🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 11.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.75 AU - 1.11 AU

Year: 570 Days

Day: 7 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,073,223 km

• M1: 145,559 km (0.112 R)
• M2: 675,434 km (0.045 R)
• M3: 1,113,008 km (0.066 R)
• M4: 1,854,116 km (0.028 R)
• M5: 2,491,253 km (0.031 R)
• M6: 2,861,957 km (0.052 R)
• M7: 3,237,896 km (0.113 R)
• M8: 3,681,604 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 15

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1 AU - 1.14 AU

Year: 704 Days

Day: 13 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,073,223 km

• M1: 186,549 km (0.068 R)
• M2: 658,530 km (0.038 R)
• M3: 1,164,470 km (0.093 R)
• M4: 1,783,655 km (0.08 R)
• M5: 2,312,185 km (0.118 R)
• M6: 3,286,815 km (0.119 R)
• M7: 4,911,747 km (0.098 R)
• M8: 5,855,410 km (0.037 R)
• M9: 6,790,696 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 8.8

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.72 AU - 2.56 AU

Year: 1990 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,073,223 km

• M1: 109,506 km (0.114 R)
• M2: 398,828 km (0.055 R)
• M3: 754,572 km (0.065 R)
• M4: 1,233,734 km (0.083 R)
• M5: 1,778,868 km (0.114 R)
• M6: 2,324,003 km (0.091 R)
• M7: 2,663,440 km (0.07 R)
• M8: 3,362,063 km (0.104 R)
• M9: 4,271,618 km (0.098 R)
• M10: 5,033,968 km (0.116 R)
• M11: 5,697,585 km (0.09 R)
• M12: 6,569,441 km (0.118 R)
• M13: 6,958,096 km (0.096 R)
• M14: 8,275,754 km (0.095 R)
• M15: 9,719,374 km (0.062 R)
• M16: 10,782,416 km (0.053 R)
• M17: 11,434,064 km (0.07 R)
• M18: 12,343,769 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.6

Radius: 8.9

Gravity: 12.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.87 AU - 2.53 AU

Year: 2075 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,073,223 km

• M1: 110,852 km (0.091 R)
• M2: 452,085 km (0.044 R)
• M3: 936,034 km (0.115 R)
• M4: 1,348,026 km (0.074 R)
• M5: 1,634,058 km (0.111 R)
• M6: 1,937,143 km (0.101 R)
• M7: 2,224,969 km (0.069 R)
• M8: 2,556,029 km (0.084 R)
• M9: 3,441,349 km (0.068 R)
• M10: 3,944,896 km (0.105 R)
• M11: 4,411,791 km (0.102 R)
• M12: 4,713,679 km (0.111 R)
• M13: 5,456,283 km (0.03 R)
• M14: 6,010,693 km (0.116 R)
• M15: 6,574,378 km (0.069 R)
• M16: 7,027,061 km (0.098 R)
• M17: 7,350,342 km (0.095 R)
• M18: 9,574,413 km (0.069 R)
• M19: 11,073,982 km (0.084 R)
• M20: 12,941,413 km (0.055 R)
• M21: 15,154,863 km (0.106 R)
• M22: 16,711,728 km (0.047 R)
• M23: 17,879,489 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 12.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.38 AU - 3.04 AU

Year: 2837 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,073,223 km

• M1: 157,377 km (0.036 R)
• M2: 757,414 km (0.103 R)
• M3: 1,201,271 km (0.115 R)
• M4: 1,670,111 km (0.114 R)
• M5: 2,158,398 km (0.084 R)
• M6: 3,446,137 km (0.114 R)
• M7: 5,530,484 km (0.094 R)
• M8: 6,547,001 km (0.063 R)
• M9: 8,219,505 km (0.032 R)
• M10: 10,690,713 km (0.091 R)
• M11: 13,530,978 km (0.089 R)
• M12: 15,076,324 km (0.091 R)
• M13: 16,788,471 km (0.092 R)
• M14: 17,854,207 km (0.114 R)
• M15: 18,795,177 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 12.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.12 AU - 3.68 AU

Year: 3986 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,073,223 km

• M1: 157,975 km (0.081 R)
• M2: 702,661 km (0.119 R)
• M3: 1,252,733 km (0.083 R)
• M4: 1,647,970 km (0.1 R)
• M5: 2,171,263 km (0.094 R)
• M6: 3,128,391 km (0.077 R)
• M7: 4,255,611 km (0.085 R)
• M8: 5,146,915 km (0.116 R)
• M9: 6,099,255 km (0.091 R)
• M10: 6,871,928 km (0.11 R)
• M11: 7,674,072 km (0.109 R)
• M12: 8,279,345 km (0.086 R)
• M13: 8,763,593 km (0.103 R)
• M14: 9,465,207 km (0.104 R)
• M15: 10,501,621 km (0.078 R)
• M16: 12,604,069 km (0.071 R)
• M17: 14,595,367 km (0.12 R)
• M18: 15,977,501 km (0.035 R)
• M19: 21,539,401 km (0.088 R)
• M20: 22,673,203 km (0.108 R)
• M21: 23,401,745 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 13.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.37 AU - 4.57 AU

Year: 5029 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,073,223 km

• M1: 173,384 km (0.086 R)
• M2: 787,782 km (0.098 R)
• M3: 1,368,671 km (0.083 R)
• M4: 2,148,076 km (0.102 R)
• M5: 4,474,472 km (0.111 R)
• M6: 8,184,350 km (0.084 R)
• M7: 8,844,525 km (0.095 R)
• M8: 9,901,285 km (0.111 R)
• M9: 11,128,286 km (0.077 R)
• M10: 11,664,744 km (0.101 R)
• M11: 15,419,202 km (0.081 R)
• M12: 16,199,953 km (0.111 R)
• M13: 17,901,180 km (0.116 R)
• M14: 18,576,615 km (0.109 R)
• M15: 22,423,524 km (0.109 R)
• M16: 26,063,240 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.4

Radius: 9.8

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.26 AU - 4.3 AU

Year: 5630 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,073,223 km

• M1: 122,221 km (0.077 R)
• M2: 810,072 km (0.114 R)
• M3: 1,501,963 km (0.039 R)
• M4: 2,601,806 km (0.056 R)
• M5: 3,035,191 km (0.12 R)
• M6: 4,219,857 km (0.118 R)
• M7: 4,902,921 km (0.096 R)
• M8: 6,829,143 km (0.118 R)
• M9: 7,145,692 km (0.087 R)
• M10: 7,620,366 km (0.084 R)
• M11: 8,471,428 km (0.12 R)
• M12: 12,727,936 km (0.117 R)
• M13: 13,868,321 km (0.068 R)
• M14: 14,898,901 km (0.04 R)
• M15: 15,253,597 km (0.099 R)
• M16: 17,435,781 km (0.056 R)
• M17: 19,676,758 km (0.103 R)
• M18: 20,175,666 km (0.12 R)
• M19: 21,422,714 km (0.095 R)
• M20: 22,720,177 km (0.116 R)
• M21: 23,747,166 km (0.075 R)
• M22: 25,136,631 km (0.114 R)
• M23: 26,406,867 km (0.088 R)
• M24: 26,839,653 km (0.109 R)
• M25: 28,709,327 km (0.108 R)
• M26: 32,905,099 km (0.102 R)
• M27: 33,608,358 km (0.098 R)

Asteroid Belt

Center: 4.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 9.4

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.32 AU - 5.64 AU

Year: 7066 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,073,223 km

• M1: 116,986 km (0.115 R)
• M2: 415,134 km (0.092 R)
• M3: 740,210 km (0.051 R)
• M4: 1,232,238 km (0.078 R)
• M5: 1,732,194 km (0.069 R)
• M6: 2,502,623 km (0.04 R)
• M7: 2,818,274 km (0.116 R)
• M8: 3,485,780 km (0.063 R)
• M9: 5,677,538 km (0.037 R)
• M10: 6,705,425 km (0.051 R)
• M11: 7,620,964 km (0.075 R)
• M12: 8,009,620 km (0.113 R)
• M13: 8,576,147 km (0.098 R)
• M14: 12,821,435 km (0.099 R)
• M15: 13,260,804 km (0.059 R)
• M16: 16,301,530 km (0.101 R)
• M17: 17,746,047 km (0.039 R)
• M18: 19,633,374 km (0.106 R)
• M19: 21,728,193 km (0.064 R)
• M20: 23,150,869 km (0.105 R)
• M21: 24,050,251 km (0.042 R)
• M22: 24,634,730 km (0.107 R)
• M23: 28,157,461 km (0.108 R)
• M24: 31,010,143 km (0.099 R)
• M25: 33,015,502 km (0.086 R)
• M26: 34,259,558 km (0.061 R)
• M27: 36,620,811 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.6

Radius: 7.9

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 10.29 AU - 11.65 AU

Year: 23102 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,073,223 km

• M1: 100,380 km (0.056 R)
• M2: 373,695 km (0.045 R)
• M3: 819,647 km (0.066 R)
• M4: 1,079,199 km (0.107 R)
• M5: 1,410,110 km (0.119 R)
• M6: 2,128,179 km (0.115 R)
• M7: 2,605,247 km (0.095 R)
• M8: 2,988,367 km (0.097 R)
• M9: 3,618,025 km (0.091 R)
• M10: 4,264,437 km (0.062 R)
• M11: 5,256,121 km (0.106 R)
• M12: 6,259,923 km (0.063 R)
• M13: 7,141,204 km (0.115 R)
• M14: 11,840,821 km (0.079 R)
• M15: 14,390,717 km (0.059 R)
• M16: 15,021,272 km (0.102 R)
• M17: 15,835,084 km (0.107 R)
• M18: 17,997,821 km (0.086 R)
• M19: 19,767,863 km (0.076 R)
• M20: 20,252,261 km (0.113 R)
• M21: 21,958,873 km (0.028 R)
• M22: 31,551,388 km (0.091 R)
• M23: 32,480,390 km (0.096 R)
• M24: 34,812,023 km (0.111 R)
• M25: 35,093,566 km (0.045 R)
• M26: 36,960,248 km (0.081 R)
• M27: 40,268,456 km (0.081 R)
• M28: 43,442,474 km (0.09 R)
• M29: 46,268,377 km (0.118 R)
• M30: 47,812,975 km (0.081 R)
• M31: 49,391,682 km (0.097 R)
• M32: 70,677,065 km (0.098 R)
• M33: 74,576,035 km (0.119 R)
• M34: 77,173,951 km (0.109 R)
• M35: 78,133,322 km (0.118 R)
• M36: 78,858,124 km (0.114 R)
• M37: 85,073,168 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 14,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit