🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.46 AU - 0.7 AU

Year: 290 Days

Day: 16.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.1

Radius: 12.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.87 AU - 2.29 AU

Year: 1968 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,164,030 km

• M1: 161,267 km (0.119 R)
• M2: 890,855 km (0.116 R)
• M3: 1,427,014 km (0.093 R)
• M4: 2,048,444 km (0.106 R)
• M5: 2,541,369 km (0.028 R)
• M6: 2,977,297 km (0.096 R)
• M7: 3,734,860 km (0.099 R)
• M8: 4,418,672 km (0.086 R)
• M9: 5,054,613 km (0.092 R)
• M10: 5,473,936 km (0.066 R)
• M11: 6,159,244 km (0.08 R)
• M12: 7,730,171 km (0.117 R)
• M13: 8,409,943 km (0.088 R)
• M14: 8,843,029 km (0.093 R)
• M15: 9,290,925 km (0.09 R)
• M16: 10,477,685 km (0.107 R)
• M17: 11,497,943 km (0.049 R)
• M18: 12,463,747 km (0.03 R)
• M19: 13,651,105 km (0.101 R)
• M20: 14,077,608 km (0.115 R)
• M21: 14,557,070 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.6

Radius: 13.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.58 AU - 4.88 AU

Year: 5707 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,164,030 km

• M1: 165,455 km (0.101 R)
• M2: 611,706 km (0.096 R)
• M3: 1,761,515 km (0.115 R)
• M4: 2,180,987 km (0.103 R)
• M5: 2,682,888 km (0.118 R)
• M6: 4,038,544 km (0.108 R)
• M7: 4,737,465 km (0.114 R)
• M8: 6,675,356 km (0.056 R)
• M9: 8,498,805 km (0.052 R)
• M10: 9,826,635 km (0.088 R)
• M11: 10,710,011 km (0.117 R)
• M12: 12,299,039 km (0.071 R)
• M13: 13,679,528 km (0.073 R)
• M14: 15,113,125 km (0.108 R)
• M15: 17,316,851 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.9

Radius: 11.2

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.94 AU - 5.26 AU

Year: 6472 Days

Day: 10.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,164,030 km

• M1: 139,276 km (0.118 R)
• M2: 635,193 km (0.067 R)
• M3: 1,193,193 km (0.081 R)
• M4: 2,714,005 km (0.118 R)
• M5: 3,382,707 km (0.118 R)
• M6: 3,953,872 km (0.085 R)
• M7: 4,616,291 km (0.088 R)
• M8: 6,544,757 km (0.1 R)
• M9: 7,707,881 km (0.084 R)
• M10: 8,276,353 km (0.111 R)
• M11: 11,289,703 km (0.111 R)
• M12: 14,176,044 km (0.105 R)
• M13: 15,661,102 km (0.056 R)
• M14: 16,640,519 km (0.034 R)
• M15: 17,452,985 km (0.107 R)
• M16: 19,899,060 km (0.099 R)
• M17: 21,125,613 km (0.106 R)
• M18: 22,483,513 km (0.109 R)
• M19: 23,308,994 km (0.096 R)
• M20: 24,412,129 km (0.058 R)
• M21: 27,930,371 km (0.097 R)
• M22: 31,363,792 km (0.078 R)
• M23: 32,290,252 km (0.073 R)
• M24: 35,732,199 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 9.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.05 AU - 6.71 AU

Year: 9354 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,164,030 km

• M1: 142,417 km (0.032 R)
• M2: 524,939 km (0.049 R)
• M3: 1,062,743 km (0.069 R)
• M4: 1,491,790 km (0.051 R)
• M5: 2,502,473 km (0.095 R)
• M6: 3,123,753 km (0.11 R)
• M7: 3,654,676 km (0.066 R)
• M8: 5,805,594 km (0.086 R)
• M9: 6,402,041 km (0.097 R)
• M10: 6,893,769 km (0.096 R)
• M11: 7,834,740 km (0.113 R)
• M12: 8,689,243 km (0.098 R)
• M13: 9,161,074 km (0.078 R)
• M14: 10,874,718 km (0.115 R)
• M15: 12,147,347 km (0.106 R)
• M16: 12,683,356 km (0.111 R)
• M17: 13,179,124 km (0.045 R)
• M18: 15,665,440 km (0.039 R)
• M19: 16,044,521 km (0.092 R)
• M20: 16,559,437 km (0.115 R)
• M21: 17,151,845 km (0.077 R)
• M22: 19,157,354 km (0.077 R)
• M23: 19,810,348 km (0.071 R)
• M24: 20,403,205 km (0.031 R)
• M25: 22,015,571 km (0.094 R)
• M26: 22,411,706 km (0.07 R)
• M27: 23,546,256 km (0.095 R)
• M28: 24,211,518 km (0.083 R)
• M29: 29,223,944 km (0.052 R)
• M30: 34,887,570 km (0.091 R)
• M31: 36,964,138 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.7

Radius: 6.6

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.63 AU - 8.57 AU

Year: 13745 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,164,030 km

• M1: 87,814 km (0.057 R)
• M2: 620,682 km (0.073 R)
• M3: 866,770 km (0.05 R)
• M4: 1,317,957 km (0.071 R)
• M5: 1,747,602 km (0.117 R)
• M6: 2,111,275 km (0.101 R)
• M7: 4,012,364 km (0.073 R)
• M8: 4,560,192 km (0.084 R)
• M9: 5,505,950 km (0.104 R)
• M10: 5,939,185 km (0.09 R)
• M11: 7,415,866 km (0.107 R)
• M12: 8,940,418 km (0.117 R)
• M13: 10,970,012 km (0.099 R)
• M14: 11,872,536 km (0.119 R)
• M15: 18,644,532 km (0.105 R)
• M16: 20,550,259 km (0.102 R)
• M17: 24,213,163 km (0.092 R)
• M18: 24,477,652 km (0.101 R)
• M19: 26,476,878 km (0.099 R)
• M20: 28,877,924 km (0.098 R)
• M21: 32,370,885 km (0.118 R)
• M22: 35,450,955 km (0.083 R)
• M23: 39,325,391 km (0.117 R)
• M24: 40,305,406 km (0.111 R)
• M25: 40,801,473 km (0.104 R)
• M26: 42,441,814 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.1

Radius: 7.1

Gravity: 19.03 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.34 AU - 9.5 AU

Year: 18966 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,164,030 km

• M1: 88,562 km (0.05 R)
• M2: 520,601 km (0.11 R)
• M3: 837,598 km (0.055 R)
• M4: 1,099,993 km (0.11 R)
• M5: 2,905,789 km (0.09 R)
• M6: 3,342,764 km (0.083 R)
• M7: 4,145,357 km (0.111 R)
• M8: 5,621,738 km (0.111 R)
• M9: 6,659,499 km (0.109 R)
• M10: 8,287,423 km (0.057 R)
• M11: 8,996,068 km (0.036 R)
• M12: 9,451,893 km (0.048 R)
• M13: 10,658,699 km (0.106 R)
• M14: 14,348,231 km (0.049 R)
• M15: 14,579,509 km (0.069 R)
• M16: 15,937,110 km (0.109 R)
• M17: 16,435,869 km (0.12 R)
• M18: 17,116,988 km (0.094 R)
• M19: 18,626,431 km (0.106 R)
• M20: 19,086,893 km (0.072 R)
• M21: 19,554,686 km (0.081 R)
• M22: 25,330,360 km (0.051 R)
• M23: 28,603,711 km (0.096 R)
• M24: 31,365,587 km (0.048 R)
• M25: 32,811,002 km (0.091 R)
• M26: 34,026,036 km (0.09 R)
• M27: 43,384,430 km (0.106 R)
• M28: 48,215,543 km (0.084 R)
• M29: 48,908,929 km (0.094 R)
• M30: 50,493,021 km (0.12 R)
• M31: 59,722,312 km (0.079 R)
• M32: 60,722,823 km (0.099 R)
• M33: 70,457,904 km (0.087 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: 391 - 20,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit