🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 10.4

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.51 AU - 0.55 AU

Year: 257 Days

Day: 5.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,452,701 km

• M1: 129,402 km (0.106 R)
• M2: 472,580 km (0.091 R)
• M3: 916,586 km (0.094 R)
• M4: 1,386,024 km (0.064 R)
• M5: 1,793,828 km (0.099 R)
• M6: 2,404,187 km (0.118 R)
• M7: 2,744,822 km (0.108 R)
• M8: 3,967,485 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 10.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.65 AU - 1.07 AU

Year: 532 Days

Day: 13 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,452,701 km

• M1: 135,536 km (0.099 R)
• M2: 560,842 km (0.098 R)
• M3: 1,435,541 km (0.103 R)
• M4: 2,016,878 km (0.062 R)
• M5: 2,592,082 km (0.104 R)
• M6: 3,199,599 km (0.075 R)
• M7: 3,560,280 km (0.119 R)
• M8: 4,209,983 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 13.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.77 AU - 1.19 AU

Year: 647 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,452,701 km

• M1: 164,558 km (0.09 R)
• M2: 654,790 km (0.117 R)
• M3: 1,069,774 km (0.082 R)
• M4: 1,602,193 km (0.115 R)
• M5: 2,758,585 km (0.115 R)
• M6: 3,220,393 km (0.087 R)
• M7: 3,746,379 km (0.11 R)
• M8: 4,370,203 km (0.061 R)
• M9: 4,927,604 km (0.051 R)
• M10: 5,404,073 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 8.8

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.22 AU - 1.78 AU

Year: 1225 Days

Day: 14.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,452,701 km

• M1: 109,954 km (0.119 R)
• M2: 606,320 km (0.077 R)
• M3: 1,163,722 km (0.084 R)
• M4: 1,447,060 km (0.05 R)
• M5: 1,814,921 km (0.098 R)
• M6: 2,115,314 km (0.086 R)
• M7: 2,741,082 km (0.097 R)
• M8: 3,251,659 km (0.082 R)
• M9: 3,575,539 km (0.05 R)
• M10: 4,185,898 km (0.11 R)
• M11: 4,697,074 km (0.094 R)
• M12: 5,388,964 km (0.047 R)
• M13: 5,759,518 km (0.034 R)
• M14: 6,125,135 km (0.112 R)
• M15: 7,616,925 km (0.086 R)
• M16: 8,543,385 km (0.076 R)
• M17: 10,746,662 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.2

Radius: 8.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.43 AU - 2.09 AU

Year: 1557 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,452,701 km

• M1: 111,750 km (0.045 R)
• M2: 401,221 km (0.097 R)
• M3: 1,162,226 km (0.104 R)
• M4: 1,732,493 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 10.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.52 AU - 3.66 AU

Year: 3622 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,452,701 km

• M1: 151,692 km (0.092 R)
• M2: 857,944 km (0.106 R)
• M3: 1,231,490 km (0.077 R)
• M4: 2,337,616 km (0.102 R)
• M5: 2,958,298 km (0.033 R)
• M6: 4,052,158 km (0.066 R)
• M7: 5,018,709 km (0.104 R)
• M8: 7,284,220 km (0.116 R)
• M9: 8,054,050 km (0.1 R)
• M10: 8,979,612 km (0.099 R)
• M11: 9,575,311 km (0.073 R)
• M12: 12,310,110 km (0.11 R)
• M13: 13,446,904 km (0.082 R)
• M14: 13,948,356 km (0.111 R)
• M15: 16,079,976 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.6

Radius: 9.7

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.94 AU - 5.6 AU

Year: 8068 Days

Day: 5.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,452,701 km

• M1: 121,174 km (0.12 R)
• M2: 542,891 km (0.117 R)
• M3: 901,477 km (0.1 R)
• M4: 1,408,464 km (0.098 R)
• M5: 1,918,443 km (0.112 R)
• M6: 2,848,643 km (0.091 R)
• M7: 3,744,136 km (0.066 R)
• M8: 5,122,231 km (0.107 R)
• M9: 9,211,040 km (0.093 R)
• M10: 12,013,307 km (0.096 R)
• M11: 12,463,447 km (0.076 R)
• M12: 12,808,420 km (0.097 R)
• M13: 14,693,353 km (0.07 R)
• M14: 15,470,514 km (0.093 R)
• M15: 16,206,685 km (0.073 R)
• M16: 17,318,796 km (0.094 R)
• M17: 18,481,171 km (0.11 R)
• M18: 19,005,661 km (0.117 R)
• M19: 20,006,172 km (0.116 R)
• M20: 21,448,894 km (0.092 R)
• M21: 22,788,543 km (0.102 R)
• M22: 26,474,784 km (0.062 R)
• M23: 33,433,927 km (0.082 R)
• M24: 34,100,984 km (0.06 R)
• M25: 34,663,622 km (0.106 R)
• M26: 35,346,835 km (0.077 R)
• M27: 43,994,639 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.7

Radius: 9.3

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.05 AU - 6.53 AU

Year: 8114 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,452,701 km

• M1: 125,064 km (0.065 R)
• M2: 934,388 km (0.116 R)
• M3: 1,262,157 km (0.075 R)
• M4: 2,544,061 km (0.087 R)
• M5: 3,726,184 km (0.112 R)
• M6: 4,340,133 km (0.052 R)
• M7: 5,051,023 km (0.058 R)
• M8: 6,405,781 km (0.044 R)
• M9: 6,894,218 km (0.05 R)
• M10: 7,903,405 km (0.093 R)
• M11: 11,143,994 km (0.093 R)
• M12: 11,521,130 km (0.079 R)
• M13: 12,879,479 km (0.061 R)
• M14: 13,175,384 km (0.081 R)
• M15: 13,780,806 km (0.061 R)
• M16: 15,243,724 km (0.076 R)
• M17: 16,667,447 km (0.117 R)
• M18: 17,519,706 km (0.108 R)
• M19: 17,956,681 km (0.097 R)
• M20: 19,855,826 km (0.115 R)
• M21: 24,408,089 km (0.116 R)
• M22: 28,797,740 km (0.101 R)
• M23: 30,649,911 km (0.112 R)
• M24: 36,799,580 km (0.026 R)
• M25: 39,848,385 km (0.059 R)
• M26: 41,627,104 km (0.113 R)
• M27: 44,125,089 km (0.104 R)
• M28: 45,342,516 km (0.108 R)
• M29: 45,753,162 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.3

Radius: 5.6

Gravity: 30.94 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.98 AU - 11.58 AU

Year: 20396 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,452,701 km

• M1: 81,830 km (0.077 R)
• M2: 741,108 km (0.109 R)
• M3: 2,051,136 km (0.103 R)
• M4: 3,292,799 km (0.099 R)
• M5: 3,560,429 km (0.092 R)
• M6: 5,320,448 km (0.085 R)
• M7: 6,119,450 km (0.111 R)
• M8: 10,498,330 km (0.115 R)
• M9: 13,843,189 km (0.048 R)
• M10: 14,305,745 km (0.093 R)
• M11: 14,778,474 km (0.052 R)
• M12: 19,995,999 km (0.036 R)
• M13: 20,586,911 km (0.102 R)
• M14: 23,936,258 km (0.083 R)
• M15: 29,614,245 km (0.053 R)
• M16: 29,996,318 km (0.087 R)
• M17: 31,293,631 km (0.066 R)
• M18: 34,138,683 km (0.045 R)
• M19: 35,266,352 km (0.068 R)
• M20: 42,882,828 km (0.112 R)
• M21: 46,042,634 km (0.102 R)
• M22: 46,899,232 km (0.069 R)
• M23: 52,634,814 km (0.119 R)
• M24: 52,821,213 km (0.114 R)
• M25: 60,643,686 km (0.042 R)
• M26: 61,259,730 km (0.12 R)
• M27: 78,291,298 km (0.102 R)
• M28: 82,993,308 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.6

Radius: 7.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.76 AU - 10.98 AU

Year: 20678 Days

Day: 18.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 98.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,452,701 km

• M1: 91,554 km (0.093 R)
• M2: 412,741 km (0.091 R)
• M3: 1,365,679 km (0.106 R)
• M4: 2,081,505 km (0.114 R)
• M5: 2,459,090 km (0.027 R)
• M6: 2,928,678 km (0.098 R)
• M7: 4,135,783 km (0.084 R)
• M8: 4,380,974 km (0.107 R)
• M9: 4,668,351 km (0.106 R)
• M10: 6,624,493 km (0.078 R)
• M11: 7,308,903 km (0.097 R)
• M12: 7,992,416 km (0.09 R)
• M13: 9,173,491 km (0.064 R)
• M14: 10,693,555 km (0.077 R)
• M15: 11,040,024 km (0.119 R)
• M16: 12,311,606 km (0.105 R)
• M17: 12,564,576 km (0.048 R)
• M18: 13,146,212 km (0.095 R)
• M19: 13,410,402 km (0.099 R)
• M20: 13,745,651 km (0.112 R)
• M21: 14,017,769 km (0.116 R)
• M22: 19,986,126 km (0.043 R)
• M23: 21,227,489 km (0.043 R)
• M24: 21,683,015 km (0.074 R)
• M25: 22,144,973 km (0.093 R)
• M26: 23,280,720 km (0.073 R)
• M27: 28,322,766 km (0.115 R)
• M28: 32,219,641 km (0.086 R)
• M29: 34,545,888 km (0.069 R)
• M30: 35,303,153 km (0.089 R)
• M31: 36,200,590 km (0.085 R)
• M32: 37,244,634 km (0.081 R)
• M33: 41,480,647 km (0.076 R)
• M34: 43,787,596 km (0.074 R)
• M35: 44,377,460 km (0.083 R)
• M36: 47,406,368 km (0.106 R)
• M37: 53,872,288 km (0.115 R)
• M38: 55,748,395 km (0.113 R)
• M39: 57,315,283 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 15,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit