🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.65 AU - 0.69 AU

Year: 201 Days

Day: 45.7 Hours

Environment

Temp: 190 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.67 AU - 0.87 AU

Year: 248 Days

Day: 34.4 Hours

Environment

Temp: 137 °C

Axial Tilt: 158 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.78 AU - 1.08 AU

Year: 329 Days

Day: 36 Hours

Environment

Temp: 114 °C

Axial Tilt: 5.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.84 AU - 2.22 AU

Year: 1062 Days

Day: 24.9 Hours

Environment

Temp: -61 °C

Axial Tilt: 146.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.06 AU - 2.36 AU

Year: 1206 Days

Day: 14.5 Hours

Environment

Temp: -81 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.1

Radius: 9.4

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.06 AU - 5.82 AU

Year: 4658 Days

Day: 9.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 75.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 21,501,280 km

• M1: 121,623 km (0.109 R)
• M2: 193,280 km (0.118 R)
• M3: 341,532 km (0.093 R)
• M4: 433,235 km (0.086 R)
• M5: 503,397 km (0.061 R)
• M6: 801,845 km (0.077 R)
• M7: 865,424 km (0.093 R)
• M8: 1,039,256 km (0.115 R)
• M9: 1,137,841 km (0.038 R)
• M10: 1,390,512 km (0.077 R)
• M11: 1,845,439 km (0.066 R)
• M12: 2,071,931 km (0.12 R)
• M13: 2,307,398 km (0.062 R)
• M14: 2,883,948 km (0.108 R)
• M15: 3,355,331 km (0.117 R)
• M16: 3,917,071 km (0.103 R)
• M17: 4,095,990 km (0.067 R)
• M18: 4,415,381 km (0.109 R)
• M19: 4,508,132 km (0.103 R)
• M20: 4,672,091 km (0.106 R)
• M21: 5,005,844 km (0.062 R)
• M22: 5,347,525 km (0.027 R)
• M23: 5,496,226 km (0.087 R)
• M24: 5,621,290 km (0.112 R)
• M25: 5,848,678 km (0.099 R)
• M26: 5,925,123 km (0.118 R)
• M27: 6,053,328 km (0.116 R)
• M28: 6,390,971 km (0.116 R)
• M29: 6,548,946 km (0.078 R)
• M30: 7,057,728 km (0.036 R)
• M31: 7,413,173 km (0.049 R)
• M32: 7,551,401 km (0.044 R)
• M33: 7,914,924 km (0.03 R)
• M34: 8,169,989 km (0.079 R)
• M35: 8,398,873 km (0.067 R)
• M36: 9,187,404 km (0.103 R)
• M37: 10,090,975 km (0.084 R)
• M38: 10,305,947 km (0.064 R)
• M39: 10,491,448 km (0.105 R)
• M40: 10,740,379 km (0.041 R)
• M41: 10,865,593 km (0.047 R)
• M42: 10,991,255 km (0.082 R)
• M43: 11,180,795 km (0.046 R)
• M44: 11,403,247 km (0.09 R)
• M45: 11,498,990 km (0.104 R)
• M46: 12,307,566 km (0.036 R)
• M47: 13,571,519 km (0.111 R)
• M48: 13,673,096 km (0.108 R)
• M49: 14,459,981 km (0.076 R)
• M50: 14,702,479 km (0.049 R)
• M51: 14,981,180 km (0.06 R)
• M52: 15,191,365 km (0.116 R)
• M53: 15,261,526 km (0.038 R)
• M54: 15,367,142 km (0.107 R)
• M55: 16,077,582 km (0.098 R)
• M56: 16,149,240 km (0.053 R)
• M57: 16,436,767 km (0.101 R)
• M58: 17,053,409 km (0.089 R)
• M59: 18,835,419 km (0.109 R)
• M60: 19,595,227 km (0.11 R)
• M61: 20,248,969 km (0.084 R)
• M62: 20,481,444 km (0.079 R)
• M63: 20,675,772 km (0.102 R)
• M64: 21,262,495 km (0.05 R)
• M65: 22,212,890 km (0.103 R)
• M66: 22,372,511 km (0.116 R)
• M67: 23,420,145 km (0.109 R)
• M68: 23,786,510 km (0.108 R)
• M69: 23,868,191 km (0.119 R)
• M70: 24,979,703 km (0.076 R)
• M71: 25,229,083 km (0.032 R)
• M72: 26,318,903 km (0.042 R)
• M73: 26,784,751 km (0.041 R)
• M74: 27,039,965 km (0.049 R)
• M75: 28,068,749 km (0.082 R)
• M76: 28,198,301 km (0.119 R)
• M77: 28,892,286 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 13.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.88 AU - 6.36 AU

Year: 5558 Days

Day: 10 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 21,501,280 km

• M1: 176,974 km (0.117 R)
• M2: 265,087 km (0.037 R)
• M3: 369,507 km (0.073 R)
• M4: 849,866 km (0.118 R)
• M5: 1,138,589 km (0.111 R)
• M6: 1,263,204 km (0.105 R)
• M7: 1,631,066 km (0.071 R)
• M8: 1,846,187 km (0.029 R)
• M9: 2,032,736 km (0.069 R)
• M10: 2,128,479 km (0.035 R)
• M11: 2,405,085 km (0.112 R)
• M12: 2,820,668 km (0.053 R)
• M13: 2,906,537 km (0.087 R)
• M14: 3,103,109 km (0.069 R)
• M15: 3,326,907 km (0.085 R)
• M16: 3,837,933 km (0.101 R)
• M17: 4,200,708 km (0.118 R)
• M18: 4,753,173 km (0.111 R)
• M19: 4,985,947 km (0.084 R)
• M20: 5,706,710 km (0.113 R)
• M21: 6,631,973 km (0.084 R)
• M22: 7,185,934 km (0.103 R)
• M23: 7,543,622 km (0.056 R)
• M24: 7,968,181 km (0.074 R)
• M25: 8,060,184 km (0.057 R)
• M26: 8,682,810 km (0.072 R)
• M27: 9,224,354 km (0.099 R)
• M28: 9,547,934 km (0.075 R)
• M29: 10,040,560 km (0.086 R)
• M30: 10,239,974 km (0.117 R)
• M31: 10,982,279 km (0.071 R)
• M32: 11,153,419 km (0.064 R)
• M33: 12,163,504 km (0.069 R)
• M34: 12,376,082 km (0.112 R)
• M35: 13,057,650 km (0.105 R)
• M36: 13,239,112 km (0.099 R)
• M37: 14,871,524 km (0.109 R)
• M38: 15,865,752 km (0.069 R)
• M39: 16,488,229 km (0.102 R)
• M40: 17,118,784 km (0.115 R)
• M41: 17,797,359 km (0.099 R)
• M42: 17,958,327 km (0.097 R)
• M43: 18,079,351 km (0.08 R)
• M44: 18,322,298 km (0.12 R)
• M45: 18,444,221 km (0.069 R)
• M46: 18,566,293 km (0.113 R)
• M47: 18,688,664 km (0.105 R)
• M48: 19,387,435 km (0.095 R)
• M49: 19,511,601 km (0.059 R)
• M50: 20,304,321 km (0.092 R)
• M51: 21,065,026 km (0.094 R)
• M52: 22,267,045 km (0.079 R)
• M53: 22,353,662 km (0.095 R)
• M54: 22,658,093 km (0.046 R)
• M55: 23,183,032 km (0.043 R)
• M56: 23,535,186 km (0.118 R)
• M57: 23,933,565 km (0.117 R)
• M58: 24,155,867 km (0.036 R)
• M59: 24,378,918 km (0.1 R)
• M60: 25,458,715 km (0.086 R)
• M61: 26,095,703 km (0.117 R)
• M62: 26,554,071 km (0.11 R)
• M63: 27,478,586 km (0.049 R)
• M64: 27,758,035 km (0.062 R)
• M65: 27,898,058 km (0.061 R)
• M66: 28,132,029 km (0.115 R)
• M67: 28,649,189 km (0.107 R)
• M68: 28,837,982 km (0.109 R)
• M69: 29,549,619 km (0.106 R)
• M70: 29,644,912 km (0.114 R)
• M71: 30,075,156 km (0.112 R)
• M72: 30,555,664 km (0.063 R)
• M73: 30,652,155 km (0.1 R)
• M74: 30,990,396 km (0.091 R)
• M75: 31,232,744 km (0.116 R)
• M76: 31,865,693 km (0.085 R)
• M77: 32,012,448 km (0.106 R)
• M78: 32,306,558 km (0.119 R)
• M79: 32,897,320 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.8

Radius: 11.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.6 AU - 6.74 AU

Year: 5626 Days

Day: 14.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 21,501,280 km

• M1: 153,338 km (0.043 R)
• M2: 246,537 km (0.12 R)
• M3: 451,038 km (0.088 R)
• M4: 543,639 km (0.088 R)
• M5: 644,019 km (0.05 R)
• M6: 1,139,936 km (0.1 R)
• M7: 1,219,522 km (0.084 R)
• M8: 1,557,613 km (0.067 R)
• M9: 1,677,142 km (0.09 R)
• M10: 1,784,254 km (0.094 R)
• M11: 2,103,196 km (0.03 R)
• M12: 2,615,719 km (0.114 R)
• M13: 3,358,173 km (0.061 R)
• M14: 4,162,860 km (0.055 R)
• M15: 4,352,101 km (0.043 R)
• M16: 4,458,465 km (0.115 R)
• M17: 4,695,428 km (0.097 R)
• M18: 4,848,467 km (0.096 R)
• M19: 5,294,867 km (0.096 R)
• M20: 5,615,306 km (0.1 R)
• M21: 5,708,056 km (0.117 R)
• M22: 5,824,743 km (0.066 R)
• M23: 5,918,541 km (0.092 R)
• M24: 6,084,145 km (0.112 R)
• M25: 6,909,926 km (0.077 R)
• M26: 6,984,575 km (0.11 R)
• M27: 7,235,151 km (0.107 R)
• M28: 7,693,669 km (0.117 R)
• M29: 7,848,503 km (0.081 R)
• M30: 7,952,473 km (0.04 R)
• M31: 8,214,120 km (0.115 R)
• M32: 8,452,130 km (0.037 R)
• M33: 8,558,644 km (0.066 R)
• M34: 9,043,490 km (0.107 R)
• M35: 9,261,903 km (0.102 R)
• M36: 9,399,234 km (0.111 R)
• M37: 9,537,313 km (0.11 R)
• M38: 9,675,990 km (0.076 R)
• M39: 10,351,425 km (0.12 R)
• M40: 10,436,845 km (0.052 R)
• M41: 10,551,287 km (0.11 R)
• M42: 10,925,880 km (0.114 R)
• M43: 11,158,505 km (0.102 R)
• M44: 12,135,678 km (0.072 R)
• M45: 13,263,646 km (0.115 R)
• M46: 13,824,638 km (0.087 R)
• M47: 14,234,537 km (0.096 R)
• M48: 14,456,839 km (0.109 R)
• M49: 15,292,942 km (0.027 R)
• M50: 15,553,391 km (0.071 R)
• M51: 15,684,290 km (0.065 R)
• M52: 15,946,834 km (0.12 R)
• M53: 16,045,718 km (0.077 R)
• M54: 16,409,989 km (0.115 R)
• M55: 16,509,771 km (0.083 R)
• M56: 16,776,952 km (0.081 R)
• M57: 16,944,801 km (0.1 R)
• M58: 17,281,845 km (0.092 R)
• M59: 17,621,283 km (0.087 R)
• M60: 18,652,461 km (0.056 R)
• M61: 18,826,294 km (0.099 R)
• M62: 19,000,575 km (0.103 R)
• M63: 19,809,451 km (0.088 R)
• M64: 19,951,270 km (0.106 R)
• M65: 20,200,200 km (0.091 R)
• M66: 20,342,917 km (0.092 R)
• M67: 20,450,179 km (0.102 R)
• M68: 20,881,320 km (0.116 R)
• M69: 20,989,479 km (0.12 R)
• M70: 21,315,303 km (0.065 R)
• M71: 21,788,780 km (0.102 R)
• M72: 21,935,237 km (0.09 R)
• M73: 22,376,401 km (0.105 R)
• M74: 22,894,907 km (0.064 R)
• M75: 23,155,656 km (0.12 R)
• M76: 23,454,852 km (0.096 R)
• M77: 23,642,447 km (0.116 R)
• M78: 24,284,073 km (0.067 R)
• M79: 24,435,915 km (0.054 R)
• M80: 24,550,058 km (0.116 R)
• M81: 25,391,995 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.5

Radius: 13.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.78 AU - 8.88 AU

Year: 7285 Days

Day: 9.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 21,501,280 km

• M1: 208,390 km (0.098 R)
• M2: 414,835 km (0.058 R)
• M3: 642,822 km (0.083 R)
• M4: 968,646 km (0.108 R)
• M5: 1,371,364 km (0.057 R)
• M6: 1,458,280 km (0.057 R)
• M7: 1,771,089 km (0.086 R)
• M8: 2,077,166 km (0.075 R)
• M9: 2,430,666 km (0.065 R)
• M10: 2,537,479 km (0.083 R)
• M11: 3,013,500 km (0.105 R)
• M12: 3,161,901 km (0.065 R)
• M13: 3,346,654 km (0.096 R)
• M14: 4,066,968 km (0.072 R)
• M15: 4,305,277 km (0.095 R)
• M16: 4,950,792 km (0.109 R)
• M17: 5,364,729 km (0.108 R)
• M18: 6,121,246 km (0.092 R)
• M19: 8,376,733 km (0.075 R)
• M20: 8,587,067 km (0.097 R)
• M21: 8,751,924 km (0.079 R)
• M22: 8,989,186 km (0.095 R)
• M23: 9,108,715 km (0.072 R)
• M24: 9,300,948 km (0.107 R)
• M25: 10,108,179 km (0.052 R)
• M26: 10,785,408 km (0.062 R)
• M27: 11,685,239 km (0.081 R)
• M28: 12,051,904 km (0.09 R)
• M29: 12,183,849 km (0.1 R)
• M30: 12,316,093 km (0.1 R)
• M31: 12,582,378 km (0.089 R)
• M32: 13,803,695 km (0.088 R)
• M33: 14,247,103 km (0.053 R)
• M34: 14,498,577 km (0.075 R)
• M35: 14,836,070 km (0.078 R)
• M36: 15,062,561 km (0.101 R)
• M37: 15,893,427 km (0.098 R)
• M38: 16,416,571 km (0.096 R)
• M39: 17,211,833 km (0.119 R)
• M40: 19,362,752 km (0.047 R)
• M41: 20,265,575 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 19,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit