🌌 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: 354.7

Radius: 8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.61 AU - 0.83 AU

Year: 414 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,097,458 km

• M1: 99,483 km (0.118 R)
• M2: 383,868 km (0.093 R)
• M3: 633,248 km (0.12 R)
• M4: 1,113,008 km (0.065 R)
• M5: 1,413,700 km (0.057 R)
• M6: 2,166,327 km (0.117 R)
• M7: 2,604,200 km (0.109 R)
• M8: 3,018,137 km (0.079 R)
• M9: 3,520,337 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 13.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.8 AU - 1.24 AU

Year: 699 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,097,458 km

• M1: 170,392 km (0.075 R)
• M2: 690,693 km (0.1 R)
• M3: 1,191,098 km (0.085 R)
• M4: 1,777,372 km (0.097 R)
• M5: 2,236,189 km (0.065 R)
• M6: 2,775,041 km (0.029 R)
• M7: 3,466,482 km (0.103 R)
• M8: 3,911,536 km (0.051 R)
• M9: 4,570,365 km (0.115 R)
• M10: 5,003,899 km (0.068 R)
• M11: 6,130,970 km (0.104 R)
• M12: 7,022,573 km (0.103 R)
• M13: 7,534,198 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.7

Radius: 14.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.41 AU - 1.45 AU

Year: 1160 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,097,458 km

• M1: 175,478 km (0.103 R)
• M2: 654,191 km (0.116 R)
• M3: 1,121,236 km (0.105 R)
• M4: 1,795,773 km (0.086 R)
• M5: 2,327,892 km (0.085 R)
• M6: 2,792,543 km (0.107 R)
• M7: 3,278,886 km (0.101 R)
• M8: 3,974,815 km (0.066 R)
• M9: 4,492,274 km (0.101 R)
• M10: 5,165,315 km (0.059 R)
• M11: 5,663,925 km (0.087 R)
• M12: 6,173,755 km (0.119 R)
• M13: 6,871,030 km (0.032 R)
• M14: 9,227,496 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 12.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.19 AU - 1.77 AU

Year: 1221 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,097,458 km

• M1: 157,826 km (0.101 R)
• M2: 574,755 km (0.12 R)
• M3: 1,104,631 km (0.096 R)
• M4: 1,637,947 km (0.102 R)
• M5: 2,066,695 km (0.115 R)
• M6: 2,795,386 km (0.096 R)
• M7: 3,613,088 km (0.092 R)
• M8: 4,734,473 km (0.104 R)
• M9: 5,434,292 km (0.066 R)
• M10: 5,968,057 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.6

Radius: 8.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.53 AU - 2.21 AU

Year: 1734 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,097,458 km

• M1: 109,655 km (0.114 R)
• M2: 386,710 km (0.079 R)
• M3: 892,202 km (0.116 R)
• M4: 1,583,942 km (0.084 R)
• M5: 1,982,471 km (0.113 R)
• M6: 2,858,516 km (0.07 R)
• M7: 3,285,768 km (0.086 R)
• M8: 3,562,374 km (0.046 R)
• M9: 3,887,899 km (0.066 R)
• M10: 4,487,188 km (0.037 R)
• M11: 4,867,616 km (0.073 R)
• M12: 5,228,296 km (0.106 R)
• M13: 5,825,042 km (0.114 R)
• M14: 6,779,626 km (0.066 R)
• M15: 7,515,348 km (0.114 R)
• M16: 8,053,153 km (0.107 R)
• M17: 10,043,253 km (0.084 R)
• M18: 11,834,089 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39

Radius: 13.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.16 AU - 3.22 AU

Year: 3864 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,097,458 km

• M1: 170,542 km (0.069 R)
• M2: 681,418 km (0.067 R)
• M3: 1,468,154 km (0.074 R)
• M4: 2,164,831 km (0.101 R)
• M5: 2,921,497 km (0.074 R)
• M6: 3,524,376 km (0.067 R)
• M7: 4,356,888 km (0.093 R)
• M8: 8,154,580 km (0.112 R)
• M9: 9,025,240 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 14.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.61 AU - 3.79 AU

Year: 4827 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,097,458 km

• M1: 184,155 km (0.051 R)
• M2: 784,940 km (0.045 R)
• M3: 1,431,801 km (0.11 R)
• M4: 2,560,517 km (0.067 R)
• M5: 3,158,909 km (0.057 R)
• M6: 4,373,045 km (0.079 R)
• M7: 4,991,333 km (0.104 R)
• M8: 5,693,845 km (0.112 R)
• M9: 6,576,771 km (0.074 R)
• M10: 7,645,199 km (0.094 R)
• M11: 10,243,714 km (0.118 R)
• M12: 11,089,391 km (0.057 R)
• M13: 11,981,293 km (0.091 R)
• M14: 12,920,469 km (0.109 R)
• M15: 14,544,503 km (0.061 R)
• M16: 15,981,241 km (0.104 R)
• M17: 17,454,481 km (0.112 R)
• M18: 18,137,695 km (0.09 R)
• M19: 18,602,944 km (0.037 R)
• M20: 19,076,122 km (0.115 R)
• M21: 21,955,582 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 11.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.23 AU - 6.07 AU

Year: 7927 Days

Day: 7 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,097,458 km

• M1: 144,661 km (0.111 R)
• M2: 506,389 km (0.108 R)
• M3: 1,008,140 km (0.11 R)
• M4: 1,891,067 km (0.043 R)
• M5: 2,343,002 km (0.108 R)
• M6: 2,984,328 km (0.082 R)
• M7: 4,920,124 km (0.084 R)
• M8: 5,265,546 km (0.113 R)
• M9: 5,751,739 km (0.065 R)
• M10: 7,693,519 km (0.099 R)
• M11: 8,939,221 km (0.089 R)
• M12: 9,368,417 km (0.065 R)
• M13: 10,038,167 km (0.117 R)
• M14: 14,510,545 km (0.043 R)
• M15: 19,154,661 km (0.094 R)
• M16: 24,040,827 km (0.118 R)
• M17: 26,505,900 km (0.115 R)
• M18: 27,125,236 km (0.092 R)
• M19: 28,669,534 km (0.066 R)
• M20: 29,228,432 km (0.114 R)
• M21: 31,241,720 km (0.045 R)
• M22: 33,141,314 km (0.026 R)
• M23: 33,550,913 km (0.11 R)
• M24: 34,067,624 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727

Radius: 4.2

Gravity: 41.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.96 AU - 7.88 AU

Year: 13709 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 52.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,097,458 km

• M1: 52,359 km (0.073 R)
• M2: 685,457 km (0.066 R)
• M3: 864,975 km (0.102 R)
• M4: 1,111,811 km (0.115 R)
• M5: 2,046,200 km (0.064 R)
• M6: 3,465,734 km (0.109 R)
• M7: 5,472,739 km (0.077 R)
• M8: 6,929,673 km (0.098 R)
• M9: 7,678,560 km (0.087 R)
• M10: 8,825,526 km (0.116 R)
• M11: 10,469,906 km (0.086 R)
• M12: 11,275,341 km (0.062 R)
• M13: 12,370,547 km (0.062 R)
• M14: 12,623,218 km (0.07 R)
• M15: 12,943,806 km (0.085 R)
• M16: 13,269,930 km (0.109 R)
• M17: 13,938,482 km (0.065 R)
• M18: 19,175,305 km (0.055 R)
• M19: 23,697,051 km (0.031 R)
• M20: 25,079,933 km (0.114 R)
• M21: 28,440,650 km (0.077 R)
• M22: 28,880,767 km (0.104 R)
• M23: 30,917,691 km (0.111 R)
• M24: 33,291,061 km (0.085 R)
• M25: 37,074,242 km (0.085 R)
• M26: 37,336,188 km (0.085 R)
• M27: 39,749,501 km (0.08 R)
• M28: 41,980,304 km (0.098 R)
• M29: 43,707,112 km (0.081 R)
• M30: 48,230,054 km (0.055 R)
• M31: 58,368,900 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.9

Radius: 7.1

Gravity: 17.81 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.31 AU - 9.51 AU

Year: 19578 Days

Day: 20 Hours

Environment

Temp: -224 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,097,458 km

• M1: 88,263 km (0.077 R)
• M2: 333,154 km (0.059 R)
• M3: 1,112,410 km (0.117 R)
• M4: 1,354,310 km (0.102 R)
• M5: 1,580,202 km (0.065 R)
• M6: 1,907,971 km (0.081 R)
• M7: 3,116,572 km (0.116 R)
• M8: 3,819,682 km (0.093 R)
• M9: 6,700,040 km (0.118 R)
• M10: 7,711,770 km (0.115 R)
• M11: 12,023,181 km (0.088 R)
• M12: 18,158,938 km (0.045 R)
• M13: 19,728,070 km (0.091 R)
• M14: 24,314,441 km (0.084 R)
• M15: 26,447,557 km (0.109 R)
• M16: 31,082,249 km (0.116 R)
• M17: 34,135,242 km (0.057 R)
• M18: 40,522,024 km (0.109 R)
• M19: 46,810,819 km (0.1 R)
• M20: 47,149,808 km (0.106 R)
• M21: 47,490,442 km (0.097 R)
• M22: 48,522,069 km (0.091 R)
• M23: 57,707,528 km (0.075 R)
• M24: 72,192,192 km (0.106 R)
• M25: 73,784,363 km (0.06 R)
• M26: 76,099,240 km (0.07 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 16,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit