🌌 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: 623.8

Radius: 9.1

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.59 AU - 0.81 AU

Year: 397 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,458,458 km

• M1: 113,246 km (0.071 R)
• M2: 413,040 km (0.067 R)
• M3: 759,359 km (0.098 R)
• M4: 1,211,892 km (0.086 R)
• M5: 1,587,682 km (0.082 R)
• M6: 1,890,917 km (0.113 R)
• M7: 2,190,262 km (0.06 R)
• M8: 4,483,747 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.2

Radius: 13

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.66 AU - 0.96 AU

Year: 494 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 67.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,458,458 km

• M1: 162,314 km (0.106 R)
• M2: 587,321 km (0.08 R)
• M3: 1,214,735 km (0.052 R)
• M4: 1,643,333 km (0.115 R)
• M5: 2,089,882 km (0.053 R)
• M6: 2,501,875 km (0.033 R)
• M7: 3,044,616 km (0.088 R)
• M8: 4,512,321 km (0.11 R)
• M9: 5,354,706 km (0.03 R)
• M10: 5,839,702 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 14

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.78 AU - 1.1 AU

Year: 618 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,458,458 km

• M1: 174,132 km (0.081 R)
• M2: 650,900 km (0.09 R)
• M3: 1,158,187 km (0.067 R)
• M4: 1,739,374 km (0.104 R)
• M5: 2,178,893 km (0.089 R)
• M6: 2,737,791 km (0.064 R)
• M7: 3,240,589 km (0.12 R)
• M8: 3,805,171 km (0.105 R)
• M9: 5,049,078 km (0.079 R)
• M10: 5,830,577 km (0.112 R)
• M11: 7,635,326 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 8.5

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.03 AU - 1.45 AU

Year: 937 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,458,458 km

• M1: 105,766 km (0.07 R)
• M2: 453,581 km (0.118 R)
• M3: 832,363 km (0.09 R)
• M4: 1,145,321 km (0.117 R)
• M5: 1,834,219 km (0.046 R)
• M6: 2,511,449 km (0.096 R)
• M7: 3,179,104 km (0.073 R)
• M8: 3,636,575 km (0.103 R)
• M9: 4,559,893 km (0.065 R)
• M10: 5,692,349 km (0.083 R)
• M11: 6,589,786 km (0.099 R)
• M12: 6,932,066 km (0.042 R)
• M13: 8,186,145 km (0.065 R)
• M14: 8,798,599 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.64 AU - 2.54 AU

Year: 2049 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,458,458 km

• M1: 99,782 km (0.118 R)
• M2: 460,462 km (0.097 R)
• M3: 868,116 km (0.116 R)
• M4: 1,212,192 km (0.095 R)
• M5: 1,914,853 km (0.107 R)
• M6: 3,797,542 km (0.104 R)
• M7: 6,433,606 km (0.115 R)
• M8: 8,043,878 km (0.094 R)
• M9: 8,683,259 km (0.118 R)
• M10: 9,118,140 km (0.087 R)
• M11: 10,937,848 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 14

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.88 AU - 3.32 AU

Year: 3702 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 170.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,458,458 km

• M1: 174,132 km (0.113 R)
• M2: 725,250 km (0.09 R)
• M3: 1,403,527 km (0.115 R)
• M4: 2,231,103 km (0.089 R)
• M5: 3,463,640 km (0.088 R)
• M6: 4,930,447 km (0.115 R)
• M7: 5,593,764 km (0.098 R)
• M8: 6,286,103 km (0.089 R)
• M9: 6,874,172 km (0.081 R)
• M10: 9,091,960 km (0.06 R)
• M11: 9,603,286 km (0.049 R)
• M12: 10,597,962 km (0.077 R)
• M13: 11,388,138 km (0.102 R)
• M14: 13,136,039 km (0.095 R)
• M15: 14,100,048 km (0.099 R)
• M16: 14,840,408 km (0.091 R)
• M17: 15,829,998 km (0.064 R)
• M18: 17,336,598 km (0.1 R)
• M19: 19,448,621 km (0.095 R)
• M20: 21,519,205 km (0.076 R)
• M21: 23,365,991 km (0.042 R)
• M22: 25,625,966 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 12.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.98 AU - 3.52 AU

Year: 3974 Days

Day: 7.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,458,458 km

• M1: 161,267 km (0.113 R)
• M2: 726,447 km (0.087 R)
• M3: 1,613,862 km (0.106 R)
• M4: 2,198,341 km (0.07 R)
• M5: 3,098,471 km (0.098 R)
• M6: 3,861,121 km (0.099 R)
• M7: 5,119,688 km (0.102 R)
• M8: 5,815,767 km (0.054 R)
• M9: 6,245,711 km (0.032 R)
• M10: 6,696,749 km (0.111 R)
• M11: 7,266,717 km (0.12 R)
• M12: 7,834,590 km (0.113 R)
• M13: 8,504,190 km (0.103 R)
• M14: 9,404,321 km (0.1 R)
• M15: 11,305,859 km (0.077 R)
• M16: 11,796,241 km (0.095 R)
• M17: 12,441,008 km (0.076 R)
• M18: 14,568,888 km (0.068 R)
• M19: 16,642,763 km (0.039 R)
• M20: 17,572,215 km (0.117 R)
• M21: 23,601,906 km (0.117 R)
• M22: 24,037,386 km (0.086 R)
• M23: 24,626,203 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.4

Radius: 12

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.09 AU - 4.41 AU

Year: 4925 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 172.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,458,458 km

• M1: 150,645 km (0.095 R)
• M2: 533,466 km (0.113 R)
• M3: 960,269 km (0.103 R)
• M4: 1,362,687 km (0.043 R)
• M5: 1,754,633 km (0.078 R)
• M6: 2,326,247 km (0.111 R)
• M7: 2,877,665 km (0.117 R)
• M8: 3,260,785 km (0.1 R)
• M9: 4,744,347 km (0.062 R)
• M10: 6,513,641 km (0.111 R)
• M11: 8,392,141 km (0.115 R)
• M12: 8,837,494 km (0.042 R)
• M13: 9,220,764 km (0.1 R)
• M14: 10,269,595 km (0.091 R)
• M15: 11,262,326 km (0.109 R)
• M16: 12,036,345 km (0.09 R)
• M17: 12,412,584 km (0.11 R)
• M18: 15,713,162 km (0.116 R)
• M19: 16,334,143 km (0.109 R)
• M20: 17,745,898 km (0.107 R)
• M21: 18,856,961 km (0.117 R)
• M22: 21,491,230 km (0.074 R)
• M23: 22,896,553 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.5

Radius: 3.8

Gravity: 41.38 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.25 AU - 6.49 AU

Year: 10904 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,458,458 km

• M1: 66,870 km (0.063 R)
• M2: 210,783 km (0.11 R)
• M3: 344,374 km (0.117 R)
• M4: 549,473 km (0.113 R)
• M5: 684,410 km (0.07 R)
• M6: 1,505,254 km (0.032 R)
• M7: 1,773,483 km (0.07 R)
• M8: 2,365,741 km (0.111 R)
• M9: 2,966,975 km (0.096 R)
• M10: 4,643,368 km (0.07 R)
• M11: 5,144,372 km (0.113 R)
• M12: 5,749,944 km (0.079 R)
• M13: 5,926,320 km (0.12 R)
• M14: 6,215,941 km (0.103 R)
• M15: 8,024,131 km (0.106 R)
• M16: 9,553,769 km (0.095 R)
• M17: 11,488,069 km (0.095 R)
• M18: 11,711,718 km (0.102 R)
• M19: 14,109,922 km (0.071 R)
• M20: 15,423,391 km (0.116 R)
• M21: 18,826,443 km (0.093 R)
• M22: 22,436,090 km (0.09 R)
• M23: 22,785,401 km (0.109 R)
• M24: 24,865,111 km (0.111 R)
• M25: 25,145,308 km (0.058 R)
• M26: 25,902,871 km (0.115 R)
• M27: 27,663,040 km (0.046 R)
• M28: 28,470,270 km (0.06 R)
• M29: 28,674,471 km (0.12 R)
• M30: 28,982,643 km (0.079 R)
• M31: 30,986,057 km (0.072 R)
• M32: 38,660,129 km (0.082 R)
• M33: 39,414,701 km (0.068 R)
• M34: 41,344,214 km (0.078 R)
• M35: 45,948,836 km (0.104 R)
• M36: 46,089,159 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.7

Radius: 6.7

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.86 AU - 8.44 AU

Year: 12967 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,458,458 km

• M1: 83,326 km (0.113 R)
• M2: 390,750 km (0.108 R)
• M3: 645,664 km (0.09 R)
• M4: 1,034,619 km (0.052 R)
• M5: 2,671,968 km (0.069 R)
• M6: 3,646,299 km (0.113 R)
• M7: 4,904,417 km (0.12 R)
• M8: 5,777,919 km (0.102 R)
• M9: 7,472,563 km (0.054 R)
• M10: 9,320,097 km (0.071 R)
• M11: 11,569,899 km (0.06 R)
• M12: 12,851,803 km (0.109 R)
• M13: 13,364,326 km (0.106 R)
• M14: 15,767,316 km (0.09 R)
• M15: 18,768,100 km (0.117 R)
• M16: 19,594,778 km (0.075 R)
• M17: 20,017,093 km (0.092 R)
• M18: 20,792,608 km (0.1 R)
• M19: 21,857,446 km (0.065 R)
• M20: 23,999,089 km (0.096 R)
• M21: 26,790,585 km (0.119 R)
• M22: 33,008,471 km (0.117 R)
• M23: 35,443,326 km (0.086 R)
• M24: 37,475,463 km (0.109 R)
• M25: 40,123,346 km (0.11 R)
• M26: 40,667,433 km (0.066 R)
• M27: 43,892,165 km (0.074 R)
• M28: 46,831,464 km (0.115 R)
• M29: 52,124,835 km (0.062 R)
• M30: 54,748,333 km (0.107 R)
• M31: 56,943,681 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 14,227 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit