🌌 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: 407.7

Radius: 10.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.62 AU - 0.82 AU

Year: 388 Days

Day: 12.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,507,495 km

• M1: 132,245 km (0.07 R)
• M2: 504,145 km (0.08 R)
• M3: 875,297 km (0.094 R)
• M4: 1,207,704 km (0.108 R)
• M5: 1,753,437 km (0.102 R)
• M6: 2,510,551 km (0.099 R)
• M7: 3,407,092 km (0.038 R)
• M8: 3,971,674 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.4

Radius: 9.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.98 AU - 1.14 AU

Year: 694 Days

Day: 6.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,507,495 km

• M1: 115,639 km (0.106 R)
• M2: 505,641 km (0.118 R)
• M3: 799,451 km (0.078 R)
• M4: 2,047,097 km (0.109 R)
• M5: 2,368,284 km (0.083 R)
• M6: 4,948,099 km (0.093 R)
• M7: 6,858,614 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 13.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.01 AU - 2.27 AU

Year: 1990 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,507,495 km

• M1: 177,722 km (0.086 R)
• M2: 650,900 km (0.105 R)
• M3: 1,551,180 km (0.118 R)
• M4: 2,053,530 km (0.066 R)
• M5: 2,622,451 km (0.084 R)
• M6: 3,085,606 km (0.097 R)
• M7: 3,603,663 km (0.077 R)
• M8: 5,758,620 km (0.089 R)
• M9: 7,916,121 km (0.12 R)
• M10: 9,026,885 km (0.039 R)
• M11: 9,533,872 km (0.092 R)
• M12: 10,203,173 km (0.117 R)
• M13: 10,828,343 km (0.07 R)
• M14: 11,479,093 km (0.104 R)
• M15: 11,994,159 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 8.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.96 AU - 3.86 AU

Year: 4004 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,507,495 km

• M1: 100,829 km (0.108 R)
• M2: 512,672 km (0.112 R)
• M3: 771,177 km (0.119 R)
• M4: 1,087,876 km (0.04 R)
• M5: 1,383,930 km (0.112 R)
• M6: 2,028,697 km (0.075 R)
• M7: 2,301,862 km (0.08 R)
• M8: 2,555,580 km (0.045 R)
• M9: 2,955,456 km (0.089 R)
• M10: 3,291,004 km (0.109 R)
• M11: 5,588,378 km (0.114 R)
• M12: 5,945,618 km (0.089 R)
• M13: 6,372,570 km (0.088 R)
• M14: 6,791,145 km (0.118 R)
• M15: 7,808,111 km (0.088 R)
• M16: 8,190,184 km (0.1 R)
• M17: 8,820,590 km (0.1 R)
• M18: 11,506,470 km (0.041 R)
• M19: 12,771,021 km (0.101 R)
• M20: 13,618,493 km (0.095 R)
• M21: 13,893,753 km (0.096 R)
• M22: 14,838,164 km (0.111 R)
• M23: 16,129,044 km (0.12 R)
• M24: 16,749,426 km (0.114 R)
• M25: 17,873,206 km (0.104 R)
• M26: 18,148,017 km (0.062 R)
• M27: 18,819,113 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 13.9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.33 AU - 4.15 AU

Year: 4599 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,507,495 km

• M1: 173,234 km (0.079 R)
• M2: 811,269 km (0.079 R)
• M3: 1,294,620 km (0.104 R)
• M4: 2,924,339 km (0.093 R)
• M5: 3,546,218 km (0.087 R)
• M6: 4,182,906 km (0.047 R)
• M7: 4,814,957 km (0.057 R)
• M8: 5,481,116 km (0.086 R)
• M9: 7,967,433 km (0.097 R)
• M10: 8,942,362 km (0.105 R)
• M11: 9,607,026 km (0.062 R)
• M12: 10,083,046 km (0.078 R)
• M13: 11,558,081 km (0.11 R)
• M14: 12,550,364 km (0.117 R)
• M15: 15,455,255 km (0.108 R)
• M16: 16,049,907 km (0.087 R)
• M17: 17,284,987 km (0.09 R)
• M18: 17,731,836 km (0.118 R)
• M19: 20,648,994 km (0.051 R)
• M20: 22,184,167 km (0.078 R)
• M21: 24,030,355 km (0.049 R)
• M22: 24,587,607 km (0.094 R)
• M23: 27,677,850 km (0.063 R)
• M24: 29,001,342 km (0.065 R)
• M25: 29,633,244 km (0.108 R)
• M26: 31,965,325 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 12.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.3 AU - 4.24 AU

Year: 4654 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,507,495 km

• M1: 151,991 km (0.086 R)
• M2: 1,096,852 km (0.116 R)
• M3: 1,620,893 km (0.084 R)
• M4: 2,418,250 km (0.099 R)
• M5: 4,041,087 km (0.083 R)
• M6: 4,438,270 km (0.106 R)
• M7: 5,096,799 km (0.116 R)
• M8: 5,646,721 km (0.063 R)
• M9: 6,577,370 km (0.102 R)
• M10: 7,063,263 km (0.07 R)
• M11: 9,903,529 km (0.06 R)
• M12: 12,432,331 km (0.103 R)
• M13: 13,278,457 km (0.047 R)
• M14: 16,047,962 km (0.029 R)
• M15: 20,243,883 km (0.117 R)
• M16: 20,720,651 km (0.095 R)
• M17: 24,270,609 km (0.118 R)
• M18: 25,670,695 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 9.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.5 AU - 5.18 AU

Year: 5749 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,507,495 km

• M1: 120,725 km (0.076 R)
• M2: 453,132 km (0.089 R)
• M3: 943,963 km (0.061 R)
• M4: 1,288,935 km (0.096 R)
• M5: 1,756,429 km (0.075 R)
• M6: 2,052,034 km (0.054 R)
• M7: 2,509,504 km (0.09 R)
• M8: 3,505,078 km (0.101 R)
• M9: 4,161,663 km (0.119 R)
• M10: 4,744,347 km (0.07 R)
• M11: 5,189,251 km (0.039 R)
• M12: 5,519,862 km (0.101 R)
• M13: 11,900,211 km (0.081 R)
• M14: 14,374,261 km (0.104 R)
• M15: 14,918,348 km (0.07 R)
• M16: 15,817,282 km (0.055 R)
• M17: 17,111,902 km (0.092 R)
• M18: 18,539,365 km (0.102 R)
• M19: 19,380,554 km (0.116 R)
• M20: 22,634,607 km (0.077 R)
• M21: 24,737,205 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 12.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.27 AU - 5.27 AU

Year: 7692 Days

Day: 14 Hours

Environment

Temp: -215 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,507,495 km

• M1: 153,936 km (0.079 R)
• M2: 588,817 km (0.114 R)
• M3: 1,366,577 km (0.11 R)
• M4: 1,858,006 km (0.106 R)
• M5: 2,348,387 km (0.1 R)
• M6: 3,043,120 km (0.064 R)
• M7: 3,918,118 km (0.1 R)
• M8: 5,067,029 km (0.075 R)
• M9: 6,462,179 km (0.061 R)
• M10: 7,230,963 km (0.054 R)
• M11: 7,943,348 km (0.074 R)
• M12: 9,508,141 km (0.043 R)
• M13: 10,363,542 km (0.083 R)
• M14: 12,227,681 km (0.119 R)
• M15: 13,403,969 km (0.106 R)
• M16: 14,191,004 km (0.108 R)
• M17: 16,105,557 km (0.119 R)
• M18: 17,320,741 km (0.082 R)
• M19: 18,390,515 km (0.11 R)
• M20: 19,151,370 km (0.113 R)
• M21: 20,149,786 km (0.116 R)
• M22: 25,754,919 km (0.052 R)
• M23: 26,707,409 km (0.106 R)
• M24: 29,144,657 km (0.084 R)
• M25: 32,320,470 km (0.065 R)
• M26: 32,720,345 km (0.058 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: 443 - 13,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit