🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.6

Radius: 13.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.55 AU - 0.83 AU

Year: 382 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,758,634 km

• M1: 166,652 km (0.118 R)
• M2: 630,256 km (0.097 R)
• M3: 1,075,908 km (0.038 R)
• M4: 1,830,031 km (0.057 R)
• M5: 2,354,521 km (0.089 R)
• M6: 2,926,434 km (0.099 R)
• M7: 3,712,421 km (0.09 R)
• M8: 4,311,560 km (0.119 R)
• M9: 4,780,699 km (0.106 R)
• M10: 5,236,673 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 10.9

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.12 AU - 1.16 AU

Year: 812 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,758,634 km

• M1: 135,536 km (0.077 R)
• M2: 614,398 km (0.109 R)
• M3: 1,009,187 km (0.092 R)
• M4: 1,359,097 km (0.093 R)
• M5: 2,107,086 km (0.082 R)
• M6: 2,621,553 km (0.104 R)
• M7: 3,527,817 km (0.11 R)
• M8: 4,077,739 km (0.116 R)
• M9: 5,311,173 km (0.072 R)
• M10: 5,705,513 km (0.081 R)
• M11: 6,183,329 km (0.101 R)
• M12: 6,642,744 km (0.056 R)
• M13: 7,459,099 km (0.069 R)
• M14: 8,367,308 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.4

Radius: 11.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.18 AU - 1.54 AU

Year: 1058 Days

Day: 6.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,758,634 km

• M1: 143,614 km (0.058 R)
• M2: 612,603 km (0.117 R)
• M3: 1,604,437 km (0.087 R)
• M4: 2,781,324 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 8.6

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.45 AU - 1.85 AU

Year: 1413 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,758,634 km

• M1: 107,262 km (0.077 R)
• M2: 413,040 km (0.081 R)
• M3: 714,779 km (0.057 R)
• M4: 996,621 km (0.079 R)
• M5: 1,550,881 km (0.093 R)
• M6: 2,058,168 km (0.06 R)
• M7: 2,430,367 km (0.11 R)
• M8: 2,987,021 km (0.094 R)
• M9: 3,858,279 km (0.101 R)
• M10: 4,635,440 km (0.112 R)
• M11: 5,174,291 km (0.084 R)
• M12: 5,534,523 km (0.078 R)
• M13: 7,486,925 km (0.113 R)
• M14: 8,574,202 km (0.108 R)
• M15: 9,049,474 km (0.106 R)
• M16: 9,891,262 km (0.12 R)
• M17: 10,380,895 km (0.117 R)
• M18: 12,315,794 km (0.113 R)
• M19: 12,921,067 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.2

Radius: 12.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.8 AU - 2.86 AU

Year: 2372 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,758,634 km

• M1: 152,739 km (0.119 R)
• M2: 562,039 km (0.074 R)
• M3: 1,430,006 km (0.097 R)
• M4: 2,706,375 km (0.104 R)
• M5: 3,707,634 km (0.099 R)
• M6: 4,204,299 km (0.095 R)
• M7: 4,974,279 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 9.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.64 AU - 3.36 AU

Year: 3465 Days

Day: 11 Hours

Environment

Temp: -220 °C

Axial Tilt: 63 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,758,634 km

• M1: 117,883 km (0.103 R)
• M2: 784,790 km (0.096 R)
• M3: 1,248,245 km (0.109 R)
• M4: 1,995,336 km (0.067 R)
• M5: 6,280,119 km (0.037 R)
• M6: 8,858,288 km (0.097 R)
• M7: 9,271,777 km (0.09 R)
• M8: 10,475,591 km (0.112 R)
• M9: 15,586,453 km (0.084 R)
• M10: 15,936,512 km (0.111 R)
• M11: 17,550,224 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 9

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.03 AU - 3.09 AU

Year: 3570 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,758,634 km

• M1: 111,899 km (0.099 R)
• M2: 489,335 km (0.043 R)
• M3: 877,541 km (0.118 R)
• M4: 1,212,192 km (0.032 R)
• M5: 1,510,938 km (0.104 R)
• M6: 1,948,063 km (0.076 R)
• M7: 3,185,537 km (0.058 R)
• M8: 4,035,702 km (0.083 R)
• M9: 4,525,635 km (0.067 R)
• M10: 4,980,263 km (0.11 R)
• M11: 5,842,096 km (0.084 R)
• M12: 6,499,429 km (0.114 R)
• M13: 9,399,982 km (0.051 R)
• M14: 10,021,561 km (0.042 R)
• M15: 11,132,326 km (0.111 R)
• M16: 12,831,907 km (0.052 R)
• M17: 13,354,602 km (0.07 R)
• M18: 13,694,638 km (0.081 R)
• M19: 16,906,504 km (0.075 R)
• M20: 17,190,142 km (0.11 R)
• M21: 17,650,754 km (0.078 R)
• M22: 19,451,314 km (0.109 R)
• M23: 20,204,688 km (0.117 R)
• M24: 21,702,911 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.8

Radius: 5.7

Gravity: 20.92 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.74 AU - 6.9 AU

Year: 9363 Days

Day: 20.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,758,634 km

• M1: 71,807 km (0.118 R)
• M2: 409,599 km (0.08 R)
• M3: 619,485 km (0.101 R)
• M4: 801,994 km (0.084 R)
• M5: 1,208,452 km (0.041 R)
• M6: 1,405,771 km (0.048 R)
• M7: 1,653,804 km (0.114 R)
• M8: 2,149,572 km (0.092 R)
• M9: 2,844,005 km (0.117 R)
• M10: 4,518,005 km (0.063 R)
• M11: 5,885,330 km (0.062 R)
• M12: 7,067,003 km (0.099 R)
• M13: 7,923,750 km (0.118 R)
• M14: 9,217,622 km (0.08 R)
• M15: 10,698,193 km (0.119 R)
• M16: 11,604,157 km (0.078 R)
• M17: 13,812,072 km (0.084 R)
• M18: 14,373,363 km (0.033 R)
• M19: 16,423,004 km (0.111 R)
• M20: 18,434,946 km (0.092 R)
• M21: 22,854,366 km (0.116 R)
• M22: 24,261,483 km (0.11 R)
• M23: 25,539,199 km (0.112 R)
• M24: 30,573,317 km (0.097 R)
• M25: 31,525,358 km (0.103 R)
• M26: 39,864,242 km (0.059 R)
• M27: 40,492,553 km (0.099 R)
• M28: 40,999,840 km (0.104 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: 405 - 14,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit