🌌 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: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.63 AU - 0.73 AU

Year: 238 Days

Day: 25.5 Hours

Environment

Temp: 21 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 46,646,280 km

• M1: 213,327 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.72 AU - 1.1 AU

Year: 369 Days

Day: 32.5 Hours

Environment

Temp: -37 °C

Axial Tilt: 132.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.99 AU - 1.39 AU

Year: 551 Days

Day: 34.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.09 AU - 1.39 AU

Year: 586 Days

Day: 47.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 10.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.83 AU - 6.03 AU

Year: 5372 Days

Day: 7.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 46,646,280 km

• M1: 154,535 km (0.036 R)
• M2: 235,617 km (0.101 R)
• M3: 325,675 km (0.097 R)
• M4: 416,032 km (0.09 R)
• M5: 608,863 km (0.09 R)
• M6: 821,292 km (0.066 R)
• M7: 953,836 km (0.093 R)
• M8: 1,142,180 km (0.082 R)
• M9: 1,279,062 km (0.103 R)
• M10: 1,368,970 km (0.093 R)
• M11: 1,808,040 km (0.066 R)
• M12: 2,809,298 km (0.099 R)
• M13: 3,223,236 km (0.071 R)
• M14: 3,509,865 km (0.109 R)
• M15: 3,786,322 km (0.118 R)
• M16: 4,050,662 km (0.114 R)
• M17: 4,165,852 km (0.092 R)
• M18: 4,262,642 km (0.085 R)
• M19: 4,717,718 km (0.056 R)
• M20: 4,859,388 km (0.12 R)
• M21: 4,961,413 km (0.092 R)
• M22: 5,146,915 km (0.092 R)
• M23: 5,397,790 km (0.069 R)
• M24: 5,825,042 km (0.081 R)
• M25: 6,780,075 km (0.106 R)
• M26: 7,783,278 km (0.112 R)
• M27: 8,192,727 km (0.083 R)
• M28: 8,265,731 km (0.062 R)
• M29: 8,461,405 km (0.092 R)
• M30: 9,360,937 km (0.105 R)
• M31: 9,718,925 km (0.116 R)
• M32: 10,029,490 km (0.065 R)
• M33: 10,290,688 km (0.112 R)
• M34: 10,369,526 km (0.069 R)
• M35: 10,448,514 km (0.083 R)
• M36: 10,554,279 km (0.106 R)
• M37: 10,819,965 km (0.086 R)
• M38: 10,926,928 km (0.098 R)
• M39: 11,034,189 km (0.112 R)
• M40: 11,358,069 km (0.045 R)
• M41: 11,739,992 km (0.095 R)
• M42: 11,877,323 km (0.106 R)
• M43: 12,070,603 km (0.085 R)
• M44: 12,292,906 km (0.097 R)
• M45: 12,572,504 km (0.079 R)
• M46: 13,052,713 km (0.073 R)
• M47: 13,252,277 km (0.098 R)
• M48: 13,424,015 km (0.116 R)
• M49: 13,567,779 km (0.101 R)
• M50: 13,683,119 km (0.111 R)
• M51: 13,856,802 km (0.119 R)
• M52: 14,352,719 km (0.119 R)
• M53: 14,973,550 km (0.092 R)
• M54: 15,392,275 km (0.033 R)
• M55: 15,482,482 km (0.052 R)
• M56: 15,663,495 km (0.116 R)
• M57: 15,814,888 km (0.101 R)
• M58: 16,149,539 km (0.052 R)
• M59: 16,394,580 km (0.091 R)
• M60: 16,671,486 km (0.08 R)
• M61: 16,950,037 km (0.091 R)
• M62: 18,016,221 km (0.068 R)
• M63: 19,298,275 km (0.085 R)
• M64: 19,884,848 km (0.109 R)
• M65: 20,410,984 km (0.044 R)
• M66: 20,675,922 km (0.032 R)
• M67: 20,875,186 km (0.079 R)
• M68: 21,242,449 km (0.088 R)
• M69: 21,342,979 km (0.051 R)
• M70: 21,881,681 km (0.12 R)
• M71: 22,051,025 km (0.089 R)
• M72: 22,425,020 km (0.097 R)
• M73: 22,869,625 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 12.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.89 AU - 7.07 AU

Year: 7004 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 46,646,280 km

• M1: 187,147 km (0.111 R)
• M2: 380,128 km (0.095 R)
• M3: 561,291 km (0.076 R)
• M4: 664,364 km (0.074 R)
• M5: 1,016,218 km (0.071 R)
• M6: 1,158,636 km (0.07 R)
• M7: 1,244,953 km (0.101 R)
• M8: 1,398,441 km (0.084 R)
• M9: 1,517,820 km (0.041 R)
• M10: 1,613,114 km (0.103 R)
• M11: 2,030,342 km (0.098 R)
• M12: 2,726,571 km (0.086 R)
• M13: 2,945,881 km (0.099 R)
• M14: 3,402,005 km (0.083 R)
• M15: 3,510,464 km (0.048 R)
• M16: 3,824,320 km (0.085 R)
• M17: 5,127,617 km (0.09 R)
• M18: 5,357,249 km (0.092 R)
• M19: 5,547,837 km (0.104 R)
• M20: 5,848,678 km (0.091 R)
• M21: 5,957,436 km (0.095 R)
• M22: 6,243,467 km (0.069 R)
• M23: 6,488,957 km (0.1 R)
• M24: 6,920,697 km (0.109 R)
• M25: 7,408,685 km (0.055 R)
• M26: 7,597,477 km (0.107 R)
• M27: 8,173,728 km (0.056 R)
• M28: 8,863,823 km (0.048 R)
• M29: 9,830,226 km (0.037 R)
• M30: 9,985,807 km (0.115 R)
• M31: 10,325,993 km (0.054 R)
• M32: 10,563,554 km (0.1 R)
• M33: 11,368,989 km (0.117 R)
• M34: 11,450,670 km (0.071 R)
• M35: 11,587,253 km (0.1 R)
• M36: 12,670,491 km (0.114 R)
• M37: 12,953,380 km (0.077 R)
• M38: 13,152,794 km (0.119 R)
• M39: 14,487,955 km (0.111 R)
• M40: 15,231,606 km (0.098 R)
• M41: 15,987,674 km (0.066 R)
• M42: 17,567,876 km (0.105 R)
• M43: 19,555,284 km (0.038 R)
• M44: 20,178,509 km (0.085 R)
• M45: 21,142,218 km (0.118 R)
• M46: 21,849,517 km (0.034 R)
• M47: 22,086,929 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.9

Radius: 10.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.52 AU - 7.28 AU

Year: 7696 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 46,646,280 km

• M1: 131,796 km (0.095 R)
• M2: 225,294 km (0.059 R)
• M3: 301,889 km (0.114 R)
• M4: 787,334 km (0.106 R)
• M5: 922,271 km (0.07 R)
• M6: 1,188,405 km (0.049 R)
• M7: 1,273,227 km (0.051 R)
• M8: 2,058,018 km (0.119 R)
• M9: 2,143,737 km (0.105 R)
• M10: 2,265,809 km (0.092 R)
• M11: 2,910,875 km (0.099 R)
• M12: 3,610,245 km (0.098 R)
• M13: 4,970,838 km (0.058 R)
• M14: 5,949,358 km (0.084 R)
• M15: 6,172,109 km (0.067 R)
• M16: 6,422,835 km (0.05 R)
• M17: 6,908,430 km (0.096 R)
• M18: 7,142,700 km (0.07 R)
• M19: 7,592,242 km (0.055 R)
• M20: 8,187,641 km (0.099 R)
• M21: 8,269,920 km (0.084 R)
• M22: 9,137,288 km (0.116 R)
• M23: 10,656,305 km (0.096 R)
• M24: 10,806,352 km (0.103 R)
• M25: 10,957,296 km (0.115 R)
• M26: 11,139,207 km (0.1 R)
• M27: 11,598,622 km (0.075 R)
• M28: 11,691,223 km (0.065 R)
• M29: 11,784,123 km (0.113 R)
• M30: 12,346,462 km (0.073 R)
• M31: 13,045,682 km (0.075 R)
• M32: 13,562,244 km (0.088 R)
• M33: 14,052,775 km (0.056 R)
• M34: 14,548,991 km (0.078 R)
• M35: 14,648,923 km (0.078 R)
• M36: 15,456,751 km (0.12 R)
• M37: 15,900,309 km (0.061 R)
• M38: 16,452,026 km (0.064 R)
• M39: 16,870,002 km (0.098 R)
• M40: 16,939,864 km (0.042 R)
• M41: 17,220,959 km (0.105 R)
• M42: 18,721,126 km (0.103 R)
• M43: 20,262,732 km (0.049 R)
• M44: 20,748,177 km (0.047 R)
• M45: 21,048,869 km (0.091 R)
• M46: 21,388,756 km (0.112 R)
• M47: 21,502,600 km (0.056 R)
• M48: 21,730,587 km (0.074 R)
• M49: 22,689,359 km (0.047 R)
• M50: 24,847,159 km (0.105 R)
• M51: 25,849,315 km (0.091 R)
• M52: 26,051,422 km (0.116 R)
• M53: 26,294,519 km (0.096 R)
• M54: 26,742,265 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.9

Radius: 8.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.18 AU - 10.62 AU

Year: 13226 Days

Day: 7.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 46,646,280 km

• M1: 187,745 km (0.109 R)
• M2: 273,016 km (0.075 R)
• M3: 340,485 km (0.065 R)
• M4: 428,598 km (0.091 R)
• M5: 584,778 km (0.087 R)
• M6: 811,718 km (0.118 R)
• M7: 954,135 km (0.101 R)
• M8: 1,163,722 km (0.089 R)
• M9: 1,223,411 km (0.09 R)
• M10: 1,538,315 km (0.083 R)
• M11: 2,021,067 km (0.115 R)
• M12: 2,216,891 km (0.061 R)
• M13: 2,522,220 km (0.091 R)
• M14: 2,600,759 km (0.065 R)
• M15: 2,706,674 km (0.068 R)
• M16: 3,144,996 km (0.053 R)
• M17: 3,401,257 km (0.087 R)
• M18: 3,488,323 km (0.088 R)
• M19: 4,461,607 km (0.111 R)
• M20: 4,525,186 km (0.105 R)
• M21: 4,814,807 km (0.086 R)
• M22: 5,044,141 km (0.045 R)
• M23: 5,176,984 km (0.092 R)
• M24: 6,209,060 km (0.036 R)
• M25: 6,351,477 km (0.108 R)
• M26: 6,603,250 km (0.094 R)
• M27: 7,491,263 km (0.079 R)
• M28: 7,604,808 km (0.081 R)
• M29: 8,142,762 km (0.08 R)
• M30: 8,772,569 km (0.12 R)
• M31: 9,664,022 km (0.111 R)
• M32: 10,162,333 km (0.065 R)
• M33: 11,054,535 km (0.092 R)
• M34: 11,227,320 km (0.037 R)
• M35: 11,575,734 km (0.103 R)
• M36: 11,751,212 km (0.096 R)
• M37: 12,867,810 km (0.118 R)
• M38: 13,461,864 km (0.096 R)
• M39: 14,018,068 km (0.055 R)
• M40: 14,111,567 km (0.091 R)
• M41: 14,299,013 km (0.118 R)
• M42: 14,629,176 km (0.098 R)
• M43: 15,683,093 km (0.115 R)
• M44: 16,023,578 km (0.118 R)
• M45: 16,268,170 km (0.083 R)
• M46: 16,514,109 km (0.082 R)
• M47: 16,662,360 km (0.054 R)
• M48: 16,761,394 km (0.119 R)
• M49: 16,860,578 km (0.069 R)
• M50: 17,359,487 km (0.086 R)
• M51: 18,015,473 km (0.091 R)
• M52: 18,117,050 km (0.112 R)
• M53: 18,474,290 km (0.103 R)
• M54: 19,247,711 km (0.077 R)
• M55: 20,453,918 km (0.078 R)
• M56: 21,039,445 km (0.105 R)
• M57: 21,900,829 km (0.082 R)
• M58: 22,063,741 km (0.074 R)
• M59: 22,938,889 km (0.099 R)
• M60: 23,214,598 km (0.085 R)
• M61: 24,441,300 km (0.075 R)
• M62: 24,497,549 km (0.084 R)
• M63: 24,553,798 km (0.082 R)
• M64: 24,722,993 km (0.094 R)
• M65: 24,835,939 km (0.119 R)
• M66: 25,119,128 km (0.091 R)
• M67: 25,289,670 km (0.083 R)
• M68: 25,688,797 km (0.111 R)
• M69: 26,320,399 km (0.078 R)
• M70: 26,493,484 km (0.108 R)
• M71: 28,541,179 km (0.094 R)
• M72: 30,155,340 km (0.12 R)
• M73: 30,517,966 km (0.12 R)
• M74: 32,600,518 km (0.114 R)
• M75: 32,662,451 km (0.095 R)
• M76: 32,786,468 km (0.067 R)
• M77: 33,159,415 km (0.09 R)
• M78: 33,596,391 km (0.096 R)
• M79: 33,658,923 km (0.051 R)
• M80: 34,412,746 km (0.089 R)
• M81: 35,108,675 km (0.044 R)
• M82: 37,159,513 km (0.058 R)
• M83: 37,808,319 km (0.102 R)
• M84: 38,264,742 km (0.096 R)
• M85: 39,051,477 km (0.112 R)
• M86: 39,183,123 km (0.117 R)
• M87: 39,909,720 km (0.078 R)
• M88: 40,774,096 km (0.063 R)
• M89: 41,242,188 km (0.117 R)
• M90: 44,430,568 km (0.047 R)
• M91: 46,367,411 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 10,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit