🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 13.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.57 AU - 0.87 AU

Year: 414 Days

Day: 9.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,602,042 km

• M1: 172,935 km (0.072 R)
• M2: 724,951 km (0.075 R)
• M3: 1,196,933 km (0.104 R)
• M4: 1,781,411 km (0.093 R)
• M5: 2,333,428 km (0.108 R)
• M6: 2,898,010 km (0.1 R)
• M7: 3,935,920 km (0.115 R)
• M8: 4,385,910 km (0.086 R)
• M9: 5,103,980 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.6

Radius: 14

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.65 AU - 0.97 AU

Year: 494 Days

Day: 11.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,602,042 km

• M1: 174,132 km (0.112 R)
• M2: 686,505 km (0.116 R)
• M3: 1,130,810 km (0.042 R)
• M4: 1,845,589 km (0.118 R)
• M5: 3,131,383 km (0.104 R)
• M6: 3,702,996 km (0.085 R)
• M7: 5,042,645 km (0.103 R)
• M8: 5,593,764 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.7

Radius: 10.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.14 AU - 1.14 AU

Year: 826 Days

Day: 5.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,602,042 km

• M1: 125,662 km (0.052 R)
• M2: 484,398 km (0.092 R)
• M3: 943,663 km (0.098 R)
• M4: 1,919,191 km (0.066 R)
• M5: 2,275,084 km (0.042 R)
• M6: 2,709,517 km (0.036 R)
• M7: 3,238,046 km (0.037 R)
• M8: 3,717,806 km (0.12 R)
• M9: 4,355,692 km (0.091 R)
• M10: 4,769,031 km (0.042 R)
• M11: 5,732,590 km (0.111 R)
• M12: 6,691,363 km (0.106 R)
• M13: 7,040,973 km (0.108 R)
• M14: 8,312,555 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.5

Radius: 8.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.25 AU - 2.87 AU

Year: 2778 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 179.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,602,042 km

• M1: 117,135 km (0.113 R)
• M2: 429,645 km (0.112 R)
• M3: 837,449 km (0.11 R)
• M4: 1,756,429 km (0.107 R)
• M5: 3,083,063 km (0.054 R)
• M6: 3,421,004 km (0.059 R)
• M7: 3,757,001 km (0.085 R)
• M8: 4,586,820 km (0.108 R)
• M9: 6,240,326 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 9.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.61 AU - 3.81 AU

Year: 3901 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,602,042 km

• M1: 114,592 km (0.038 R)
• M2: 804,089 km (0.053 R)
• M3: 1,266,047 km (0.063 R)
• M4: 1,611,767 km (0.081 R)
• M5: 2,295,131 km (0.104 R)
• M6: 3,512,558 km (0.043 R)
• M7: 4,462,804 km (0.112 R)
• M8: 5,062,990 km (0.111 R)
• M9: 5,687,561 km (0.056 R)
• M10: 7,090,341 km (0.104 R)
• M11: 7,559,629 km (0.098 R)
• M12: 8,977,219 km (0.08 R)
• M13: 9,407,313 km (0.102 R)
• M14: 10,098,903 km (0.115 R)
• M15: 10,478,583 km (0.11 R)
• M16: 10,867,687 km (0.078 R)
• M17: 11,446,780 km (0.062 R)
• M18: 13,408,756 km (0.087 R)
• M19: 15,865,602 km (0.114 R)
• M20: 19,051,289 km (0.084 R)
• M21: 20,091,144 km (0.046 R)
• M22: 20,827,614 km (0.039 R)
• M23: 24,103,658 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.7

Radius: 9.1

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.68 AU - 3.76 AU

Year: 4866 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,602,042 km

• M1: 113,096 km (0.056 R)
• M2: 488,437 km (0.12 R)
• M3: 1,358,648 km (0.086 R)
• M4: 1,777,372 km (0.1 R)
• M5: 2,876,468 km (0.054 R)
• M6: 4,821,240 km (0.081 R)
• M7: 5,378,343 km (0.117 R)
• M8: 5,918,690 km (0.041 R)
• M9: 6,748,360 km (0.116 R)
• M10: 7,343,161 km (0.066 R)
• M11: 7,794,199 km (0.106 R)
• M12: 8,300,438 km (0.094 R)
• M13: 12,528,373 km (0.11 R)
• M14: 15,295,485 km (0.103 R)
• M15: 16,910,693 km (0.087 R)
• M16: 19,673,616 km (0.058 R)
• M17: 23,089,534 km (0.08 R)
• M18: 25,365,366 km (0.114 R)
• M19: 26,396,544 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 12.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.86 AU - 6.12 AU

Year: 8725 Days

Day: 8.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,602,042 km

• M1: 155,432 km (0.078 R)
• M2: 549,772 km (0.061 R)
• M3: 1,347,877 km (0.034 R)
• M4: 1,824,645 km (0.074 R)
• M5: 2,785,363 km (0.091 R)
• M6: 3,475,159 km (0.114 R)
• M7: 3,874,136 km (0.082 R)
• M8: 4,705,900 km (0.11 R)
• M9: 5,823,097 km (0.067 R)
• M10: 6,425,977 km (0.087 R)
• M11: 7,591,643 km (0.09 R)
• M12: 8,268,574 km (0.042 R)
• M13: 10,491,897 km (0.117 R)
• M14: 11,440,647 km (0.118 R)
• M15: 11,880,315 km (0.06 R)
• M16: 15,215,450 km (0.092 R)
• M17: 15,882,656 km (0.115 R)
• M18: 18,597,858 km (0.072 R)
• M19: 20,144,550 km (0.096 R)
• M20: 20,786,774 km (0.114 R)
• M21: 22,027,688 km (0.03 R)
• M22: 27,586,296 km (0.109 R)
• M23: 35,736,388 km (0.041 R)
• M24: 39,977,637 km (0.117 R)
• M25: 42,153,838 km (0.066 R)
• M26: 42,940,573 km (0.104 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: 209 - 15,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit