🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 8.6

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.74 AU - 0.82 AU

Year: 438 Days

Day: 13.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,037,765 km

• M1: 107,112 km (0.05 R)
• M2: 389,553 km (0.108 R)
• M3: 806,333 km (0.053 R)
• M4: 1,187,657 km (0.118 R)
• M5: 1,501,813 km (0.094 R)
• M6: 1,840,054 km (0.072 R)
• M7: 2,671,968 km (0.103 R)
• M8: 3,494,905 km (0.102 R)
• M9: 3,878,624 km (0.079 R)
• M10: 4,163,758 km (0.094 R)
• M11: 4,462,953 km (0.116 R)
• M12: 4,776,361 km (0.067 R)
• M13: 5,072,714 km (0.091 R)
• M14: 5,414,545 km (0.026 R)
• M15: 5,929,461 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68

Radius: 12.8

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.81 AU - 0.99 AU

Year: 543 Days

Day: 7.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,037,765 km

• M1: 161,117 km (0.048 R)
• M2: 579,393 km (0.11 R)
• M3: 1,008,589 km (0.074 R)
• M4: 1,444,667 km (0.093 R)
• M5: 1,900,192 km (0.078 R)
• M6: 2,370,229 km (0.058 R)
• M7: 2,783,717 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 8.3

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.88 AU - 1.04 AU

Year: 598 Days

Day: 11 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,037,765 km

• M1: 103,971 km (0.069 R)
• M2: 422,165 km (0.12 R)
• M3: 701,315 km (0.057 R)
• M4: 1,103,434 km (0.058 R)
• M5: 1,371,663 km (0.111 R)
• M6: 1,830,031 km (0.064 R)
• M7: 2,311,885 km (0.108 R)
• M8: 2,664,637 km (0.092 R)
• M9: 3,667,841 km (0.109 R)
• M10: 4,135,783 km (0.103 R)
• M11: 4,966,649 km (0.073 R)
• M12: 5,851,521 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.5

Radius: 12.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.35 AU - 1.81 AU

Year: 1263 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,037,765 km

• M1: 154,235 km (0.114 R)
• M2: 835,055 km (0.051 R)
• M3: 1,542,952 km (0.116 R)
• M4: 2,118,007 km (0.08 R)
• M5: 2,623,498 km (0.066 R)
• M6: 3,970,776 km (0.09 R)
• M7: 4,814,957 km (0.058 R)
• M8: 5,206,604 km (0.077 R)
• M9: 5,716,583 km (0.114 R)
• M10: 6,259,624 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.8

Radius: 13.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.85 AU - 3.03 AU

Year: 2423 Days

Day: 8.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,037,765 km

• M1: 172,935 km (0.111 R)
• M2: 746,045 km (0.108 R)
• M3: 1,253,929 km (0.066 R)
• M4: 1,860,250 km (0.096 R)
• M5: 2,353,474 km (0.111 R)
• M6: 2,822,164 km (0.116 R)
• M7: 4,427,199 km (0.084 R)
• M8: 4,920,723 km (0.11 R)
• M9: 5,363,532 km (0.115 R)
• M10: 6,652,019 km (0.102 R)
• M11: 8,051,507 km (0.062 R)
• M12: 8,729,784 km (0.072 R)
• M13: 9,736,727 km (0.084 R)
• M14: 10,960,587 km (0.115 R)
• M15: 11,869,245 km (0.112 R)
• M16: 12,361,272 km (0.104 R)
• M17: 13,795,317 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 14

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.84 AU - 3.24 AU

Year: 3370 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,037,765 km

• M1: 174,132 km (0.103 R)
• M2: 652,696 km (0.059 R)
• M3: 1,158,037 km (0.099 R)
• M4: 1,932,655 km (0.082 R)
• M5: 2,956,204 km (0.092 R)
• M6: 3,529,612 km (0.104 R)
• M7: 5,353,958 km (0.079 R)
• M8: 5,932,453 km (0.03 R)
• M9: 7,017,786 km (0.111 R)
• M10: 8,107,457 km (0.085 R)
• M11: 8,548,022 km (0.094 R)
• M12: 9,138,186 km (0.11 R)
• M13: 9,720,421 km (0.109 R)
• M14: 10,808,297 km (0.096 R)
• M15: 12,715,969 km (0.083 R)
• M16: 13,183,013 km (0.032 R)
• M17: 13,838,401 km (0.118 R)
• M18: 15,309,397 km (0.12 R)
• M19: 16,479,402 km (0.118 R)
• M20: 16,984,295 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.3

Radius: 8.7

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.42 AU - 5.36 AU

Year: 6875 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,037,765 km

• M1: 108,608 km (0.094 R)
• M2: 655,388 km (0.093 R)
• M3: 987,346 km (0.055 R)
• M4: 1,466,807 km (0.115 R)
• M5: 1,891,216 km (0.076 R)
• M6: 2,968,171 km (0.083 R)
• M7: 5,471,692 km (0.067 R)
• M8: 8,401,566 km (0.094 R)
• M9: 10,155,601 km (0.047 R)
• M10: 11,024,166 km (0.109 R)
• M11: 13,013,369 km (0.067 R)
• M12: 14,540,913 km (0.034 R)
• M13: 20,187,036 km (0.076 R)
• M14: 20,470,374 km (0.082 R)
• M15: 28,541,030 km (0.102 R)
• M16: 28,898,269 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.6

Radius: 4.2

Gravity: 23.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.15 AU - 8.17 AU

Year: 10928 Days

Day: 24 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,037,765 km

• M1: 53,706 km (0.096 R)
• M2: 185,801 km (0.083 R)
• M3: 323,879 km (0.1 R)
• M4: 490,531 km (0.059 R)
• M5: 841,488 km (0.08 R)
• M6: 2,224,969 km (0.116 R)
• M7: 2,776,985 km (0.101 R)
• M8: 3,462,742 km (0.087 R)
• M9: 3,681,454 km (0.114 R)
• M10: 4,309,765 km (0.116 R)
• M11: 5,318,204 km (0.115 R)
• M12: 5,809,633 km (0.026 R)
• M13: 7,034,391 km (0.104 R)
• M14: 7,306,360 km (0.113 R)
• M15: 8,335,444 km (0.067 R)
• M16: 8,508,528 km (0.109 R)
• M17: 9,457,428 km (0.092 R)
• M18: 10,325,095 km (0.106 R)
• M19: 10,524,809 km (0.103 R)
• M20: 11,996,403 km (0.064 R)
• M21: 12,497,107 km (0.059 R)
• M22: 13,539,954 km (0.079 R)
• M23: 15,019,177 km (0.108 R)
• M24: 15,929,929 km (0.106 R)
• M25: 16,466,537 km (0.065 R)
• M26: 16,945,998 km (0.067 R)
• M27: 18,366,879 km (0.118 R)
• M28: 18,660,390 km (0.06 R)
• M29: 18,808,192 km (0.104 R)
• M30: 19,635,618 km (0.097 R)
• M31: 19,788,507 km (0.12 R)
• M32: 20,881,918 km (0.081 R)
• M33: 37,296,544 km (0.094 R)
• M34: 38,360,484 km (0.066 R)
• M35: 41,547,966 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.2

Radius: 5.1

Gravity: 26.61 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.71 AU - 8.11 AU

Year: 12825 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,037,765 km

• M1: 82,877 km (0.094 R)
• M2: 1,060,200 km (0.114 R)
• M3: 1,295,218 km (0.109 R)
• M4: 1,836,164 km (0.09 R)
• M5: 2,214,796 km (0.068 R)
• M6: 2,776,237 km (0.101 R)
• M7: 3,054,340 km (0.112 R)
• M8: 3,943,849 km (0.09 R)
• M9: 5,512,233 km (0.112 R)
• M10: 5,914,352 km (0.026 R)
• M11: 6,180,187 km (0.071 R)
• M12: 8,411,888 km (0.119 R)
• M13: 9,143,721 km (0.12 R)
• M14: 12,560,686 km (0.1 R)
• M15: 13,000,205 km (0.114 R)
• M16: 15,928,284 km (0.081 R)
• M17: 16,667,148 km (0.11 R)
• M18: 17,739,764 km (0.089 R)
• M19: 18,453,047 km (0.116 R)
• M20: 18,694,947 km (0.078 R)
• M21: 19,936,759 km (0.083 R)
• M22: 21,945,858 km (0.03 R)
• M23: 24,375,178 km (0.092 R)
• M24: 25,058,541 km (0.083 R)
• M25: 25,355,343 km (0.118 R)
• M26: 26,668,513 km (0.078 R)
• M27: 29,210,779 km (0.115 R)
• M28: 30,765,999 km (0.085 R)
• M29: 41,685,297 km (0.09 R)
• M30: 43,796,572 km (0.083 R)
• M31: 47,020,256 km (0.081 R)
• M32: 54,927,850 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.9

Radius: 7.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.57 AU - 12.53 AU

Year: 20257 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,037,765 km

• M1: 100,231 km (0.073 R)
• M2: 442,959 km (0.097 R)
• M3: 951,891 km (0.081 R)
• M4: 1,983,518 km (0.062 R)
• M5: 3,171,475 km (0.049 R)
• M6: 3,524,975 km (0.091 R)
• M7: 5,241,461 km (0.109 R)
• M8: 7,131,929 km (0.093 R)
• M9: 8,208,286 km (0.09 R)
• M10: 12,253,412 km (0.086 R)
• M11: 14,288,841 km (0.114 R)
• M12: 17,604,079 km (0.067 R)
• M13: 21,070,411 km (0.105 R)
• M14: 21,898,286 km (0.105 R)
• M15: 24,421,553 km (0.096 R)
• M16: 24,784,029 km (0.088 R)
• M17: 37,648,997 km (0.078 R)
• M18: 40,615,523 km (0.08 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 13,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit