🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 8.6

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.55 AU - 0.67 AU

Year: 329 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,993,485 km

• M1: 107,112 km (0.091 R)
• M2: 379,829 km (0.058 R)
• M3: 653,443 km (0.025 R)
• M4: 943,364 km (0.045 R)
• M5: 1,241,214 km (0.117 R)
• M6: 1,569,431 km (0.057 R)
• M7: 1,886,728 km (0.074 R)
• M8: 2,324,601 km (0.077 R)
• M9: 2,798,976 km (0.097 R)
• M10: 3,589,003 km (0.101 R)
• M11: 3,966,588 km (0.066 R)
• M12: 4,397,579 km (0.038 R)
• M13: 4,816,004 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.2

Radius: 11.4

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.57 AU - 0.77 AU

Year: 379 Days

Day: 13.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,993,485 km

• M1: 141,819 km (0.104 R)
• M2: 574,905 km (0.108 R)
• M3: 930,200 km (0.114 R)
• M4: 1,377,796 km (0.035 R)
• M5: 2,141,643 km (0.085 R)
• M6: 2,696,502 km (0.092 R)
• M7: 3,388,242 km (0.113 R)
• M8: 3,834,343 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 12.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.15 AU - 1.25 AU

Year: 907 Days

Day: 10.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,993,485 km

• M1: 153,039 km (0.086 R)
• M2: 554,859 km (0.092 R)
• M3: 1,053,917 km (0.094 R)
• M4: 1,623,885 km (0.033 R)
• M5: 2,156,304 km (0.078 R)
• M6: 3,381,959 km (0.068 R)
• M7: 4,007,577 km (0.108 R)
• M8: 4,796,108 km (0.051 R)
• M9: 5,227,698 km (0.1 R)
• M10: 5,823,845 km (0.084 R)
• M11: 6,379,601 km (0.069 R)
• M12: 7,526,119 km (0.114 R)
• M13: 7,962,047 km (0.119 R)
• M14: 8,595,594 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 12.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.11 AU - 1.35 AU

Year: 942 Days

Day: 14.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,993,485 km

• M1: 160,369 km (0.069 R)
• M2: 603,627 km (0.108 R)
• M3: 1,092,812 km (0.096 R)
• M4: 1,594,564 km (0.1 R)
• M5: 2,107,834 km (0.084 R)
• M6: 3,376,125 km (0.112 R)
• M7: 3,810,707 km (0.112 R)
• M8: 4,250,225 km (0.109 R)
• M9: 4,671,194 km (0.105 R)
• M10: 5,138,836 km (0.086 R)
• M11: 5,757,124 km (0.092 R)
• M12: 6,274,434 km (0.111 R)
• M13: 7,766,373 km (0.069 R)
• M14: 8,373,142 km (0.097 R)
• M15: 9,011,477 km (0.083 R)
• M16: 9,710,697 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 11.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.44 AU - 2.04 AU

Year: 1584 Days

Day: 6.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,993,485 km

• M1: 147,952 km (0.067 R)
• M2: 618,587 km (0.094 R)
• M3: 1,015,620 km (0.108 R)
• M4: 1,437,636 km (0.076 R)
• M5: 1,863,541 km (0.043 R)
• M6: 2,286,454 km (0.099 R)
• M7: 3,330,049 km (0.097 R)
• M8: 4,405,508 km (0.09 R)
• M9: 4,829,767 km (0.081 R)
• M10: 6,032,983 km (0.073 R)
• M11: 7,041,721 km (0.085 R)
• M12: 7,524,773 km (0.089 R)
• M13: 7,978,204 km (0.104 R)
• M14: 8,396,779 km (0.028 R)
• M15: 10,311,033 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 10.2

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.7 AU - 2.1 AU

Year: 1808 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,993,485 km

• M1: 127,158 km (0.092 R)
• M2: 498,311 km (0.089 R)
• M3: 967,001 km (0.063 R)
• M4: 1,316,910 km (0.099 R)
• M5: 2,045,003 km (0.107 R)
• M6: 2,874,373 km (0.111 R)
• M7: 3,238,196 km (0.064 R)
• M8: 4,152,538 km (0.094 R)
• M9: 5,056,707 km (0.098 R)
• M10: 5,918,241 km (0.098 R)
• M11: 7,007,912 km (0.086 R)
• M12: 9,124,273 km (0.06 R)
• M13: 9,547,486 km (0.109 R)
• M14: 9,881,987 km (0.091 R)
• M15: 10,896,260 km (0.091 R)
• M16: 11,298,828 km (0.071 R)
• M17: 12,565,922 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 14.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.35 AU - 2.39 AU

Year: 2518 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,993,485 km

• M1: 175,329 km (0.096 R)
• M2: 684,410 km (0.097 R)
• M3: 1,238,970 km (0.089 R)
• M4: 1,745,508 km (0.082 R)
• M5: 2,509,504 km (0.119 R)
• M6: 3,258,092 km (0.06 R)
• M7: 3,765,229 km (0.091 R)
• M8: 5,048,779 km (0.104 R)
• M9: 5,590,622 km (0.072 R)
• M10: 6,450,511 km (0.059 R)
• M11: 6,953,459 km (0.051 R)
• M12: 7,597,178 km (0.119 R)
• M13: 8,098,331 km (0.043 R)
• M14: 8,621,624 km (0.118 R)
• M15: 9,839,052 km (0.095 R)
• M16: 10,651,817 km (0.088 R)
• M17: 11,093,430 km (0.074 R)
• M18: 11,739,992 km (0.067 R)
• M19: 12,573,252 km (0.058 R)
• M20: 13,318,549 km (0.072 R)
• M21: 15,357,717 km (0.052 R)
• M22: 16,209,827 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 14.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.4 AU - 3.92 AU

Year: 4833 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,993,485 km

• M1: 175,329 km (0.051 R)
• M2: 669,750 km (0.052 R)
• M3: 1,816,118 km (0.118 R)
• M4: 2,311,586 km (0.042 R)
• M5: 3,039,380 km (0.086 R)
• M6: 3,528,864 km (0.107 R)
• M7: 4,583,230 km (0.064 R)
• M8: 5,161,426 km (0.044 R)
• M9: 5,614,408 km (0.102 R)
• M10: 6,546,403 km (0.104 R)
• M11: 8,230,426 km (0.096 R)
• M12: 8,817,897 km (0.098 R)
• M13: 12,995,417 km (0.055 R)
• M14: 14,204,916 km (0.07 R)
• M15: 15,537,235 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.9

Radius: 13.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.63 AU - 4.75 AU

Year: 5920 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,993,485 km

• M1: 171,738 km (0.102 R)
• M2: 1,098,048 km (0.027 R)
• M3: 1,675,347 km (0.083 R)
• M4: 2,105,141 km (0.079 R)
• M5: 3,032,349 km (0.118 R)
• M6: 3,681,454 km (0.085 R)
• M7: 5,233,831 km (0.1 R)
• M8: 6,651,271 km (0.08 R)
• M9: 7,187,430 km (0.111 R)
• M10: 7,650,585 km (0.074 R)
• M11: 8,454,972 km (0.082 R)
• M12: 11,474,905 km (0.12 R)
• M13: 12,959,514 km (0.108 R)
• M14: 15,313,436 km (0.062 R)
• M15: 17,168,899 km (0.084 R)
• M16: 20,588,108 km (0.077 R)
• M17: 21,322,783 km (0.111 R)
• M18: 22,213,489 km (0.112 R)
• M19: 24,363,659 km (0.07 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.7

Radius: 8.4

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.22 AU - 5.8 AU

Year: 8928 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,993,485 km

• M1: 104,419 km (0.114 R)
• M2: 374,593 km (0.088 R)
• M3: 774,767 km (0.115 R)
• M4: 1,167,013 km (0.067 R)
• M5: 1,601,296 km (0.098 R)
• M6: 2,510,551 km (0.105 R)
• M7: 3,192,419 km (0.095 R)
• M8: 4,128,452 km (0.086 R)
• M9: 4,497,510 km (0.12 R)
• M10: 6,345,493 km (0.106 R)
• M11: 7,478,996 km (0.111 R)
• M12: 11,081,612 km (0.075 R)
• M13: 13,377,790 km (0.116 R)
• M14: 14,124,283 km (0.111 R)
• M15: 14,572,329 km (0.066 R)
• M16: 17,028,127 km (0.098 R)
• M17: 17,317,001 km (0.034 R)
• M18: 18,429,560 km (0.084 R)
• M19: 19,042,014 km (0.044 R)
• M20: 20,066,161 km (0.095 R)
• M21: 26,316,210 km (0.053 R)
• M22: 26,897,248 km (0.111 R)
• M23: 34,667,661 km (0.101 R)
• M24: 35,132,013 km (0.042 R)
• M25: 38,624,375 km (0.091 R)
• M26: 39,880,249 km (0.046 R)
• M27: 40,518,434 km (0.071 R)
• M28: 41,033,798 km (0.073 R)
• M29: 42,473,678 km (0.12 R)
• M30: 45,177,211 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 19,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit