🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.5

Radius: 12.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.67 AU - 0.77 AU

Year: 407 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,767,132 km

• M1: 150,495 km (0.079 R)
• M2: 541,544 km (0.078 R)
• M3: 1,060,051 km (0.054 R)
• M4: 1,654,403 km (0.105 R)
• M5: 2,115,613 km (0.049 R)
• M6: 2,561,864 km (0.044 R)
• M7: 3,672,628 km (0.111 R)
• M8: 4,237,659 km (0.085 R)
• M9: 5,017,064 km (0.092 R)
• M10: 5,961,026 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 10.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.65 AU - 0.81 AU

Year: 416 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,767,132 km

• M1: 125,662 km (0.051 R)
• M2: 443,558 km (0.084 R)
• M3: 820,096 km (0.073 R)
• M4: 1,176,438 km (0.105 R)
• M5: 1,841,849 km (0.107 R)
• M6: 2,296,178 km (0.112 R)
• M7: 2,633,970 km (0.09 R)
• M8: 3,254,502 km (0.08 R)
• M9: 3,969,879 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 9.3

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.55 AU - 0.91 AU

Year: 416 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,767,132 km

• M1: 115,789 km (0.113 R)
• M2: 709,692 km (0.087 R)
• M3: 1,053,767 km (0.066 R)
• M4: 1,373,757 km (0.053 R)
• M5: 1,781,860 km (0.12 R)
• M6: 2,103,496 km (0.101 R)
• M7: 2,483,175 km (0.071 R)
• M8: 2,919,103 km (0.109 R)
• M9: 3,513,904 km (0.066 R)
• M10: 4,092,100 km (0.096 R)
• M11: 5,323,590 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.4

Radius: 12.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.97 AU - 3.25 AU

Year: 2812 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,767,132 km

• M1: 156,629 km (0.083 R)
• M2: 600,336 km (0.059 R)
• M3: 1,051,374 km (0.108 R)
• M4: 1,511,238 km (0.051 R)
• M5: 2,028,248 km (0.08 R)
• M6: 2,454,003 km (0.107 R)
• M7: 3,283,823 km (0.052 R)
• M8: 3,929,637 km (0.082 R)
• M9: 4,698,271 km (0.097 R)
• M10: 5,677,538 km (0.101 R)
• M11: 8,330,208 km (0.111 R)
• M12: 9,762,308 km (0.104 R)
• M13: 10,571,633 km (0.091 R)
• M14: 11,388,886 km (0.106 R)
• M15: 13,554,913 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851

Radius: 14.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.14 AU - 3.74 AU

Year: 4255 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,767,132 km

• M1: 220,358 km (0.086 R)
• M2: 778,657 km (0.106 R)
• M3: 1,341,444 km (0.082 R)
• M4: 2,223,324 km (0.063 R)
• M5: 3,825,367 km (0.083 R)
• M6: 4,593,552 km (0.113 R)
• M7: 5,324,487 km (0.113 R)
• M8: 5,952,200 km (0.048 R)
• M9: 6,693,158 km (0.092 R)
• M10: 8,028,020 km (0.103 R)
• M11: 10,246,557 km (0.089 R)
• M12: 11,404,893 km (0.109 R)
• M13: 12,999,008 km (0.1 R)
• M14: 14,248,449 km (0.112 R)
• M15: 15,576,729 km (0.089 R)
• M16: 16,985,941 km (0.113 R)
• M17: 18,160,733 km (0.093 R)
• M18: 23,034,033 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 12.5

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.27 AU - 4.99 AU

Year: 6644 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,767,132 km

• M1: 156,180 km (0.116 R)
• M2: 759,957 km (0.113 R)
• M3: 1,347,727 km (0.087 R)
• M4: 2,130,722 km (0.083 R)
• M5: 3,050,301 km (0.091 R)
• M6: 3,648,243 km (0.11 R)
• M7: 4,089,407 km (0.072 R)
• M8: 6,259,025 km (0.068 R)
• M9: 6,713,952 km (0.106 R)
• M10: 7,534,497 km (0.037 R)
• M11: 8,976,321 km (0.107 R)
• M12: 9,925,520 km (0.108 R)
• M13: 11,447,379 km (0.103 R)
• M14: 13,634,500 km (0.088 R)
• M15: 15,511,354 km (0.116 R)
• M16: 17,970,145 km (0.029 R)
• M17: 18,392,011 km (0.108 R)
• M18: 18,892,715 km (0.107 R)
• M19: 19,549,599 km (0.103 R)
• M20: 24,240,241 km (0.107 R)
• M21: 27,816,078 km (0.112 R)
• M22: 37,005,726 km (0.075 R)
• M23: 39,082,444 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.8

Radius: 4.9

Gravity: 38.14 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.28 AU - 6.4 AU

Year: 9411 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 152.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,767,132 km

• M1: 61,036 km (0.078 R)
• M2: 284,386 km (0.118 R)
• M3: 693,386 km (0.103 R)
• M4: 940,971 km (0.09 R)
• M5: 2,034,232 km (0.081 R)
• M6: 3,065,410 km (0.05 R)
• M7: 3,707,334 km (0.118 R)
• M8: 4,464,300 km (0.086 R)
• M9: 4,927,006 km (0.028 R)
• M10: 6,545,356 km (0.098 R)
• M11: 7,182,792 km (0.034 R)
• M12: 9,293,618 km (0.042 R)
• M13: 9,589,822 km (0.032 R)
• M14: 11,166,284 km (0.117 R)
• M15: 11,957,956 km (0.115 R)
• M16: 12,486,186 km (0.092 R)
• M17: 14,622,593 km (0.066 R)
• M18: 15,777,040 km (0.076 R)
• M19: 16,412,233 km (0.064 R)
• M20: 17,808,879 km (0.101 R)
• M21: 18,730,701 km (0.099 R)
• M22: 19,362,602 km (0.114 R)
• M23: 22,382,983 km (0.105 R)
• M24: 26,384,726 km (0.032 R)
• M25: 26,581,746 km (0.104 R)
• M26: 27,682,338 km (0.04 R)
• M27: 29,126,855 km (0.08 R)
• M28: 32,502,531 km (0.096 R)
• M29: 35,647,527 km (0.091 R)
• M30: 38,734,928 km (0.09 R)
• M31: 42,805,037 km (0.068 R)
• M32: 43,624,385 km (0.097 R)
• M33: 44,593,480 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.2

Radius: 5

Gravity: 37.01 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.03 AU - 8.37 AU

Year: 15659 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,767,132 km

• M1: 69,114 km (0.11 R)
• M2: 293,661 km (0.108 R)
• M3: 908,209 km (0.04 R)
• M4: 1,302,399 km (0.039 R)
• M5: 1,546,692 km (0.109 R)
• M6: 1,913,506 km (0.115 R)
• M7: 2,769,954 km (0.044 R)
• M8: 3,648,842 km (0.113 R)
• M9: 4,596,544 km (0.097 R)
• M10: 5,054,463 km (0.105 R)
• M11: 6,920,248 km (0.084 R)
• M12: 7,193,264 km (0.099 R)
• M13: 7,568,605 km (0.047 R)
• M14: 8,006,179 km (0.086 R)
• M15: 8,720,209 km (0.11 R)
• M16: 11,938,808 km (0.082 R)
• M17: 12,134,182 km (0.116 R)
• M18: 12,598,385 km (0.09 R)
• M19: 14,134,755 km (0.08 R)
• M20: 15,098,913 km (0.04 R)
• M21: 20,491,767 km (0.053 R)
• M22: 22,906,127 km (0.114 R)
• M23: 23,819,871 km (0.042 R)
• M24: 25,828,072 km (0.055 R)
• M25: 35,659,944 km (0.118 R)
• M26: 37,998,906 km (0.025 R)
• M27: 41,174,720 km (0.099 R)
• M28: 48,212,851 km (0.094 R)
• M29: 54,032,956 km (0.095 R)
• M30: 59,164,013 km (0.074 R)
• M31: 61,265,414 km (0.095 R)
• M32: 65,011,644 km (0.027 R)
• M33: 70,806,168 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.4

Radius: 3.4

Gravity: 39.39 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.63 AU - 10.59 AU

Year: 18336 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,767,132 km

• M1: 42,336 km (0.11 R)
• M2: 153,188 km (0.103 R)
• M3: 344,524 km (0.08 R)
• M4: 1,032,674 km (0.068 R)
• M5: 2,525,661 km (0.101 R)
• M6: 3,013,350 km (0.042 R)
• M7: 3,506,125 km (0.098 R)
• M8: 4,050,512 km (0.105 R)
• M9: 4,952,587 km (0.05 R)
• M10: 5,162,024 km (0.117 R)
• M11: 5,598,551 km (0.119 R)
• M12: 6,968,568 km (0.034 R)
• M13: 9,313,664 km (0.097 R)
• M14: 11,579,922 km (0.079 R)
• M15: 17,401,224 km (0.105 R)
• M16: 19,048,147 km (0.088 R)
• M17: 22,081,394 km (0.068 R)
• M18: 23,127,681 km (0.069 R)
• M19: 24,506,525 km (0.077 R)
• M20: 25,318,542 km (0.028 R)
• M21: 26,782,507 km (0.103 R)
• M22: 26,996,133 km (0.106 R)
• M23: 30,338,448 km (0.114 R)
• M24: 30,803,997 km (0.077 R)
• M25: 31,749,156 km (0.067 R)
• M26: 33,203,098 km (0.09 R)
• M27: 34,071,364 km (0.119 R)
• M28: 37,428,789 km (0.086 R)
• M29: 43,307,237 km (0.108 R)
• M30: 53,569,950 km (0.065 R)
• M31: 53,909,089 km (0.042 R)
• M32: 55,973,988 km (0.083 R)
• M33: 56,849,734 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.6

Radius: 5.3

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.24 AU - 11.5 AU

Year: 22269 Days

Day: 21 Hours

Environment

Temp: -246 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,767,132 km

• M1: 66,122 km (0.11 R)
• M2: 241,002 km (0.074 R)
• M3: 554,410 km (0.095 R)
• M4: 869,164 km (0.082 R)
• M5: 1,705,416 km (0.101 R)
• M6: 2,091,229 km (0.032 R)
• M7: 2,852,682 km (0.077 R)
• M8: 3,631,638 km (0.08 R)
• M9: 4,202,055 km (0.106 R)
• M10: 4,508,730 km (0.093 R)
• M11: 4,903,669 km (0.086 R)
• M12: 5,399,735 km (0.11 R)
• M13: 5,928,713 km (0.114 R)
• M14: 6,314,676 km (0.117 R)
• M15: 6,763,021 km (0.059 R)
• M16: 7,474,957 km (0.1 R)
• M17: 8,288,021 km (0.115 R)
• M18: 10,028,592 km (0.062 R)
• M19: 10,889,079 km (0.069 R)
• M20: 12,134,182 km (0.119 R)
• M21: 14,594,170 km (0.082 R)
• M22: 14,826,047 km (0.104 R)
• M23: 21,552,266 km (0.12 R)
• M24: 22,360,394 km (0.117 R)
• M25: 23,083,999 km (0.095 R)
• M26: 23,504,369 km (0.079 R)
• M27: 25,237,310 km (0.099 R)
• M28: 33,154,778 km (0.089 R)
• M29: 38,179,920 km (0.068 R)
• M30: 38,915,792 km (0.045 R)
• M31: 43,211,644 km (0.115 R)
• M32: 44,010,646 km (0.119 R)
• M33: 58,946,199 km (0.085 R)
• M34: 61,724,381 km (0.069 R)
• M35: 63,145,710 km (0.094 R)
• M36: 70,360,367 km (0.04 R)
• M37: 77,869,581 km (0.179 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: 441 - 16,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit