🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 9.5

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.4 AU - 1.68 AU

Year: 1296 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,492,740 km

• M1: 118,182 km (0.074 R)
• M2: 716,574 km (0.086 R)
• M3: 1,134,999 km (0.089 R)
• M4: 2,166,476 km (0.109 R)
• M5: 3,118,368 km (0.06 R)
• M6: 3,501,937 km (0.077 R)
• M7: 4,163,458 km (0.106 R)
• M8: 4,514,714 km (0.06 R)
• M9: 4,905,913 km (0.116 R)
• M10: 5,448,205 km (0.063 R)
• M11: 7,082,562 km (0.119 R)
• M12: 7,803,474 km (0.057 R)
• M13: 8,110,748 km (0.032 R)
• M14: 8,869,658 km (0.113 R)
• M15: 10,461,080 km (0.081 R)
• M16: 11,610,590 km (0.098 R)
• M17: 12,498,154 km (0.063 R)
• M18: 12,997,362 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 13.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.93 AU - 1.97 AU

Year: 1847 Days

Day: 11.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,492,740 km

• M1: 166,353 km (0.077 R)
• M2: 659,577 km (0.079 R)
• M3: 1,231,190 km (0.119 R)
• M4: 1,756,129 km (0.074 R)
• M5: 2,263,865 km (0.096 R)
• M6: 2,952,164 km (0.075 R)
• M7: 3,439,105 km (0.089 R)
• M8: 4,444,852 km (0.079 R)
• M9: 4,966,649 km (0.099 R)
• M10: 5,950,405 km (0.099 R)
• M11: 6,464,872 km (0.068 R)
• M12: 8,947,000 km (0.117 R)
• M13: 9,846,382 km (0.037 R)
• M14: 11,645,147 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.44 AU - 3.7 AU

Year: 3648 Days

Day: 5.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,492,740 km

• M1: 117,285 km (0.06 R)
• M2: 953,686 km (0.066 R)
• M3: 1,758,373 km (0.117 R)
• M4: 2,529,401 km (0.06 R)
• M5: 3,380,463 km (0.074 R)
• M6: 5,478,424 km (0.116 R)
• M7: 5,883,684 km (0.047 R)
• M8: 7,462,391 km (0.072 R)
• M9: 8,166,847 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.6

Radius: 14.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.34 AU - 4.32 AU

Year: 5084 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,492,740 km

• M1: 188,493 km (0.096 R)
• M2: 664,963 km (0.049 R)
• M3: 1,178,682 km (0.06 R)
• M4: 1,709,754 km (0.094 R)
• M5: 2,577,571 km (0.047 R)
• M6: 5,239,516 km (0.059 R)
• M7: 5,769,541 km (0.061 R)
• M8: 7,338,075 km (0.074 R)
• M9: 9,865,232 km (0.052 R)
• M10: 13,076,799 km (0.092 R)
• M11: 14,162,580 km (0.091 R)
• M12: 14,700,384 km (0.065 R)
• M13: 20,039,383 km (0.097 R)
• M14: 23,140,547 km (0.061 R)
• M15: 27,038,020 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.2

Radius: 10.1

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.99 AU - 5.13 AU

Year: 7720 Days

Day: 12.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,492,740 km

• M1: 126,111 km (0.087 R)
• M2: 544,087 km (0.048 R)
• M3: 1,018,761 km (0.063 R)
• M4: 1,412,503 km (0.085 R)
• M5: 2,019,870 km (0.078 R)
• M6: 2,847,745 km (0.095 R)
• M7: 3,558,036 km (0.078 R)
• M8: 4,607,315 km (0.059 R)
• M9: 5,026,339 km (0.094 R)
• M10: 8,173,878 km (0.096 R)
• M11: 9,271,777 km (0.051 R)
• M12: 10,643,739 km (0.115 R)
• M13: 11,052,889 km (0.095 R)
• M14: 12,493,068 km (0.102 R)
• M15: 13,154,590 km (0.059 R)
• M16: 15,394,668 km (0.1 R)
• M17: 16,514,259 km (0.116 R)
• M18: 18,262,160 km (0.062 R)
• M19: 18,652,162 km (0.085 R)
• M20: 19,516,239 km (0.067 R)
• M21: 20,616,232 km (0.087 R)
• M22: 22,416,792 km (0.105 R)
• M23: 23,317,371 km (0.1 R)
• M24: 24,241,886 km (0.092 R)
• M25: 25,190,636 km (0.089 R)
• M26: 25,836,749 km (0.114 R)
• M27: 28,794,149 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.8

Radius: 5.7

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.03 AU - 6.65 AU

Year: 9572 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,492,740 km

• M1: 71,957 km (0.097 R)
• M2: 266,883 km (0.037 R)
• M3: 551,418 km (0.092 R)
• M4: 875,447 km (0.072 R)
• M5: 1,719,777 km (0.106 R)
• M6: 1,933,253 km (0.079 R)
• M7: 2,229,307 km (0.062 R)
• M8: 2,573,083 km (0.066 R)
• M9: 3,051,946 km (0.112 R)
• M10: 3,843,169 km (0.071 R)
• M11: 4,467,890 km (0.045 R)
• M12: 5,363,532 km (0.116 R)
• M13: 5,980,773 km (0.085 R)
• M14: 6,713,204 km (0.107 R)
• M15: 7,691,724 km (0.067 R)
• M16: 8,970,487 km (0.039 R)
• M17: 9,528,337 km (0.096 R)
• M18: 10,524,809 km (0.06 R)
• M19: 10,999,782 km (0.084 R)
• M20: 11,390,083 km (0.12 R)
• M21: 12,775,808 km (0.111 R)
• M22: 13,261,552 km (0.112 R)
• M23: 14,385,182 km (0.108 R)
• M24: 14,911,018 km (0.037 R)
• M25: 15,268,557 km (0.111 R)
• M26: 16,692,430 km (0.111 R)
• M27: 19,658,955 km (0.038 R)
• M28: 21,116,637 km (0.044 R)
• M29: 21,948,252 km (0.118 R)
• M30: 23,117,209 km (0.107 R)
• M31: 24,245,177 km (0.073 R)
• M32: 27,048,193 km (0.107 R)
• M33: 30,822,397 km (0.048 R)
• M34: 31,891,573 km (0.114 R)
• M35: 34,413,195 km (0.088 R)
• M36: 34,620,538 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.7

Radius: 3.4

Gravity: 80.86 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.45 AU - 7.93 AU

Year: 11736 Days

Day: 15.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,492,740 km

• M1: 43,383 km (0.067 R)
• M2: 181,313 km (0.104 R)
• M3: 435,031 km (0.057 R)
• M4: 901,028 km (0.055 R)
• M5: 1,045,689 km (0.057 R)
• M6: 1,271,582 km (0.109 R)
• M7: 1,575,266 km (0.063 R)
• M8: 1,820,307 km (0.069 R)
• M9: 2,964,132 km (0.098 R)
• M10: 3,209,622 km (0.119 R)
• M11: 3,389,289 km (0.099 R)
• M12: 3,998,153 km (0.094 R)
• M13: 4,116,335 km (0.093 R)
• M14: 4,267,130 km (0.077 R)
• M15: 4,709,341 km (0.118 R)
• M16: 6,179,439 km (0.044 R)
• M17: 7,883,509 km (0.11 R)
• M18: 8,694,030 km (0.077 R)
• M19: 10,534,832 km (0.034 R)
• M20: 10,989,310 km (0.099 R)
• M21: 11,755,550 km (0.069 R)
• M22: 12,556,647 km (0.101 R)
• M23: 15,465,428 km (0.075 R)
• M24: 17,113,847 km (0.102 R)
• M25: 17,900,432 km (0.105 R)
• M26: 20,317,485 km (0.102 R)
• M27: 23,417,602 km (0.066 R)
• M28: 23,705,428 km (0.08 R)
• M29: 27,133,763 km (0.076 R)
• M30: 31,806,751 km (0.09 R)
• M31: 32,159,653 km (0.09 R)
• M32: 32,634,327 km (0.116 R)
• M33: 33,113,638 km (0.098 R)
• M34: 48,515,038 km (0.041 R)
• M35: 51,043,541 km (0.085 R)
• M36: 51,365,626 km (0.117 R)
• M37: 56,533,335 km (0.119 R)
• M38: 57,050,943 km (0.078 R)
• M39: 57,920,855 km (0.079 R)
• M40: 58,095,884 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.6

Radius: 7.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.77 AU - 8.85 AU

Year: 13405 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,492,740 km

• M1: 92,003 km (0.103 R)
• M2: 405,111 km (0.031 R)
• M3: 1,224,459 km (0.081 R)
• M4: 2,139,848 km (0.109 R)
• M5: 4,872,851 km (0.114 R)
• M6: 5,628,171 km (0.09 R)
• M7: 10,091,573 km (0.054 R)
• M8: 11,148,781 km (0.114 R)
• M9: 12,395,081 km (0.061 R)
• M10: 13,296,558 km (0.109 R)
• M11: 21,453,382 km (0.06 R)
• M12: 23,915,912 km (0.113 R)
• M13: 24,374,579 km (0.05 R)
• M14: 24,652,682 km (0.09 R)
• M15: 34,128,660 km (0.088 R)
• M16: 34,709,997 km (0.074 R)
• M17: 36,615,276 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.1

Radius: 3.2

Gravity: 68.66 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.88 AU - 8.16 AU

Year: 15405 Days

Day: 21.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,492,740 km

• M1: 39,793 km (0.103 R)
• M2: 216,618 km (0.036 R)
• M3: 385,215 km (0.11 R)
• M4: 587,022 km (0.034 R)
• M5: 803,789 km (0.087 R)
• M6: 942,018 km (0.055 R)
• M7: 1,239,269 km (0.1 R)
• M8: 1,531,882 km (0.087 R)
• M9: 2,035,129 km (0.076 R)
• M10: 2,293,485 km (0.094 R)
• M11: 3,493,409 km (0.086 R)
• M12: 3,746,679 km (0.1 R)
• M13: 3,981,996 km (0.098 R)
• M14: 4,289,719 km (0.087 R)
• M15: 5,418,584 km (0.085 R)
• M16: 6,604,148 km (0.076 R)
• M17: 9,744,357 km (0.091 R)
• M18: 10,132,563 km (0.098 R)
• M19: 11,788,611 km (0.073 R)
• M20: 17,658,682 km (0.081 R)
• M21: 18,069,029 km (0.115 R)
• M22: 21,213,128 km (0.098 R)
• M23: 21,397,881 km (0.116 R)
• M24: 21,864,178 km (0.089 R)
• M25: 25,319,739 km (0.051 R)
• M26: 27,448,965 km (0.118 R)
• M27: 32,181,045 km (0.072 R)
• M28: 34,292,769 km (0.077 R)
• M29: 36,494,999 km (0.072 R)
• M30: 39,482,468 km (0.092 R)
• M31: 40,607,893 km (0.077 R)
• M32: 48,130,871 km (0.078 R)
• M33: 50,392,342 km (0.11 R)
• M34: 51,051,321 km (0.095 R)
• M35: 56,001,065 km (0.058 R)
• M36: 60,702,328 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 13,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit