🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

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: 690.6

Radius: 12.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.01 AU - 1.23 AU

Year: 765 Days

Day: 13.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,880,880 km

• M1: 160,519 km (0.108 R)
• M2: 630,705 km (0.112 R)
• M3: 1,032,076 km (0.088 R)
• M4: 1,942,528 km (0.118 R)
• M5: 2,881,554 km (0.106 R)
• M6: 3,360,866 km (0.107 R)
• M7: 3,790,960 km (0.08 R)
• M8: 4,305,277 km (0.119 R)
• M9: 4,935,234 km (0.099 R)
• M10: 5,456,582 km (0.053 R)
• M11: 5,935,445 km (0.07 R)
• M12: 6,421,489 km (0.054 R)
• M13: 7,683,646 km (0.096 R)
• M14: 8,336,491 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 8.4

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.1 AU - 1.6 AU

Year: 1013 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,880,880 km

• M1: 105,616 km (0.089 R)
• M2: 446,699 km (0.116 R)
• M3: 749,785 km (0.033 R)
• M4: 1,488,499 km (0.073 R)
• M5: 1,804,749 km (0.075 R)
• M6: 2,742,727 km (0.032 R)
• M7: 3,168,184 km (0.073 R)
• M8: 3,666,793 km (0.051 R)
• M9: 4,151,191 km (0.074 R)
• M10: 5,324,787 km (0.097 R)
• M11: 5,720,623 km (0.08 R)
• M12: 6,009,197 km (0.097 R)
• M13: 7,576,983 km (0.096 R)
• M14: 8,181,358 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 14

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.46 AU - 1.62 AU

Year: 1234 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,880,880 km

• M1: 174,132 km (0.101 R)
• M2: 762,351 km (0.119 R)
• M3: 1,934,749 km (0.071 R)
• M4: 2,676,456 km (0.085 R)
• M5: 3,149,334 km (0.048 R)
• M6: 3,601,569 km (0.086 R)
• M7: 6,556,875 km (0.045 R)
• M8: 7,325,957 km (0.055 R)
• M9: 10,692,209 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.3

Radius: 10.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.21 AU - 1.93 AU

Year: 1270 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,880,880 km

• M1: 129,402 km (0.107 R)
• M2: 600,336 km (0.03 R)
• M3: 1,204,263 km (0.101 R)
• M4: 1,751,342 km (0.106 R)
• M5: 2,106,338 km (0.097 R)
• M6: 2,659,252 km (0.046 R)
• M7: 3,193,915 km (0.118 R)
• M8: 4,085,368 km (0.114 R)
• M9: 4,914,888 km (0.106 R)
• M10: 5,722,717 km (0.055 R)
• M11: 7,556,188 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 14.7

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.85 AU - 2.19 AU

Year: 1854 Days

Day: 11.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,880,880 km

• M1: 183,108 km (0.104 R)
• M2: 836,551 km (0.12 R)
• M3: 1,402,330 km (0.086 R)
• M4: 1,956,591 km (0.091 R)
• M5: 2,507,560 km (0.093 R)
• M6: 3,099,518 km (0.088 R)
• M7: 4,347,913 km (0.094 R)
• M8: 6,182,132 km (0.095 R)
• M9: 8,900,924 km (0.085 R)
• M10: 9,460,719 km (0.107 R)
• M11: 11,396,964 km (0.114 R)
• M12: 12,826,821 km (0.08 R)
• M13: 13,714,684 km (0.025 R)
• M14: 15,707,328 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 8.5

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.02 AU - 2.34 AU

Year: 2078 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,880,880 km

• M1: 105,915 km (0.052 R)
• M2: 491,279 km (0.091 R)
• M3: 816,505 km (0.099 R)
• M4: 1,153,998 km (0.098 R)
• M5: 1,467,555 km (0.079 R)
• M6: 2,270,447 km (0.061 R)
• M7: 2,769,356 km (0.072 R)
• M8: 3,373,432 km (0.055 R)
• M9: 5,314,016 km (0.071 R)
• M10: 5,645,225 km (0.063 R)
• M11: 6,168,219 km (0.053 R)
• M12: 6,561,213 km (0.046 R)
• M13: 6,970,812 km (0.034 R)
• M14: 7,962,646 km (0.057 R)
• M15: 8,302,831 km (0.113 R)
• M16: 9,212,835 km (0.079 R)
• M17: 10,044,450 km (0.112 R)
• M18: 11,896,471 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 8.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.01 AU - 2.69 AU

Year: 2326 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,880,880 km

• M1: 109,506 km (0.088 R)
• M2: 443,857 km (0.093 R)
• M3: 784,342 km (0.112 R)
• M4: 1,062,743 km (0.098 R)
• M5: 1,699,581 km (0.09 R)
• M6: 2,098,110 km (0.086 R)
• M7: 2,744,223 km (0.109 R)
• M8: 3,598,278 km (0.09 R)
• M9: 3,919,315 km (0.111 R)
• M10: 4,658,328 km (0.105 R)
• M11: 5,421,876 km (0.081 R)
• M12: 6,533,837 km (0.092 R)
• M13: 7,039,477 km (0.114 R)
• M14: 9,047,679 km (0.068 R)
• M15: 9,644,126 km (0.085 R)
• M16: 10,034,128 km (0.106 R)
• M17: 11,125,743 km (0.051 R)
• M18: 11,482,684 km (0.115 R)
• M19: 12,560,985 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.4

Radius: 11.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.22 AU - 5.58 AU

Year: 8102 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,880,880 km

• M1: 147,952 km (0.111 R)
• M2: 742,454 km (0.09 R)
• M3: 1,294,171 km (0.115 R)
• M4: 1,744,610 km (0.034 R)
• M5: 2,436,800 km (0.074 R)
• M6: 2,847,446 km (0.11 R)
• M7: 4,049,465 km (0.108 R)
• M8: 4,777,857 km (0.108 R)
• M9: 5,481,565 km (0.093 R)
• M10: 6,313,329 km (0.118 R)
• M11: 7,293,345 km (0.091 R)
• M12: 10,165,175 km (0.118 R)
• M13: 12,201,352 km (0.098 R)
• M14: 13,923,223 km (0.096 R)
• M15: 14,815,575 km (0.083 R)
• M16: 15,578,823 km (0.106 R)
• M17: 16,656,377 km (0.058 R)
• M18: 17,601,685 km (0.085 R)
• M19: 18,644,981 km (0.055 R)
• M20: 21,193,680 km (0.085 R)
• M21: 23,892,426 km (0.112 R)
• M22: 24,338,526 km (0.119 R)
• M23: 24,714,466 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.1

Radius: 4.4

Gravity: 24.85 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.41 AU - 7.71 AU

Year: 12112 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,880,880 km

• M1: 58,343 km (0.039 R)
• M2: 234,869 km (0.056 R)
• M3: 430,094 km (0.079 R)
• M4: 765,941 km (0.064 R)
• M5: 1,060,350 km (0.067 R)
• M6: 1,246,449 km (0.059 R)
• M7: 1,972,149 km (0.102 R)
• M8: 2,145,981 km (0.112 R)
• M9: 3,363,259 km (0.092 R)
• M10: 3,561,327 km (0.095 R)
• M11: 4,230,478 km (0.101 R)
• M12: 4,700,664 km (0.08 R)
• M13: 5,402,727 km (0.081 R)
• M14: 5,571,623 km (0.072 R)
• M15: 5,849,127 km (0.112 R)
• M16: 6,933,113 km (0.058 R)
• M17: 8,232,670 km (0.062 R)
• M18: 8,456,618 km (0.08 R)
• M19: 10,241,171 km (0.113 R)
• M20: 10,500,125 km (0.075 R)
• M21: 11,468,771 km (0.097 R)
• M22: 12,378,326 km (0.092 R)
• M23: 13,273,969 km (0.118 R)
• M24: 14,084,340 km (0.102 R)
• M25: 14,469,256 km (0.11 R)
• M26: 17,435,931 km (0.068 R)
• M27: 18,029,236 km (0.053 R)
• M28: 29,648,204 km (0.099 R)
• M29: 29,962,958 km (0.098 R)
• M30: 31,898,904 km (0.077 R)
• M31: 33,347,759 km (0.041 R)
• M32: 35,898,851 km (0.054 R)
• M33: 36,737,048 km (0.076 R)
• M34: 45,848,456 km (0.073 R)
• M35: 46,128,952 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.9

Radius: 6.1

Gravity: 19.7 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.49 AU - 9.73 AU

Year: 17754 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 89.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,880,880 km

• M1: 75,846 km (0.116 R)
• M2: 422,464 km (0.088 R)
• M3: 616,493 km (0.117 R)
• M4: 861,534 km (0.083 R)
• M5: 1,397,095 km (0.064 R)
• M6: 1,773,333 km (0.1 R)
• M7: 3,315,538 km (0.116 R)
• M8: 5,061,046 km (0.117 R)
• M9: 5,395,696 km (0.113 R)
• M10: 5,626,974 km (0.098 R)
• M11: 6,109,427 km (0.108 R)
• M12: 6,318,416 km (0.065 R)
• M13: 7,156,613 km (0.058 R)
• M14: 7,918,066 km (0.049 R)
• M15: 9,769,938 km (0.101 R)
• M16: 10,705,523 km (0.12 R)
• M17: 11,571,994 km (0.087 R)
• M18: 11,892,582 km (0.111 R)
• M19: 12,219,004 km (0.084 R)
• M20: 14,377,702 km (0.116 R)
• M21: 16,374,235 km (0.085 R)
• M22: 18,202,022 km (0.081 R)
• M23: 18,461,424 km (0.064 R)
• M24: 19,433,511 km (0.031 R)
• M25: 21,383,370 km (0.11 R)
• M26: 23,973,508 km (0.063 R)
• M27: 29,172,931 km (0.066 R)
• M28: 31,596,566 km (0.047 R)
• M29: 36,018,979 km (0.077 R)
• M30: 39,666,923 km (0.086 R)
• M31: 42,939,675 km (0.112 R)
• M32: 44,328,991 km (0.107 R)
• M33: 52,073,523 km (0.072 R)
• M34: 53,122,802 km (0.055 R)
• M35: 55,444,412 km (0.086 R)
• M36: 62,616,882 km (0.096 R)
• M37: 65,813,190 km (0.104 R)
• M38: 71,236,561 km (0.084 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 12,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit