084 R)
• M11: 8,305,225 km (0.082 R)
• M12: 9,015,665 km (0.089 R)
• M13: 9,729,247 km (0.068 R)
• M14: 10,441,333 km (0.088 R)
• M15: 12,351,249 km (0.08 R)
• M16: 13,275,315 km (0.089 R)
• M17: 13,823,741 km (0.076 R)
• M18: 16,066,063 km (0.109 R)
• M19: 16,427,193 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.7

Radius: 5.2

Gravity: 23.66 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.58 AU - 7.44 AU

Year: 10896 Days

Day: 17.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,350,723 km

• M1: 65,075 km (0.052 R)
• M2: 231,877 km (0.118 R)
• M3: 530,175 km (0.104 R)
• M4: 758,162 km (0.099 R)
• M5: 965,953 km (0.081 R)
• M6: 1,673,103 km (0.073 R)
• M7: 2,415,108 km (0.093 R)
• M8: 2,740,633 km (0.055 R)
• M9: 3,259,438 km (0.088 R)
• M10: 4,171,237 km (0.096 R)
• M11: 5,822,648 km (0.116 R)
• M12: 6,871,778 km (0.08 R)
• M13: 7,440,998 km (0.101 R)
• M14: 8,443,603 km (0.083 R)
• M15: 8,672,937 km (0.096 R)
• M16: 9,096,299 km (0.094 R)
• M17: 9,288,831 km (0.116 R)
• M18: 10,554,130 km (0.104 R)
• M19: 11,873,134 km (0.066 R)
• M20: 14,244,560 km (0.075 R)
• M21: 15,302,665 km (0.113 R)
• M22: 15,575,083 km (0.111 R)
• M23: 15,781,678 km (0.101 R)
• M24: 16,483,142 km (0.106 R)
• M25: 18,099,398 km (0.115 R)
• M26: 18,790,091 km (0.072 R)
• M27: 23,396,808 km (0.097 R)
• M28: 26,104,380 km (0.064 R)
• M29: 32,691,473 km (0.088 R)
• M30: 35,111,518 km (0.088 R)
• M31: 46,129,102 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.7

Radius: 4.8

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.43 AU - 9.45 AU

Year: 14677 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,350,723 km

• M1: 59,690 km (0.074 R)
• M2: 269,725 km (0.072 R)
• M3: 450,439 km (0.089 R)
• M4: 2,109,031 km (0.098 R)
• M5: 2,672,267 km (0.094 R)
• M6: 3,453,766 km (0.105 R)
• M7: 3,897,025 km (0.077 R)
• M8: 5,353,360 km (0.117 R)
• M9: 6,018,771 km (0.1 R)
• M10: 7,016,439 km (0.051 R)
• M11: 7,179,052 km (0.061 R)
• M12: 8,900,625 km (0.1 R)
• M13: 13,010,676 km (0.102 R)
• M14: 32,868,447 km (0.069 R)
• M15: 39,132,858 km (0.079 R)
• M16: 40,552,692 km (0.095 R)
• M17: 48,316,971 km (0.072 R)
• M18: 48,611,230 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.8

Radius: 6

Gravity: 23.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.19 AU - 11.11 AU

Year: 21213 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,350,723 km

• M1: 76,295 km (0.036 R)
• M2: 563,834 km (0.116 R)
• M3: 1,505,553 km (0.103 R)
• M4: 1,734,737 km (0.088 R)
• M5: 3,607,403 km (0.061 R)
• M6: 4,053,953 km (0.082 R)
• M7: 5,782,406 km (0.106 R)
• M8: 6,082,799 km (0.097 R)
• M9: 7,290,503 km (0.08 R)
• M10: 9,865,082 km (0.075 R)
• M11: 11,522,028 km (0.098 R)
• M12: 12,700,560 km (0.094 R)
• M13: 12,989,134 km (0.044 R)
• M14: 13,654,396 km (0.119 R)
• M15: 14,420,038 km (0.119 R)
• M16: 16,373,637 km (0.107 R)
• M17: 16,715,617 km (0.099 R)
• M18: 17,413,791 km (0.076 R)
• M19: 17,949,949 km (0.119 R)
• M20: 26,188,753 km (0.114 R)
• M21: 33,390,245 km (0.094 R)
• M22: 34,635,946 km (0.053 R)
• M23: 35,057,962 km (0.096 R)
• M24: 37,959,712 km (0.087 R)
• M25: 47,100,441 km (0.092 R)
• M26: 48,841,910 km (0.104 R)
• M27: 50,086,265 km (0.03 R)
• M28: 51,717,031 km (0.101 R)
• M29: 57,604,455 km (0.1 R)
• M30: 57,801,476 km (0.117 R)
• M31: 75,769,227 km (0.108 R)
• M32: 76,718,426 km (0.119 R)
• M33: 77,195,942 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.9

Radius: 4.8

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.47 AU - 12.05 AU

Year: 23154 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,350,723 km

• M1: 60,138 km (0.052 R)
• M2: 321,187 km (0.05 R)
• M3: 521,648 km (0.101 R)
• M4: 835,055 km (0.073 R)
• M5: 1,107,922 km (0.118 R)
• M6: 1,530,536 km (0.106 R)
• M7: 2,252,346 km (0.042 R)
• M8: 3,363,409 km (0.063 R)
• M9: 4,832,011 km (0.08 R)
• M10: 5,184,613 km (0.062 R)
• M11: 6,428,370 km (0.091 R)
• M12: 8,148,746 km (0.103 R)
• M13: 10,041,009 km (0.071 R)
• M14: 10,614,567 km (0.114 R)
• M15: 20,903,759 km (0.032 R)
• M16: 22,217,827 km (0.109 R)
• M17: 22,506,401 km (0.096 R)
• M18: 26,922,381 km (0.102 R)
• M19: 28,250,511 km (0.107 R)
• M20: 33,242,741 km (0.111 R)
• M21: 36,210,763 km (0.07 R)
• M22: 39,773,137 km (0.104 R)
• M23: 40,484,026 km (0.05 R)
• M24: 43,262,507 km (0.099 R)
• M25: 46,792,868 km (0.025 R)
• M26: 48,708,768 km (0.103 R)
• M27: 49,850,199 km (0.096 R)
• M28: 50,179,614 km (0.045 R)
• M29: 54,072,300 km (0.071 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 17,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit