🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.5

Radius: 10.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.56 AU - 0.9 AU

Year: 423 Days

Day: 8.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,136,644 km

• M1: 135,536 km (0.099 R)
• M2: 614,099 km (0.113 R)
• M3: 1,285,644 km (0.066 R)
• M4: 1,639,443 km (0.077 R)
• M5: 2,203,277 km (0.083 R)
• M6: 2,589,539 km (0.097 R)
• M7: 3,220,543 km (0.117 R)
• M8: 4,069,960 km (0.101 R)
• M9: 4,526,233 km (0.089 R)
• M10: 4,985,648 km (0.113 R)
• M11: 5,574,615 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.9

Radius: 13.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.74 AU - 0.94 AU

Year: 522 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,136,644 km

• M1: 173,085 km (0.073 R)
• M2: 713,582 km (0.084 R)
• M3: 1,307,485 km (0.07 R)
• M4: 1,764,656 km (0.101 R)
• M5: 2,338,813 km (0.03 R)
• M6: 3,036,538 km (0.051 R)
• M7: 3,998,901 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.9

Radius: 13.7

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.4 AU - 2.46 AU

Year: 2569 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,136,644 km

• M1: 170,392 km (0.119 R)
• M2: 755,469 km (0.109 R)
• M3: 1,259,764 km (0.091 R)
• M4: 2,836,226 km (0.109 R)
• M5: 3,449,278 km (0.082 R)
• M6: 4,827,523 km (0.055 R)
• M7: 5,278,710 km (0.072 R)
• M8: 7,560,527 km (0.044 R)
• M9: 8,237,756 km (0.06 R)
• M10: 9,639,937 km (0.086 R)
• M11: 10,243,415 km (0.082 R)
• M12: 13,835,409 km (0.032 R)
• M13: 14,409,417 km (0.089 R)
• M14: 20,253,158 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.9

Radius: 10.4

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.18 AU - 3.36 AU

Year: 3127 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,136,644 km

• M1: 129,402 km (0.065 R)
• M2: 565,630 km (0.058 R)
• M3: 975,677 km (0.063 R)
• M4: 1,831,228 km (0.09 R)
• M5: 2,158,398 km (0.091 R)
• M6: 4,163,309 km (0.054 R)
• M7: 4,570,963 km (0.054 R)
• M8: 5,055,062 km (0.08 R)
• M9: 6,270,245 km (0.078 R)
• M10: 6,655,160 km (0.068 R)
• M11: 7,310,399 km (0.068 R)
• M12: 8,320,484 km (0.093 R)
• M13: 9,155,988 km (0.081 R)
• M14: 10,616,063 km (0.057 R)
• M15: 12,225,587 km (0.031 R)
• M16: 13,401,576 km (0.042 R)
• M17: 15,977,053 km (0.053 R)
• M18: 16,362,267 km (0.028 R)
• M19: 17,439,073 km (0.083 R)
• M20: 18,143,080 km (0.066 R)
• M21: 20,822,378 km (0.094 R)
• M22: 22,633,410 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 9

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.75 AU - 5.33 AU

Year: 6561 Days

Day: 10.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,136,644 km

• M1: 112,797 km (0.111 R)
• M2: 403,765 km (0.094 R)
• M3: 698,024 km (0.074 R)
• M4: 2,376,063 km (0.097 R)
• M5: 2,966,526 km (0.066 R)
• M6: 3,534,399 km (0.097 R)
• M7: 4,019,246 km (0.12 R)
• M8: 4,743,449 km (0.106 R)
• M9: 5,808,586 km (0.08 R)
• M10: 6,951,663 km (0.077 R)
• M11: 8,916,332 km (0.089 R)
• M12: 9,269,084 km (0.12 R)
• M13: 9,769,339 km (0.101 R)
• M14: 10,774,188 km (0.1 R)
• M15: 12,599,881 km (0.077 R)
• M16: 13,327,674 km (0.117 R)
• M17: 14,381,292 km (0.108 R)
• M18: 17,121,925 km (0.112 R)
• M19: 18,507,949 km (0.112 R)
• M20: 24,977,459 km (0.08 R)
• M21: 27,958,346 km (0.052 R)
• M22: 28,240,637 km (0.062 R)
• M23: 30,967,208 km (0.095 R)
• M24: 33,440,061 km (0.058 R)
• M25: 33,758,106 km (0.076 R)
• M26: 34,941,724 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.4

Radius: 13.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.51 AU - 6.17 AU

Year: 8370 Days

Day: 10.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,136,644 km

• M1: 167,998 km (0.113 R)
• M2: 605,871 km (0.112 R)
• M3: 1,515,576 km (0.055 R)
• M4: 2,626,490 km (0.099 R)
• M5: 3,369,991 km (0.095 R)
• M6: 4,520,399 km (0.109 R)
• M7: 5,156,339 km (0.072 R)
• M8: 8,919,324 km (0.099 R)
• M9: 9,688,407 km (0.104 R)
• M10: 11,255,893 km (0.075 R)
• M11: 13,738,171 km (0.067 R)
• M12: 14,764,562 km (0.099 R)
• M13: 15,647,788 km (0.116 R)
• M14: 16,902,315 km (0.117 R)
• M15: 17,939,328 km (0.115 R)
• M16: 20,063,767 km (0.077 R)
• M17: 22,762,662 km (0.088 R)
• M18: 23,346,992 km (0.106 R)
• M19: 24,198,952 km (0.101 R)
• M20: 29,065,370 km (0.09 R)
• M21: 32,720,046 km (0.065 R)
• M22: 37,938,469 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.3

Radius: 3.8

Gravity: 19 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.6 AU - 6.7 AU

Year: 10344 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,136,644 km

• M1: 58,044 km (0.118 R)
• M2: 539,899 km (0.117 R)
• M3: 983,157 km (0.119 R)
• M4: 1,516,324 km (0.03 R)
• M5: 1,831,228 km (0.027 R)
• M6: 2,391,771 km (0.065 R)
• M7: 2,759,482 km (0.115 R)
• M8: 3,163,546 km (0.076 R)
• M9: 3,794,101 km (0.116 R)
• M10: 4,477,763 km (0.084 R)
• M11: 4,750,630 km (0.099 R)
• M12: 5,210,045 km (0.109 R)
• M13: 6,872,526 km (0.076 R)
• M14: 7,920,758 km (0.083 R)
• M15: 9,244,251 km (0.084 R)
• M16: 10,004,058 km (0.076 R)
• M17: 10,328,835 km (0.077 R)
• M18: 11,851,443 km (0.115 R)
• M19: 12,162,606 km (0.085 R)
• M20: 15,764,923 km (0.096 R)
• M21: 16,078,031 km (0.105 R)
• M22: 18,249,295 km (0.11 R)
• M23: 19,014,338 km (0.093 R)
• M24: 19,873,030 km (0.116 R)
• M25: 20,385,851 km (0.115 R)
• M26: 26,532,230 km (0.05 R)
• M27: 28,058,128 km (0.114 R)
• M28: 34,327,176 km (0.091 R)
• M29: 35,277,422 km (0.098 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: 219 - 15,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit