🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.1

Radius: 8.1

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.78 AU - 0.84 AU

Year: 503 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,509,510 km

• M1: 100,679 km (0.083 R)
• M2: 375,491 km (0.076 R)
• M3: 1,038,508 km (0.111 R)
• M4: 1,400,535 km (0.093 R)
• M5: 1,665,623 km (0.089 R)
• M6: 1,940,434 km (0.061 R)
• M7: 2,381,897 km (0.109 R)
• M8: 2,963,983 km (0.045 R)
• M9: 3,587,955 km (0.094 R)
• M10: 3,866,207 km (0.107 R)
• M11: 4,395,036 km (0.103 R)
• M12: 5,431,300 km (0.056 R)
• M13: 5,748,149 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 9

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.84 AU - 1.32 AU

Year: 775 Days

Day: 13.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,509,510 km

• M1: 112,348 km (0.115 R)
• M2: 407,355 km (0.075 R)
• M3: 841,338 km (0.116 R)
• M4: 1,273,676 km (0.116 R)
• M5: 1,680,433 km (0.117 R)
• M6: 2,162,288 km (0.075 R)
• M7: 2,649,827 km (0.117 R)
• M8: 3,088,747 km (0.106 R)
• M9: 3,693,721 km (0.115 R)
• M10: 3,985,138 km (0.099 R)
• M11: 4,292,113 km (0.093 R)
• M12: 4,580,088 km (0.097 R)
• M13: 4,972,035 km (0.099 R)
• M14: 6,479,383 km (0.099 R)
• M15: 6,905,139 km (0.114 R)
• M16: 8,013,958 km (0.05 R)
• M17: 8,504,938 km (0.112 R)
• M18: 9,098,542 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 9.4

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.17 AU - 1.35 AU

Year: 976 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,509,510 km

• M1: 116,986 km (0.035 R)
• M2: 414,685 km (0.119 R)
• M3: 944,411 km (0.111 R)
• M4: 1,368,222 km (0.06 R)
• M5: 1,757,775 km (0.112 R)
• M6: 2,074,922 km (0.117 R)
• M7: 2,788,804 km (0.062 R)
• M8: 3,265,572 km (0.111 R)
• M9: 3,905,402 km (0.042 R)
• M10: 5,142,277 km (0.113 R)
• M11: 5,944,870 km (0.066 R)
• M12: 6,921,744 km (0.062 R)
• M13: 8,938,772 km (0.053 R)
• M14: 9,739,420 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.1

Radius: 9.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.24 AU - 1.9 AU

Year: 1358 Days

Day: 11.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,509,510 km

• M1: 120,576 km (0.096 R)
• M2: 447,447 km (0.062 R)
• M3: 971,489 km (0.094 R)
• M4: 1,329,476 km (0.068 R)
• M5: 1,802,804 km (0.069 R)
• M6: 2,544,660 km (0.091 R)
• M7: 2,908,931 km (0.064 R)
• M8: 5,418,884 km (0.072 R)
• M9: 5,818,609 km (0.044 R)
• M10: 6,881,652 km (0.118 R)
• M11: 7,255,497 km (0.088 R)
• M12: 7,642,806 km (0.042 R)
• M13: 8,043,878 km (0.076 R)
• M14: 8,943,110 km (0.044 R)
• M15: 9,247,991 km (0.05 R)
• M16: 9,645,921 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912

Radius: 11.1

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.3 AU - 2.64 AU

Year: 2680 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,509,510 km

• M1: 138,079 km (0.099 R)
• M2: 503,397 km (0.099 R)
• M3: 920,625 km (0.097 R)
• M4: 1,380,938 km (0.05 R)
• M5: 2,257,881 km (0.076 R)
• M6: 2,779,528 km (0.041 R)
• M7: 3,182,695 km (0.083 R)
• M8: 4,387,257 km (0.108 R)
• M9: 5,328,527 km (0.086 R)
• M10: 5,900,888 km (0.096 R)
• M11: 7,199,547 km (0.066 R)
• M12: 8,065,270 km (0.109 R)
• M13: 10,393,761 km (0.1 R)
• M14: 11,626,597 km (0.096 R)
• M15: 12,862,724 km (0.065 R)
• M16: 16,986,389 km (0.102 R)
• M17: 17,486,794 km (0.068 R)
• M18: 19,708,921 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 10.7

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.26 AU - 4.86 AU

Year: 6721 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,509,510 km

• M1: 133,142 km (0.117 R)
• M2: 486,043 km (0.106 R)
• M3: 896,091 km (0.094 R)
• M4: 1,409,362 km (0.075 R)
• M5: 3,391,085 km (0.102 R)
• M6: 4,984,302 km (0.099 R)
• M7: 6,106,884 km (0.067 R)
• M8: 6,745,218 km (0.115 R)
• M9: 7,614,532 km (0.118 R)
• M10: 8,434,926 km (0.103 R)
• M11: 8,845,872 km (0.062 R)
• M12: 9,227,047 km (0.117 R)
• M13: 10,577,766 km (0.119 R)
• M14: 11,202,487 km (0.098 R)
• M15: 13,006,787 km (0.109 R)
• M16: 13,723,809 km (0.101 R)
• M17: 17,445,505 km (0.061 R)
• M18: 19,289,149 km (0.063 R)
• M19: 21,183,956 km (0.077 R)
• M20: 23,763,771 km (0.027 R)
• M21: 25,171,338 km (0.095 R)
• M22: 25,510,326 km (0.118 R)
• M23: 26,024,794 km (0.12 R)
• M24: 27,251,945 km (0.117 R)
• M25: 28,425,690 km (0.066 R)
• M26: 30,201,267 km (0.078 R)
• M27: 31,262,365 km (0.031 R)
• M28: 31,851,481 km (0.034 R)
• M29: 33,052,154 km (0.103 R)
• M30: 35,543,407 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 14.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.92 AU - 5.38 AU

Year: 6921 Days

Day: 12.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,509,510 km

• M1: 185,053 km (0.086 R)
• M2: 809,923 km (0.11 R)
• M3: 1,615,657 km (0.094 R)
• M4: 2,248,306 km (0.037 R)
• M5: 3,479,198 km (0.034 R)
• M6: 9,880,341 km (0.037 R)
• M7: 14,971,755 km (0.114 R)
• M8: 15,572,839 km (0.062 R)
• M9: 16,823,178 km (0.083 R)
• M10: 18,016,969 km (0.08 R)
• M11: 18,948,814 km (0.079 R)
• M12: 20,241,190 km (0.101 R)
• M13: 22,429,957 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.5

Radius: 6.5

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.44 AU - 6.6 AU

Year: 10195 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,509,510 km

• M1: 80,783 km (0.08 R)
• M2: 291,865 km (0.055 R)
• M3: 501,302 km (0.054 R)
• M4: 1,282,503 km (0.099 R)
• M5: 1,660,237 km (0.061 R)
• M6: 1,882,988 km (0.106 R)
• M7: 2,173,507 km (0.05 R)
• M8: 2,619,309 km (0.05 R)
• M9: 2,844,753 km (0.052 R)
• M10: 3,186,584 km (0.106 R)
• M11: 3,623,410 km (0.109 R)
• M12: 4,562,585 km (0.105 R)
• M13: 5,322,243 km (0.092 R)
• M14: 5,716,583 km (0.116 R)
• M15: 7,234,104 km (0.087 R)
• M16: 7,604,658 km (0.107 R)
• M17: 10,562,657 km (0.055 R)
• M18: 11,883,756 km (0.117 R)
• M19: 12,347,509 km (0.088 R)
• M20: 14,266,700 km (0.097 R)
• M21: 14,849,533 km (0.077 R)
• M22: 15,630,883 km (0.105 R)
• M23: 16,439,310 km (0.106 R)
• M24: 17,015,112 km (0.082 R)
• M25: 18,479,227 km (0.114 R)
• M26: 19,737,943 km (0.025 R)
• M27: 22,659,589 km (0.117 R)
• M28: 23,133,216 km (0.065 R)
• M29: 23,613,575 km (0.093 R)
• M30: 28,330,097 km (0.055 R)
• M31: 30,571,671 km (0.103 R)
• M32: 33,332,949 km (0.069 R)
• M33: 34,048,475 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.9

Radius: 4.3

Gravity: 25.63 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.43 AU - 6.89 AU

Year: 11864 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 47,509,510 km

• M1: 53,556 km (0.081 R)
• M2: 213,626 km (0.061 R)
• M3: 373,845 km (0.067 R)
• M4: 887,564 km (0.104 R)
• M5: 1,152,053 km (0.087 R)
• M6: 2,053,530 km (0.106 R)
• M7: 2,399,251 km (0.099 R)
• M8: 2,978,194 km (0.089 R)
• M9: 3,722,294 km (0.113 R)
• M10: 4,179,166 km (0.095 R)
• M11: 4,435,876 km (0.075 R)
• M12: 4,763,645 km (0.119 R)
• M13: 6,881,352 km (0.056 R)
• M14: 9,264,895 km (0.113 R)
• M15: 10,049,835 km (0.062 R)
• M16: 10,458,537 km (0.108 R)
• M17: 11,092,084 km (0.045 R)
• M18: 11,863,261 km (0.09 R)
• M19: 13,946,411 km (0.106 R)
• M20: 14,975,196 km (0.109 R)
• M21: 15,173,562 km (0.08 R)
• M22: 15,847,501 km (0.097 R)
• M23: 17,110,406 km (0.104 R)
• M24: 19,597,321 km (0.079 R)
• M25: 21,803,291 km (0.066 R)
• M26: 22,143,477 km (0.079 R)
• M27: 23,629,283 km (0.088 R)
• M28: 24,442,198 km (0.073 R)
• M29: 27,582,407 km (0.109 R)
• M30: 28,382,306 km (0.036 R)
• M31: 32,283,370 km (0.032 R)
• M32: 32,725,282 km (0.108 R)
• M33: 33,621,373 km (0.071 R)
• M34: 34,648,961 km (0.104 R)
• M35: 40,356,868 km (0.096 R)
• M36: 41,386,849 km (0.106 R)
• M37: 44,038,472 km (0.084 R)
• M38: 46,239,655 km (0.11 R)
• M39: 46,942,316 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 17,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit