🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.7

Radius: 10.3

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 5.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,778,078 km

• M1: 128,205 km (0.097 R)
• M2: 561,740 km (0.034 R)
• M3: 952,490 km (0.041 R)
• M4: 1,560,755 km (0.083 R)
• M5: 1,913,806 km (0.105 R)
• M6: 2,284,659 km (0.064 R)
• M7: 2,996,296 km (0.102 R)
• M8: 3,368,944 km (0.039 R)
• M9: 4,140,271 km (0.093 R)
• M10: 4,796,557 km (0.107 R)
• M11: 5,245,051 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 10.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.7 AU - 0.78 AU

Year: 424 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,778,078 km

• M1: 135,536 km (0.092 R)
• M2: 481,107 km (0.111 R)
• M3: 823,686 km (0.087 R)
• M4: 1,340,397 km (0.107 R)
• M5: 1,689,409 km (0.116 R)
• M6: 2,227,961 km (0.046 R)
• M7: 2,665,086 km (0.114 R)
• M8: 3,226,527 km (0.098 R)
• M9: 3,566,114 km (0.083 R)
• M10: 3,929,936 km (0.077 R)
• M11: 4,444,104 km (0.118 R)
• M12: 5,141,978 km (0.092 R)
• M13: 5,591,520 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 14.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.81 AU - 0.85 AU

Year: 504 Days

Day: 14.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,778,078 km

• M1: 175,329 km (0.103 R)
• M2: 623,374 km (0.07 R)
• M3: 1,105,079 km (0.108 R)
• M4: 1,919,490 km (0.073 R)
• M5: 2,541,219 km (0.054 R)
• M6: 3,212,465 km (0.07 R)
• M7: 4,041,386 km (0.099 R)
• M8: 4,574,553 km (0.116 R)
• M9: 5,352,911 km (0.117 R)
• M10: 5,854,213 km (0.085 R)
• M11: 6,597,266 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 9.8

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.1 AU - 1.76 AU

Year: 1140 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,778,078 km

• M1: 122,072 km (0.104 R)
• M2: 582,085 km (0.031 R)
• M3: 990,039 km (0.072 R)
• M4: 1,674,898 km (0.065 R)
• M5: 2,387,133 km (0.069 R)
• M6: 2,787,607 km (0.094 R)
• M7: 3,631,339 km (0.06 R)
• M8: 5,263,601 km (0.043 R)
• M9: 5,587,331 km (0.077 R)
• M10: 5,989,151 km (0.064 R)
• M11: 6,850,984 km (0.063 R)
• M12: 7,164,092 km (0.096 R)
• M13: 7,664,497 km (0.046 R)
• M14: 8,134,683 km (0.116 R)
• M15: 8,679,668 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.6

Radius: 11.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.42 AU - 2.84 AU

Year: 2844 Days

Day: 5.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,778,078 km

• M1: 139,276 km (0.078 R)
• M2: 534,663 km (0.115 R)
• M3: 1,007,093 km (0.108 R)
• M4: 1,355,955 km (0.109 R)
• M5: 1,726,060 km (0.102 R)
• M6: 2,141,045 km (0.093 R)
• M7: 2,789,402 km (0.092 R)
• M8: 3,144,996 km (0.082 R)
• M9: 4,399,225 km (0.047 R)
• M10: 5,472,141 km (0.071 R)
• M11: 6,131,119 km (0.119 R)
• M12: 7,894,579 km (0.116 R)
• M13: 9,670,754 km (0.059 R)
• M14: 11,250,508 km (0.102 R)
• M15: 11,623,755 km (0.106 R)
• M16: 12,277,348 km (0.066 R)
• M17: 13,406,961 km (0.101 R)
• M18: 14,648,773 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 10.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.31 AU - 5.19 AU

Year: 5843 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,778,078 km

• M1: 135,536 km (0.094 R)
• M2: 1,130,362 km (0.096 R)
• M3: 1,615,507 km (0.044 R)
• M4: 2,123,542 km (0.117 R)
• M5: 2,604,798 km (0.094 R)
• M6: 3,643,606 km (0.12 R)
• M7: 4,045,575 km (0.059 R)
• M8: 7,051,296 km (0.037 R)
• M9: 8,235,363 km (0.076 R)
• M10: 10,907,779 km (0.09 R)
• M11: 14,788,498 km (0.109 R)
• M12: 16,719,058 km (0.083 R)
• M13: 18,441,528 km (0.12 R)
• M14: 19,953,962 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 9.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.64 AU - 5.5 AU

Year: 6515 Days

Day: 12.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,778,078 km

• M1: 113,246 km (0.117 R)
• M2: 398,080 km (0.042 R)
• M3: 725,101 km (0.055 R)
• M4: 1,015,919 km (0.115 R)
• M5: 2,018,374 km (0.1 R)
• M6: 2,711,761 km (0.062 R)
• M7: 4,331,158 km (0.085 R)
• M8: 4,832,909 km (0.031 R)
• M9: 5,727,205 km (0.085 R)
• M10: 8,660,670 km (0.109 R)
• M11: 9,379,936 km (0.044 R)
• M12: 10,303,254 km (0.086 R)
• M13: 10,723,175 km (0.106 R)
• M14: 12,565,174 km (0.038 R)
• M15: 13,536,363 km (0.113 R)
• M16: 15,737,397 km (0.064 R)
• M17: 16,407,745 km (0.09 R)
• M18: 18,349,376 km (0.102 R)
• M19: 23,610,733 km (0.101 R)
• M20: 25,162,063 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 13.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.83 AU - 5.35 AU

Year: 7658 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,778,078 km

• M1: 173,234 km (0.108 R)
• M2: 716,424 km (0.077 R)
• M3: 1,213,538 km (0.103 R)
• M4: 1,887,925 km (0.117 R)
• M5: 2,347,639 km (0.059 R)
• M6: 3,191,521 km (0.073 R)
• M7: 3,708,681 km (0.093 R)
• M8: 4,152,238 km (0.088 R)
• M9: 5,928,414 km (0.104 R)
• M10: 7,965,039 km (0.049 R)
• M11: 8,666,653 km (0.109 R)
• M12: 11,122,302 km (0.05 R)
• M13: 12,159,465 km (0.094 R)
• M14: 12,867,661 km (0.115 R)
• M15: 13,430,897 km (0.072 R)
• M16: 14,667,473 km (0.09 R)
• M17: 21,148,352 km (0.091 R)
• M18: 22,495,331 km (0.106 R)
• M19: 23,396,808 km (0.077 R)
• M20: 24,152,277 km (0.044 R)
• M21: 25,097,586 km (0.111 R)
• M22: 26,246,498 km (0.12 R)
• M23: 29,805,880 km (0.053 R)
• M24: 30,993,687 km (0.089 R)
• M25: 31,497,832 km (0.071 R)
• M26: 33,675,229 km (0.115 R)
• M27: 37,183,748 km (0.116 R)
• M28: 39,143,480 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.4

Radius: 4.4

Gravity: 18.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.16 AU - 10.34 AU

Year: 17260 Days

Day: 20.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 154.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,778,078 km

• M1: 54,902 km (0.062 R)
• M2: 220,956 km (0.1 R)
• M3: 500,106 km (0.118 R)
• M4: 732,132 km (0.098 R)
• M5: 1,225,207 km (0.065 R)
• M6: 1,729,501 km (0.038 R)
• M7: 2,360,954 km (0.106 R)
• M8: 2,784,465 km (0.112 R)
• M9: 3,085,755 km (0.04 R)
• M10: 3,231,912 km (0.1 R)
• M11: 3,564,768 km (0.11 R)
• M12: 3,920,063 km (0.115 R)
• M13: 4,268,626 km (0.093 R)
• M14: 4,927,903 km (0.119 R)
• M15: 5,909,265 km (0.114 R)
• M16: 11,030,449 km (0.076 R)
• M17: 13,778,413 km (0.118 R)
• M18: 15,486,222 km (0.112 R)
• M19: 20,066,011 km (0.083 R)
• M20: 22,161,728 km (0.065 R)
• M21: 23,542,965 km (0.036 R)
• M22: 24,206,880 km (0.045 R)
• M23: 27,090,230 km (0.116 R)
• M24: 42,705,854 km (0.096 R)
• M25: 49,931,431 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.3

Radius: 7.8

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.61 AU - 12.25 AU

Year: 20867 Days

Day: 15.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,778,078 km

• M1: 97,089 km (0.114 R)
• M2: 474,225 km (0.113 R)
• M3: 804,687 km (0.11 R)
• M4: 1,825,992 km (0.065 R)
• M5: 2,942,141 km (0.052 R)
• M6: 3,816,990 km (0.089 R)
• M7: 4,522,344 km (0.061 R)
• M8: 4,889,158 km (0.081 R)
• M9: 5,569,379 km (0.068 R)
• M10: 7,706,684 km (0.096 R)
• M11: 8,230,725 km (0.059 R)
• M12: 8,880,429 km (0.108 R)
• M13: 9,297,059 km (0.081 R)
• M14: 12,138,670 km (0.059 R)
• M15: 12,393,436 km (0.1 R)
• M16: 12,651,941 km (0.084 R)
• M17: 16,347,457 km (0.109 R)
• M18: 17,212,282 km (0.086 R)
• M19: 20,434,770 km (0.05 R)
• M20: 21,161,068 km (0.107 R)
• M21: 22,282,603 km (0.071 R)
• M22: 25,570,465 km (0.069 R)
• M23: 26,950,056 km (0.089 R)
• M24: 29,741,253 km (0.11 R)
• M25: 30,555,963 km (0.086 R)
• M26: 31,385,633 km (0.105 R)
• M27: 31,745,715 km (0.044 R)
• M28: 33,213,719 km (0.067 R)
• M29: 33,462,650 km (0.107 R)
• M30: 37,618,030 km (0.048 R)
• M31: 38,297,055 km (0.087 R)
• M32: 41,669,888 km (0.103 R)
• M33: 44,325,849 km (0.083 R)
• M34: 44,779,131 km (0.065 R)
• M35: 45,388,443 km (0.063 R)
• M36: 45,849,055 km (0.062 R)
• M37: 49,160,852 km (0.035 R)
• M38: 58,221,547 km (0.112 R)
• M39: 60,974,297 km (0.062 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: 457 - 16,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit