🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.7

Radius: 10.1

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.04 AU - 1.2 AU

Year: 804 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,111,855 km

• M1: 125,812 km (0.066 R)
• M2: 463,903 km (0.086 R)
• M3: 900,130 km (0.097 R)
• M4: 1,317,508 km (0.11 R)
• M5: 2,417,053 km (0.111 R)
• M6: 2,908,183 km (0.076 R)
• M7: 3,267,217 km (0.062 R)
• M8: 3,761,788 km (0.092 R)
• M9: 4,406,704 km (0.11 R)
• M10: 5,180,724 km (0.097 R)
• M11: 5,570,426 km (0.076 R)
• M12: 7,547,961 km (0.07 R)
• M13: 8,178,815 km (0.05 R)
• M14: 8,600,681 km (0.1 R)
• M15: 8,981,707 km (0.109 R)
• M16: 9,661,330 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 10.6

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.04 AU - 1.6 AU

Year: 1029 Days

Day: 12.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,111,855 km

• M1: 137,630 km (0.075 R)
• M2: 658,081 km (0.084 R)
• M3: 1,209,050 km (0.101 R)
• M4: 1,716,636 km (0.044 R)
• M5: 2,442,634 km (0.081 R)
• M6: 3,150,681 km (0.118 R)
• M7: 3,598,427 km (0.054 R)
• M8: 4,188,441 km (0.06 R)
• M9: 4,953,784 km (0.119 R)
• M10: 7,263,126 km (0.049 R)
• M11: 7,892,036 km (0.028 R)
• M12: 8,945,205 km (0.091 R)
• M13: 9,757,372 km (0.103 R)
• M14: 10,304,900 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.4

Radius: 12.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.68 AU - 3.38 AU

Year: 3577 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,111,855 km

• M1: 154,235 km (0.084 R)
• M2: 645,365 km (0.068 R)
• M3: 1,119,291 km (0.108 R)
• M4: 1,517,521 km (0.077 R)
• M5: 2,121,447 km (0.05 R)
• M6: 3,420,256 km (0.064 R)
• M7: 4,182,607 km (0.082 R)
• M8: 4,572,908 km (0.09 R)
• M9: 5,146,616 km (0.072 R)
• M10: 6,253,341 km (0.072 R)
• M11: 8,092,347 km (0.025 R)
• M12: 8,701,959 km (0.084 R)
• M13: 10,379,100 km (0.11 R)
• M14: 10,830,138 km (0.109 R)
• M15: 12,015,252 km (0.112 R)
• M16: 13,154,290 km (0.095 R)
• M17: 13,682,969 km (0.078 R)
• M18: 15,067,198 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.6

Radius: 10.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.38 AU - 3.38 AU

Year: 4215 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,111,855 km

• M1: 126,859 km (0.096 R)
• M2: 452,384 km (0.064 R)
• M3: 884,123 km (0.088 R)
• M4: 1,329,327 km (0.06 R)
• M5: 1,809,835 km (0.082 R)
• M6: 2,650,425 km (0.057 R)
• M7: 2,982,832 km (0.064 R)
• M8: 3,418,760 km (0.056 R)
• M9: 3,773,307 km (0.108 R)
• M10: 4,510,675 km (0.116 R)
• M11: 5,367,123 km (0.071 R)
• M12: 6,927,429 km (0.08 R)
• M13: 12,319,235 km (0.05 R)
• M14: 13,015,314 km (0.07 R)
• M15: 14,947,969 km (0.092 R)
• M16: 18,522,610 km (0.102 R)
• M17: 19,128,481 km (0.116 R)
• M18: 20,061,673 km (0.076 R)
• M19: 21,485,097 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 10.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.83 AU - 4.01 AU

Year: 4290 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,111,855 km

• M1: 126,859 km (0.039 R)
• M2: 524,939 km (0.107 R)
• M3: 968,347 km (0.113 R)
• M4: 1,319,752 km (0.108 R)
• M5: 1,657,844 km (0.03 R)
• M6: 2,185,326 km (0.116 R)
• M7: 3,022,625 km (0.11 R)
• M8: 3,351,890 km (0.084 R)
• M9: 3,835,989 km (0.077 R)
• M10: 4,199,811 km (0.102 R)
• M11: 5,157,686 km (0.074 R)
• M12: 6,379,003 km (0.071 R)
• M13: 6,760,926 km (0.101 R)
• M14: 7,259,985 km (0.051 R)
• M15: 7,963,394 km (0.083 R)
• M16: 9,023,744 km (0.059 R)
• M17: 9,343,434 km (0.053 R)
• M18: 11,284,766 km (0.066 R)
• M19: 12,083,768 km (0.12 R)
• M20: 12,423,505 km (0.079 R)
• M21: 13,122,127 km (0.111 R)
• M22: 14,872,721 km (0.12 R)
• M23: 16,416,721 km (0.079 R)
• M24: 21,687,353 km (0.116 R)
• M25: 26,493,783 km (0.105 R)
• M26: 27,068,089 km (0.117 R)
• M27: 28,754,955 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.6

Radius: 11.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.54 AU - 5.54 AU

Year: 7674 Days

Day: 13.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,111,855 km

• M1: 139,575 km (0.032 R)
• M2: 714,031 km (0.115 R)
• M3: 1,343,987 km (0.113 R)
• M4: 1,741,319 km (0.085 R)
• M5: 2,102,897 km (0.094 R)
• M6: 2,960,691 km (0.066 R)
• M7: 4,736,717 km (0.116 R)
• M8: 5,206,006 km (0.114 R)
• M9: 6,802,664 km (0.071 R)
• M10: 7,634,727 km (0.074 R)
• M11: 8,661,118 km (0.091 R)
• M12: 9,592,365 km (0.075 R)
• M13: 11,291,198 km (0.114 R)
• M14: 11,811,500 km (0.096 R)
• M15: 12,566,520 km (0.116 R)
• M16: 13,468,745 km (0.025 R)
• M17: 15,213,056 km (0.106 R)
• M18: 19,291,992 km (0.12 R)
• M19: 20,187,335 km (0.054 R)
• M20: 22,383,881 km (0.11 R)
• M21: 24,909,541 km (0.039 R)
• M22: 28,373,779 km (0.047 R)
• M23: 29,239,053 km (0.097 R)
• M24: 30,519,761 km (0.074 R)
• M25: 31,837,568 km (0.055 R)
• M26: 34,369,512 km (0.074 R)
• M27: 38,882,880 km (0.12 R)
• M28: 39,592,273 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.5

Radius: 5.7

Gravity: 24.08 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.53 AU - 8.91 AU

Year: 15984 Days

Day: 17.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,111,855 km

• M1: 70,909 km (0.103 R)
• M2: 555,158 km (0.092 R)
• M3: 1,052,720 km (0.11 R)
• M4: 1,525,300 km (0.11 R)
• M5: 2,529,999 km (0.098 R)
• M6: 3,132,430 km (0.12 R)
• M7: 4,288,223 km (0.051 R)
• M8: 6,182,730 km (0.045 R)
• M9: 6,602,203 km (0.095 R)
• M10: 7,175,462 km (0.087 R)
• M11: 7,497,696 km (0.063 R)
• M12: 8,727,689 km (0.106 R)
• M13: 9,094,952 km (0.059 R)
• M14: 9,916,544 km (0.098 R)
• M15: 11,270,704 km (0.074 R)
• M16: 11,769,313 km (0.109 R)
• M17: 12,282,434 km (0.096 R)
• M18: 13,080,090 km (0.111 R)
• M19: 13,491,634 km (0.111 R)
• M20: 15,679,802 km (0.08 R)
• M21: 15,910,781 km (0.108 R)
• M22: 20,194,815 km (0.117 R)
• M23: 26,582,195 km (0.119 R)
• M24: 30,706,908 km (0.061 R)
• M25: 33,809,568 km (0.112 R)
• M26: 46,704,156 km (0.096 R)
• M27: 52,664,584 km (0.06 R)
• M28: 55,113,202 km (0.112 R)
• M29: 56,726,765 km (0.081 R)
• M30: 57,271,450 km (0.078 R)
• M31: 58,187,139 km (0.083 R)
• M32: 60,424,525 km (0.073 R)
• M33: 62,525,328 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.2

Radius: 5.6

Gravity: 30.81 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.45 AU - 10.59 AU

Year: 19923 Days

Day: 24.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 85,111,855 km

• M1: 82,279 km (0.1 R)
• M2: 297,999 km (0.111 R)
• M3: 634,744 km (0.101 R)
• M4: 1,145,321 km (0.1 R)
• M5: 1,366,726 km (0.09 R)
• M6: 1,581,698 km (0.099 R)
• M7: 2,365,741 km (0.096 R)
• M8: 2,753,050 km (0.082 R)
• M9: 3,842,272 km (0.065 R)
• M10: 4,070,558 km (0.091 R)
• M11: 4,960,665 km (0.103 R)
• M12: 5,231,587 km (0.099 R)
• M13: 5,718,977 km (0.07 R)
• M14: 6,280,717 km (0.063 R)
• M15: 6,831,088 km (0.1 R)
• M16: 7,463,139 km (0.075 R)
• M17: 8,675,480 km (0.099 R)
• M18: 9,126,368 km (0.113 R)
• M19: 10,699,988 km (0.073 R)
• M20: 11,821,523 km (0.081 R)
• M21: 14,218,530 km (0.052 R)
• M22: 15,653,622 km (0.065 R)
• M23: 16,921,165 km (0.12 R)
• M24: 19,372,625 km (0.114 R)
• M25: 25,191,833 km (0.087 R)
• M26: 25,992,331 km (0.099 R)
• M27: 29,364,267 km (0.108 R)
• M28: 29,868,711 km (0.11 R)
• M29: 33,699,314 km (0.074 R)
• M30: 38,743,156 km (0.098 R)
• M31: 42,799,951 km (0.104 R)
• M32: 50,294,655 km (0.112 R)
• M33: 52,480,728 km (0.119 R)
• M34: 55,877,348 km (0.094 R)
• M35: 57,629,289 km (0.06 R)
• M36: 62,065,464 km (0.09 R)
• M37: 68,033,521 km (0.041 R)
• M38: 70,704,292 km (0.089 R)
• M39: 75,309,513 km (0.099 R)
• M40: 78,166,533 km (0.222 R)
• M41: 82,836,380 km (0.028 R)
• M42: 83,590,204 km (0.115 R)
• M43: 85,111,913 km (0.163 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: 467 - 14,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit