🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 14.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.8 AU - 0.94 AU

Year: 524 Days

Day: 5.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,592,771 km

• M1: 195,824 km (0.073 R)
• M2: 752,477 km (0.086 R)
• M3: 1,203,515 km (0.104 R)
• M4: 1,876,705 km (0.096 R)
• M5: 2,550,344 km (0.116 R)
• M6: 3,692,524 km (0.111 R)
• M7: 4,494,070 km (0.109 R)
• M8: 5,549,632 km (0.066 R)
• M9: 6,231,948 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.7

Radius: 13

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.76 AU - 0.98 AU

Year: 524 Days

Day: 8.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,592,771 km

• M1: 161,715 km (0.114 R)
• M2: 615,296 km (0.113 R)
• M3: 1,130,362 km (0.088 R)
• M4: 1,622,688 km (0.029 R)
• M5: 2,134,462 km (0.093 R)
• M6: 2,566,202 km (0.118 R)
• M7: 2,998,390 km (0.111 R)
• M8: 3,824,470 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 8.6

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.31 AU - 1.89 AU

Year: 1307 Days

Day: 8.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,592,771 km

• M1: 106,962 km (0.093 R)
• M2: 489,783 km (0.108 R)
• M3: 1,155,793 km (0.087 R)
• M4: 1,526,497 km (0.086 R)
• M5: 2,167,224 km (0.105 R)
• M6: 2,602,105 km (0.044 R)
• M7: 2,904,443 km (0.043 R)
• M8: 3,230,416 km (0.089 R)
• M9: 3,630,292 km (0.092 R)
• M10: 3,903,457 km (0.072 R)
• M11: 4,806,580 km (0.034 R)
• M12: 5,593,165 km (0.057 R)
• M13: 5,935,445 km (0.075 R)
• M14: 6,438,244 km (0.09 R)
• M15: 8,089,355 km (0.095 R)
• M16: 8,617,436 km (0.106 R)
• M17: 10,272,736 km (0.085 R)
• M18: 10,545,004 km (0.11 R)
• M19: 10,857,065 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.4

Radius: 8.7

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.37 AU - 2.01 AU

Year: 1419 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,592,771 km

• M1: 108,159 km (0.038 R)
• M2: 397,033 km (0.095 R)
• M3: 801,994 km (0.118 R)
• M4: 1,117,646 km (0.097 R)
• M5: 1,543,252 km (0.066 R)
• M6: 1,894,956 km (0.102 R)
• M7: 2,467,916 km (0.096 R)
• M8: 2,924,788 km (0.111 R)
• M9: 3,872,191 km (0.089 R)
• M10: 4,546,429 km (0.079 R)
• M11: 5,011,229 km (0.063 R)
• M12: 5,811,728 km (0.084 R)
• M13: 7,143,149 km (0.112 R)
• M14: 7,479,295 km (0.049 R)
• M15: 9,505,748 km (0.077 R)
• M16: 10,299,065 km (0.071 R)
• M17: 10,795,730 km (0.118 R)
• M18: 11,765,723 km (0.112 R)
• M19: 12,235,311 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.3

Radius: 11.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.72 AU - 2.34 AU

Year: 1867 Days

Day: 5.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,592,771 km

• M1: 141,819 km (0.096 R)
• M2: 506,389 km (0.107 R)
• M3: 1,117,346 km (0.08 R)
• M4: 2,150,769 km (0.087 R)
• M5: 2,576,524 km (0.091 R)
• M6: 3,753,710 km (0.043 R)
• M7: 4,472,976 km (0.032 R)
• M8: 5,303,843 km (0.092 R)
• M9: 6,136,953 km (0.037 R)
• M10: 6,610,580 km (0.059 R)
• M11: 7,491,562 km (0.062 R)
• M12: 8,121,220 km (0.074 R)
• M13: 8,785,883 km (0.067 R)
• M14: 10,121,044 km (0.118 R)
• M15: 11,107,791 km (0.096 R)
• M16: 11,662,201 km (0.082 R)
• M17: 13,602,635 km (0.068 R)
• M18: 13,981,267 km (0.074 R)
• M19: 14,366,781 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.5

Radius: 8.7

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.98 AU - 4.2 AU

Year: 5341 Days

Day: 13.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 23,592,771 km

• M1: 108,159 km (0.078 R)
• M2: 407,355 km (0.104 R)
• M3: 915,838 km (0.114 R)
• M4: 1,286,093 km (0.117 R)
• M5: 1,562,251 km (0.12 R)
• M6: 2,221,678 km (0.105 R)
• M7: 2,714,154 km (0.111 R)
• M8: 3,621,016 km (0.106 R)
• M9: 4,430,491 km (0.118 R)
• M10: 4,824,083 km (0.116 R)
• M11: 5,298,009 km (0.114 R)
• M12: 5,741,865 km (0.03 R)
• M13: 7,366,498 km (0.086 R)
• M14: 8,421,612 km (0.08 R)
• M15: 8,740,704 km (0.059 R)
• M16: 11,111,382 km (0.105 R)
• M17: 12,240,397 km (0.109 R)
• M18: 12,964,002 km (0.1 R)
• M19: 19,813,939 km (0.096 R)
• M20: 21,543,290 km (0.086 R)
• M21: 21,990,887 km (0.094 R)
• M22: 22,673,801 km (0.111 R)
• M23: 23,214,747 km (0.082 R)
• M24: 23,606,394 km (0.067 R)
• M25: 30,863,088 km (0.071 R)
• M26: 31,527,452 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 13.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.91 AU - 6.45 AU

Year: 7612 Days

Day: 9 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,592,771 km

• M1: 171,738 km (0.114 R)
• M2: 652,247 km (0.109 R)
• M3: 1,102,985 km (0.067 R)
• M4: 1,873,713 km (0.091 R)
• M5: 4,145,357 km (0.082 R)
• M6: 5,006,143 km (0.101 R)
• M7: 5,463,763 km (0.109 R)
• M8: 6,934,011 km (0.118 R)
• M9: 8,065,420 km (0.116 R)
• M10: 10,349,181 km (0.103 R)
• M11: 10,843,153 km (0.074 R)
• M12: 11,666,240 km (0.081 R)
• M13: 13,847,676 km (0.078 R)
• M14: 14,387,426 km (0.11 R)
• M15: 16,288,964 km (0.111 R)
• M16: 17,300,246 km (0.107 R)
• M17: 18,931,611 km (0.073 R)
• M18: 19,973,709 km (0.103 R)
• M19: 21,607,916 km (0.089 R)
• M20: 22,498,772 km (0.08 R)
• M21: 23,498,235 km (0.075 R)
• M22: 24,964,743 km (0.056 R)
• M23: 25,945,656 km (0.116 R)
• M24: 30,127,964 km (0.087 R)
• M25: 36,075,078 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 11.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5 AU - 5.5 AU

Year: 7767 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,592,771 km

• M1: 953,088 km (0.113 R)
• M2: 1,953,599 km (0.086 R)
• M3: 2,453,255 km (0.1 R)
• M4: 4,763,795 km (0.113 R)
• M5: 5,333,912 km (0.061 R)
• M6: 8,358,183 km (0.063 R)
• M7: 9,760,064 km (0.114 R)
• M8: 12,103,066 km (0.103 R)
• M9: 12,604,069 km (0.098 R)
• M10: 16,562,429 km (0.043 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: 160 - 10,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit