🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 8.4

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.78 AU - 0.8 AU

Year: 468 Days

Day: 6.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,020,642 km

• M1: 105,167 km (0.029 R)
• M2: 558,449 km (0.113 R)
• M3: 1,020,407 km (0.073 R)
• M4: 1,431,652 km (0.082 R)
• M5: 1,877,453 km (0.067 R)
• M6: 2,227,064 km (0.085 R)
• M7: 2,559,620 km (0.082 R)
• M8: 3,827,312 km (0.098 R)
• M9: 4,124,264 km (0.08 R)
• M10: 4,569,018 km (0.095 R)
• M11: 5,254,775 km (0.116 R)
• M12: 5,622,486 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 13.2

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.41 AU - 1.67 AU

Year: 1274 Days

Day: 7.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,020,642 km

• M1: 164,109 km (0.106 R)
• M2: 600,187 km (0.109 R)
• M3: 1,227,151 km (0.074 R)
• M4: 1,831,976 km (0.062 R)
• M5: 2,397,605 km (0.097 R)
• M6: 3,160,105 km (0.061 R)
• M7: 4,030,017 km (0.078 R)
• M8: 4,865,820 km (0.11 R)
• M9: 5,505,202 km (0.073 R)
• M10: 6,535,033 km (0.099 R)
• M11: 7,791,356 km (0.112 R)
• M12: 8,315,248 km (0.099 R)
• M13: 9,347,025 km (0.091 R)
• M14: 9,939,283 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 10.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.51 AU - 1.87 AU

Year: 1465 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,020,642 km

• M1: 132,993 km (0.097 R)
• M2: 482,603 km (0.096 R)
• M3: 857,495 km (0.117 R)
• M4: 1,268,440 km (0.061 R)
• M5: 3,232,361 km (0.116 R)
• M6: 4,618,385 km (0.089 R)
• M7: 5,965,813 km (0.118 R)
• M8: 6,635,414 km (0.038 R)
• M9: 6,999,535 km (0.095 R)
• M10: 7,467,627 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 10.1

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.87 AU - 3.23 AU

Year: 3552 Days

Day: 12.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,020,642 km

• M1: 125,662 km (0.064 R)
• M2: 532,269 km (0.044 R)
• M3: 931,396 km (0.085 R)
• M4: 2,403,739 km (0.092 R)
• M5: 2,725,673 km (0.092 R)
• M6: 3,040,278 km (0.112 R)
• M7: 3,359,669 km (0.095 R)
• M8: 3,806,518 km (0.114 R)
• M9: 5,580,599 km (0.113 R)
• M10: 5,975,537 km (0.097 R)
• M11: 6,789,948 km (0.059 R)
• M12: 7,642,506 km (0.119 R)
• M13: 8,528,126 km (0.119 R)
• M14: 9,207,151 km (0.117 R)
• M15: 9,800,007 km (0.075 R)
• M16: 12,335,242 km (0.114 R)
• M17: 13,703,315 km (0.063 R)
• M18: 15,552,494 km (0.118 R)
• M19: 17,562,192 km (0.066 R)
• M20: 18,785,453 km (0.1 R)
• M21: 19,481,981 km (0.102 R)
• M22: 20,327,209 km (0.065 R)
• M23: 21,606,271 km (0.059 R)
• M24: 22,021,106 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 11.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.76 AU - 3.9 AU

Year: 4998 Days

Day: 10 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,020,642 km

• M1: 141,819 km (0.074 R)
• M2: 549,323 km (0.1 R)
• M3: 982,559 km (0.034 R)
• M4: 1,683,425 km (0.105 R)
• M5: 2,139,399 km (0.105 R)
• M6: 2,660,897 km (0.106 R)
• M7: 3,768,071 km (0.053 R)
• M8: 5,081,391 km (0.118 R)
• M9: 5,453,142 km (0.117 R)
• M10: 9,708,752 km (0.119 R)
• M11: 10,200,032 km (0.028 R)
• M12: 11,143,695 km (0.083 R)
• M13: 12,763,840 km (0.041 R)
• M14: 16,066,811 km (0.036 R)
• M15: 16,523,384 km (0.085 R)
• M16: 18,251,539 km (0.027 R)
• M17: 18,811,633 km (0.114 R)
• M18: 20,229,073 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 11.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.25 AU - 4.83 AU

Year: 5415 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,020,642 km

• M1: 141,819 km (0.043 R)
• M2: 665,411 km (0.087 R)
• M3: 1,332,468 km (0.057 R)
• M4: 2,062,057 km (0.086 R)
• M5: 3,475,757 km (0.102 R)
• M6: 4,193,976 km (0.091 R)
• M7: 4,564,829 km (0.111 R)
• M8: 7,176,359 km (0.093 R)
• M9: 8,855,446 km (0.117 R)
• M10: 9,988,949 km (0.091 R)
• M11: 14,330,578 km (0.071 R)
• M12: 17,322,386 km (0.104 R)
• M13: 17,918,833 km (0.026 R)
• M14: 18,714,694 km (0.11 R)
• M15: 19,342,855 km (0.107 R)
• M16: 22,909,418 km (0.051 R)
• M17: 24,066,857 km (0.102 R)
• M18: 25,491,477 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.5

Radius: 14.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.17 AU - 5.59 AU

Year: 7189 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,020,642 km

• M1: 179,069 km (0.105 R)
• M2: 645,515 km (0.093 R)
• M3: 1,121,236 km (0.082 R)
• M4: 1,653,356 km (0.102 R)
• M5: 2,864,201 km (0.082 R)
• M6: 3,491,315 km (0.11 R)
• M7: 6,137,701 km (0.086 R)
• M8: 6,824,655 km (0.035 R)
• M9: 7,677,512 km (0.088 R)
• M10: 8,352,797 km (0.095 R)
• M11: 9,024,342 km (0.083 R)
• M12: 10,715,845 km (0.089 R)
• M13: 11,920,856 km (0.109 R)
• M14: 12,718,811 km (0.094 R)
• M15: 14,779,372 km (0.055 R)
• M16: 16,464,891 km (0.1 R)
• M17: 19,993,157 km (0.094 R)
• M18: 21,660,425 km (0.11 R)
• M19: 22,607,978 km (0.119 R)
• M20: 24,332,542 km (0.084 R)
• M21: 25,443,157 km (0.072 R)
• M22: 26,946,167 km (0.04 R)
• M23: 29,167,994 km (0.12 R)
• M24: 34,184,759 km (0.082 R)
• M25: 35,252,888 km (0.069 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 18,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit