🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 12.2

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 11.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,787,839 km

• M1: 151,692 km (0.089 R)
• M2: 575,802 km (0.088 R)
• M3: 1,060,499 km (0.075 R)
• M4: 1,851,423 km (0.083 R)
• M5: 2,492,151 km (0.103 R)
• M6: 3,050,001 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 14.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.93 AU - 1.09 AU

Year: 688 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,787,839 km

• M1: 185,352 km (0.109 R)
• M2: 665,262 km (0.081 R)
• M3: 1,589,178 km (0.03 R)
• M4: 2,147,477 km (0.088 R)
• M5: 2,872,878 km (0.118 R)
• M6: 3,340,969 km (0.106 R)
• M7: 4,273,562 km (0.112 R)
• M8: 5,392,554 km (0.068 R)
• M9: 6,548,796 km (0.076 R)
• M10: 7,095,876 km (0.078 R)
• M11: 8,133,187 km (0.042 R)
• M12: 8,740,405 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 11

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.95 AU - 1.25 AU

Year: 782 Days

Day: 14.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,787,839 km

• M1: 136,882 km (0.054 R)
• M2: 515,664 km (0.098 R)
• M3: 859,739 km (0.04 R)
• M4: 1,339,499 km (0.111 R)
• M5: 1,949,709 km (0.107 R)
• M6: 2,340,459 km (0.058 R)
• M7: 2,783,568 km (0.063 R)
• M8: 3,295,342 km (0.045 R)
• M9: 3,684,745 km (0.051 R)
• M10: 4,104,816 km (0.034 R)
• M11: 4,921,770 km (0.113 R)
• M12: 6,561,512 km (0.066 R)
• M13: 7,723,588 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 12.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.01 AU - 1.39 AU

Year: 892 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,787,839 km

• M1: 159,172 km (0.114 R)
• M2: 575,952 km (0.109 R)
• M3: 1,012,927 km (0.098 R)
• M4: 1,798,466 km (0.06 R)
• M5: 2,652,969 km (0.117 R)
• M6: 3,135,272 km (0.084 R)
• M7: 3,576,885 km (0.062 R)
• M8: 4,294,356 km (0.111 R)
• M9: 4,824,382 km (0.051 R)
• M10: 5,379,390 km (0.112 R)
• M11: 6,158,346 km (0.098 R)
• M12: 7,396,717 km (0.077 R)

Asteroid Belt

Center: 1.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 12.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.49 AU - 2.63 AU

Year: 2778 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,787,839 km

• M1: 155,731 km (0.081 R)
• M2: 638,783 km (0.031 R)
• M3: 1,182,721 km (0.091 R)
• M4: 1,803,702 km (0.088 R)
• M5: 2,197,742 km (0.033 R)
• M6: 2,650,126 km (0.088 R)
• M7: 3,410,682 km (0.103 R)
• M8: 4,461,906 km (0.058 R)
• M9: 6,640,649 km (0.115 R)
• M10: 7,565,912 km (0.071 R)
• M11: 11,101,060 km (0.107 R)
• M12: 11,887,645 km (0.075 R)
• M13: 14,422,880 km (0.094 R)
• M14: 16,127,249 km (0.119 R)
• M15: 17,463,457 km (0.118 R)
• M16: 19,338,666 km (0.096 R)
• M17: 20,234,010 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.9

Radius: 14.4

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.86 AU - 5.96 AU

Year: 8535 Days

Day: 7.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,787,839 km

• M1: 179,069 km (0.082 R)
• M2: 673,938 km (0.106 R)
• M3: 2,174,704 km (0.112 R)
• M4: 2,697,848 km (0.107 R)
• M5: 3,190,175 km (0.073 R)
• M6: 3,871,443 km (0.107 R)
• M7: 4,678,075 km (0.09 R)
• M8: 5,661,831 km (0.113 R)
• M9: 6,149,370 km (0.086 R)
• M10: 7,411,228 km (0.098 R)
• M11: 8,344,270 km (0.067 R)
• M12: 9,354,205 km (0.063 R)
• M13: 9,889,018 km (0.088 R)
• M14: 10,495,637 km (0.092 R)
• M15: 11,343,259 km (0.098 R)
• M16: 11,839,774 km (0.061 R)
• M17: 13,417,283 km (0.077 R)
• M18: 14,803,009 km (0.092 R)
• M19: 17,346,023 km (0.112 R)
• M20: 18,531,287 km (0.109 R)
• M21: 22,932,007 km (0.114 R)
• M22: 24,268,365 km (0.087 R)
• M23: 28,185,735 km (0.078 R)
• M24: 33,623,468 km (0.069 R)
• M25: 34,650,607 km (0.087 R)
• M26: 37,735,913 km (0.108 R)
• M27: 42,041,041 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.5

Radius: 4.5

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.2 AU - 6.1 AU

Year: 9109 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 37,787,839 km

• M1: 65,823 km (0.052 R)
• M2: 248,033 km (0.104 R)
• M3: 410,347 km (0.03 R)
• M4: 674,238 km (0.06 R)
• M5: 920,326 km (0.074 R)
• M6: 2,159,296 km (0.087 R)
• M7: 2,381,299 km (0.087 R)
• M8: 3,140,359 km (0.083 R)
• M9: 3,425,941 km (0.07 R)
• M10: 3,681,005 km (0.097 R)
• M11: 4,074,298 km (0.099 R)
• M12: 4,944,359 km (0.097 R)
• M13: 5,361,438 km (0.111 R)
• M14: 6,646,783 km (0.046 R)
• M15: 8,044,177 km (0.097 R)
• M16: 8,453,028 km (0.071 R)
• M17: 9,490,639 km (0.114 R)
• M18: 9,808,684 km (0.097 R)
• M19: 10,418,145 km (0.108 R)
• M20: 10,658,998 km (0.104 R)
• M21: 11,920,108 km (0.072 R)
• M22: 12,397,475 km (0.058 R)
• M23: 13,503,601 km (0.106 R)
• M24: 14,613,917 km (0.116 R)
• M25: 15,283,966 km (0.059 R)
• M26: 16,359,126 km (0.069 R)
• M27: 18,378,098 km (0.069 R)
• M28: 21,320,090 km (0.071 R)
• M29: 21,865,374 km (0.068 R)
• M30: 23,639,306 km (0.115 R)
• M31: 24,223,336 km (0.092 R)
• M32: 25,856,945 km (0.064 R)
• M33: 27,288,297 km (0.058 R)
• M34: 29,341,678 km (0.112 R)
• M35: 33,963,055 km (0.088 R)
• M36: 36,556,334 km (0.098 R)
• M37: 37,561,931 km (0.085 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 16,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit