🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.1

Radius: 13.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.46 AU - 0.58 AU

Year: 254 Days

Day: 12.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 61.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 76,217,812 km

• M1: 170,392 km (0.103 R)
• M2: 696,827 km (0.11 R)
• M3: 1,361,939 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 14.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.56 AU - 0.66 AU

Year: 323 Days

Day: 6 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,217,812 km

• M1: 176,974 km (0.116 R)
• M2: 722,707 km (0.114 R)
• M3: 1,178,382 km (0.047 R)
• M4: 1,721,871 km (0.106 R)
• M5: 2,779,379 km (0.102 R)
• M6: 3,279,335 km (0.076 R)
• M7: 3,802,479 km (0.065 R)
• M8: 4,615,244 km (0.106 R)
• M9: 5,290,977 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.2

Radius: 8.7

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.7 AU - 0.82 AU

Year: 449 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,217,812 km

• M1: 108,309 km (0.067 R)
• M2: 403,765 km (0.109 R)
• M3: 874,699 km (0.09 R)
• M4: 1,183,918 km (0.116 R)
• M5: 1,678,787 km (0.071 R)
• M6: 2,296,327 km (0.036 R)
• M7: 2,658,055 km (0.104 R)
• M8: 3,104,605 km (0.093 R)
• M9: 3,548,312 km (0.07 R)
• M10: 4,293,160 km (0.077 R)
• M11: 4,765,590 km (0.083 R)
• M12: 6,355,067 km (0.096 R)
• M13: 6,726,967 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 11.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.28 AU - 1.52 AU

Year: 1124 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,217,812 km

• M1: 143,016 km (0.097 R)
• M2: 676,033 km (0.073 R)
• M3: 1,075,010 km (0.099 R)
• M4: 1,677,591 km (0.1 R)
• M5: 2,851,485 km (0.119 R)
• M6: 4,340,582 km (0.108 R)
• M7: 7,192,666 km (0.068 R)
• M8: 8,071,852 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.9

Radius: 9.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.91 AU - 3.11 AU

Year: 2697 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,217,812 km

• M1: 121,922 km (0.108 R)
• M2: 511,176 km (0.118 R)
• M3: 818,300 km (0.068 R)
• M4: 1,510,340 km (0.076 R)
• M5: 2,238,433 km (0.067 R)
• M6: 2,699,793 km (0.094 R)
• M7: 3,517,196 km (0.078 R)
• M8: 4,458,914 km (0.117 R)
• M9: 4,773,818 km (0.108 R)
• M10: 5,485,604 km (0.1 R)
• M11: 7,119,662 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.3

Radius: 13.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.01 AU - 3.15 AU

Year: 2811 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,217,812 km

• M1: 165,605 km (0.08 R)
• M2: 658,530 km (0.077 R)
• M3: 1,128,417 km (0.069 R)
• M4: 1,594,265 km (0.099 R)
• M5: 2,015,981 km (0.077 R)
• M6: 2,443,532 km (0.086 R)
• M7: 2,885,145 km (0.083 R)
• M8: 3,932,778 km (0.081 R)
• M9: 4,631,101 km (0.077 R)
• M10: 5,756,526 km (0.085 R)
• M11: 6,222,972 km (0.087 R)
• M12: 6,770,800 km (0.058 R)
• M13: 7,261,630 km (0.083 R)
• M14: 8,743,996 km (0.086 R)
• M15: 9,863,137 km (0.063 R)
• M16: 10,457,490 km (0.096 R)
• M17: 14,729,855 km (0.12 R)
• M18: 15,956,558 km (0.07 R)
• M19: 17,250,280 km (0.04 R)
• M20: 18,501,217 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.3

Radius: 13.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.39 AU - 4.03 AU

Year: 4847 Days

Day: 11 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,217,812 km

• M1: 172,486 km (0.086 R)
• M2: 680,820 km (0.094 R)
• M3: 1,182,870 km (0.099 R)
• M4: 2,250,700 km (0.065 R)
• M5: 2,982,533 km (0.12 R)
• M6: 3,962,399 km (0.111 R)
• M7: 4,558,995 km (0.086 R)
• M8: 5,377,146 km (0.086 R)
• M9: 5,859,001 km (0.102 R)
• M10: 6,609,084 km (0.11 R)
• M11: 8,428,045 km (0.047 R)
• M12: 9,047,081 km (0.104 R)
• M13: 9,801,652 km (0.108 R)
• M14: 11,475,952 km (0.117 R)
• M15: 13,508,089 km (0.05 R)
• M16: 13,950,749 km (0.08 R)
• M17: 15,867,697 km (0.051 R)
• M18: 17,533,768 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.9

Radius: 5

Gravity: 35.92 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.21 AU - 7.83 AU

Year: 12615 Days

Day: 22.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,217,812 km

• M1: 68,516 km (0.108 R)
• M2: 294,409 km (0.11 R)
• M3: 488,437 km (0.057 R)
• M4: 722,558 km (0.112 R)
• M5: 1,112,859 km (0.036 R)
• M6: 1,508,545 km (0.084 R)
• M7: 1,956,441 km (0.042 R)
• M8: 2,143,139 km (0.087 R)
• M9: 2,424,832 km (0.098 R)
• M10: 2,964,581 km (0.083 R)
• M11: 3,776,000 km (0.059 R)
• M12: 4,096,588 km (0.12 R)
• M13: 5,029,181 km (0.093 R)
• M14: 8,274,109 km (0.118 R)
• M15: 8,665,157 km (0.087 R)
• M16: 8,865,170 km (0.097 R)
• M17: 9,068,324 km (0.109 R)
• M18: 9,642,929 km (0.084 R)
• M19: 10,241,620 km (0.094 R)
• M20: 11,097,469 km (0.084 R)
• M21: 11,754,503 km (0.081 R)
• M22: 12,248,625 km (0.088 R)
• M23: 14,018,068 km (0.061 R)
• M24: 14,433,352 km (0.115 R)
• M25: 21,868,067 km (0.096 R)
• M26: 22,146,020 km (0.102 R)
• M27: 23,766,015 km (0.116 R)
• M28: 30,457,827 km (0.066 R)
• M29: 31,037,220 km (0.074 R)
• M30: 32,457,502 km (0.056 R)
• M31: 34,542,896 km (0.112 R)
• M32: 35,299,712 km (0.105 R)
• M33: 42,185,104 km (0.066 R)
• M34: 45,112,584 km (0.052 R)
• M35: 46,625,916 km (0.074 R)
• M36: 49,275,743 km (0.092 R)
• M37: 52,354,168 km (0.049 R)
• M38: 52,685,378 km (0.05 R)
• M39: 53,519,835 km (0.102 R)
• M40: 53,687,684 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.6

Radius: 7.6

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.37 AU - 9.81 AU

Year: 15607 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,217,812 km

• M1: 128,505 km (0.093 R)
• M2: 1,756,129 km (0.099 R)
• M3: 2,040,365 km (0.117 R)
• M4: 2,417,950 km (0.089 R)
• M5: 3,133,926 km (0.078 R)
• M6: 4,043,182 km (0.107 R)
• M7: 5,971,947 km (0.093 R)
• M8: 9,051,419 km (0.095 R)
• M9: 10,409,020 km (0.116 R)
• M10: 13,387,364 km (0.103 R)
• M11: 15,887,294 km (0.06 R)
• M12: 18,766,754 km (0.118 R)
• M13: 19,798,979 km (0.042 R)
• M14: 20,507,923 km (0.054 R)
• M15: 22,929,165 km (0.11 R)
• M16: 26,908,319 km (0.09 R)
• M17: 31,087,485 km (0.105 R)
• M18: 31,325,046 km (0.06 R)
• M19: 33,392,938 km (0.109 R)
• M20: 36,464,631 km (0.088 R)
• M21: 49,984,987 km (0.111 R)
• M22: 52,465,320 km (0.052 R)
• M23: 57,491,060 km (0.091 R)
• M24: 62,450,080 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.3

Radius: 4.7

Gravity: 26.86 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.68 AU - 11.38 AU

Year: 21545 Days

Day: 15.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,217,812 km

• M1: 59,091 km (0.089 R)
• M2: 233,672 km (0.068 R)
• M3: 406,757 km (0.111 R)
• M4: 623,225 km (0.087 R)
• M5: 836,701 km (0.089 R)
• M6: 1,124,527 km (0.1 R)
• M7: 1,397,095 km (0.115 R)
• M8: 1,802,954 km (0.059 R)
• M9: 3,078,275 km (0.052 R)
• M10: 4,646,061 km (0.058 R)
• M11: 7,617,524 km (0.026 R)
• M12: 10,280,366 km (0.109 R)
• M13: 10,953,406 km (0.094 R)
• M14: 12,591,802 km (0.047 R)
• M15: 12,937,972 km (0.063 R)
• M16: 13,721,865 km (0.091 R)
• M17: 14,162,580 km (0.101 R)
• M18: 14,386,528 km (0.103 R)
• M19: 14,918,049 km (0.078 R)
• M20: 15,620,561 km (0.117 R)
• M21: 16,673,879 km (0.109 R)
• M22: 20,116,874 km (0.088 R)
• M23: 20,685,496 km (0.097 R)
• M24: 20,877,280 km (0.078 R)
• M25: 36,899,512 km (0.113 R)
• M26: 46,664,961 km (0.095 R)
• M27: 52,669,820 km (0.078 R)
• M28: 54,111,195 km (0.088 R)
• M29: 55,393,698 km (0.109 R)
• M30: 57,829,151 km (0.087 R)
• M31: 68,924,077 km (0.027 R)
• M32: 70,647,445 km (0.081 R)
• M33: 71,082,775 km (0.113 R)
• M34: 74,179,899 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 11,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit