🌌 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: 452.6

Radius: 12.2

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.44 AU - 0.62 AU

Year: 271 Days

Day: 9.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,304,726 km

• M1: 151,692 km (0.113 R)
• M2: 549,174 km (0.119 R)
• M3: 1,060,499 km (0.082 R)
• M4: 1,484,908 km (0.102 R)
• M5: 2,073,875 km (0.092 R)
• M6: 2,797,331 km (0.063 R)
• M7: 3,242,983 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.2

Radius: 8.3

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.61 AU - 0.63 AU

Year: 343 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,304,726 km

• M1: 103,223 km (0.072 R)
• M2: 416,780 km (0.093 R)
• M3: 876,793 km (0.091 R)
• M4: 1,316,461 km (0.068 R)
• M5: 1,824,346 km (0.113 R)
• M6: 2,136,407 km (0.104 R)
• M7: 2,620,356 km (0.102 R)
• M8: 3,081,567 km (0.118 R)
• M9: 3,952,974 km (0.097 R)
• M10: 4,399,823 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608

Radius: 8.5

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.79 AU - 0.85 AU

Year: 522 Days

Day: 9 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,304,726 km

• M1: 106,065 km (0.064 R)
• M2: 384,018 km (0.106 R)
• M3: 670,946 km (0.056 R)
• M4: 935,286 km (0.084 R)
• M5: 1,253,032 km (0.068 R)
• M6: 1,665,473 km (0.049 R)
• M7: 1,941,481 km (0.107 R)
• M8: 2,408,975 km (0.091 R)
• M9: 3,723,940 km (0.096 R)
• M10: 4,374,092 km (0.099 R)
• M11: 5,496,974 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.4

Radius: 12.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.55 AU - 1.97 AU

Year: 1641 Days

Day: 8.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,304,726 km

• M1: 153,487 km (0.049 R)
• M2: 590,014 km (0.117 R)
• M3: 1,217,876 km (0.114 R)
• M4: 1,743,563 km (0.109 R)
• M5: 2,744,373 km (0.087 R)
• M6: 3,161,601 km (0.112 R)
• M7: 3,918,567 km (0.04 R)
• M8: 6,142,489 km (0.075 R)
• M9: 7,965,488 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.1

Radius: 11.6

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.08 AU - 5.52 AU

Year: 7392 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,304,726 km

• M1: 156,031 km (0.076 R)
• M2: 656,286 km (0.04 R)
• M3: 1,489,546 km (0.077 R)
• M4: 2,234,543 km (0.117 R)
• M5: 2,634,568 km (0.108 R)
• M6: 3,302,971 km (0.088 R)
• M7: 3,751,316 km (0.06 R)
• M8: 4,267,130 km (0.068 R)
• M9: 4,948,249 km (0.104 R)
• M10: 6,278,323 km (0.094 R)
• M11: 6,746,415 km (0.078 R)
• M12: 7,122,055 km (0.086 R)
• M13: 7,591,494 km (0.108 R)
• M14: 9,034,664 km (0.117 R)
• M15: 9,585,334 km (0.066 R)
• M16: 10,703,578 km (0.051 R)
• M17: 11,320,520 km (0.096 R)
• M18: 12,738,707 km (0.118 R)
• M19: 13,490,736 km (0.074 R)
• M20: 14,580,556 km (0.06 R)
• M21: 15,210,962 km (0.081 R)
• M22: 16,324,120 km (0.065 R)
• M23: 16,729,679 km (0.101 R)
• M24: 17,773,274 km (0.08 R)
• M25: 18,347,281 km (0.112 R)
• M26: 20,768,074 km (0.109 R)
• M27: 21,647,261 km (0.06 R)
• M28: 22,801,857 km (0.108 R)
• M29: 24,521,933 km (0.084 R)
• M30: 25,143,961 km (0.116 R)
• M31: 26,326,981 km (0.115 R)
• M32: 31,224,666 km (0.053 R)
• M33: 33,668,796 km (0.111 R)
• M34: 34,216,623 km (0.093 R)
• M35: 34,770,285 km (0.03 R)
• M36: 36,009,554 km (0.032 R)
• M37: 37,629,100 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 11.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.95 AU - 5.99 AU

Year: 7788 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,304,726 km

• M1: 140,472 km (0.111 R)
• M2: 715,975 km (0.12 R)
• M3: 1,281,156 km (0.073 R)
• M4: 2,363,796 km (0.119 R)
• M5: 3,004,673 km (0.084 R)
• M6: 4,283,585 km (0.098 R)
• M7: 5,298,757 km (0.115 R)
• M8: 9,760,962 km (0.026 R)
• M9: 11,355,974 km (0.069 R)
• M10: 11,767,518 km (0.091 R)
• M11: 13,174,187 km (0.101 R)
• M12: 17,379,832 km (0.101 R)
• M13: 20,837,637 km (0.051 R)
• M14: 21,690,195 km (0.096 R)
• M15: 27,027,548 km (0.1 R)
• M16: 28,985,036 km (0.096 R)
• M17: 33,916,979 km (0.054 R)
• M18: 36,972,665 km (0.096 R)
• M19: 38,682,868 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929

Radius: 5

Gravity: 37.16 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.22 AU - 9.8 AU

Year: 15935 Days

Day: 18 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,304,726 km

• M1: 62,233 km (0.12 R)
• M2: 228,586 km (0.115 R)
• M3: 398,978 km (0.096 R)
• M4: 667,207 km (0.064 R)
• M5: 1,074,562 km (0.075 R)
• M6: 2,637,710 km (0.087 R)
• M7: 3,666,494 km (0.1 R)
• M8: 4,093,596 km (0.085 R)
• M9: 4,587,419 km (0.069 R)
• M10: 4,831,114 km (0.119 R)
• M11: 5,933,500 km (0.068 R)
• M12: 6,478,336 km (0.082 R)
• M13: 6,652,617 km (0.1 R)
• M14: 7,380,860 km (0.095 R)
• M15: 8,110,598 km (0.077 R)
• M16: 8,570,911 km (0.086 R)
• M17: 9,156,886 km (0.119 R)
• M18: 11,199,196 km (0.098 R)
• M19: 12,029,314 km (0.028 R)
• M20: 12,359,327 km (0.095 R)
• M21: 12,695,175 km (0.075 R)
• M22: 13,668,458 km (0.118 R)
• M23: 14,173,201 km (0.112 R)
• M24: 14,765,160 km (0.115 R)
• M25: 15,373,425 km (0.027 R)
• M26: 15,840,619 km (0.059 R)
• M27: 17,718,970 km (0.079 R)
• M28: 20,760,295 km (0.112 R)
• M29: 21,523,244 km (0.098 R)
• M30: 32,567,905 km (0.118 R)
• M31: 44,320,613 km (0.056 R)
• M32: 45,583,668 km (0.061 R)
• M33: 47,851,123 km (0.062 R)
• M34: 53,137,612 km (0.089 R)
• M35: 53,314,288 km (0.112 R)
• M36: 61,289,649 km (0.053 R)
• M37: 66,888,948 km (0.042 R)
• M38: 71,951,639 km (0.113 R)
• M39: 72,167,958 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.4

Radius: 7.5

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.46 AU - 9.56 AU

Year: 15935 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,304,726 km

• M1: 94,097 km (0.106 R)
• M2: 983,905 km (0.037 R)
• M3: 6,521,570 km (0.053 R)
• M4: 7,008,511 km (0.116 R)
• M5: 7,607,052 km (0.101 R)
• M6: 9,352,859 km (0.089 R)
• M7: 21,655,189 km (0.098 R)
• M8: 24,140,908 km (0.1 R)
• M9: 26,403,127 km (0.097 R)
• M10: 27,533,488 km (0.101 R)
• M11: 30,000,656 km (0.119 R)
• M12: 31,916,257 km (0.113 R)
• M13: 44,571,788 km (0.04 R)
• M14: 46,912,247 km (0.098 R)
• M15: 49,026,364 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.6

Radius: 3.4

Gravity: 32.92 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.41 AU - 10.05 AU

Year: 21334 Days

Day: 17.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,304,726 km

• M1: 42,336 km (0.087 R)
• M2: 149,448 km (0.077 R)
• M3: 346,169 km (0.091 R)
• M4: 664,065 km (0.066 R)
• M5: 1,949,111 km (0.053 R)
• M6: 2,082,103 km (0.063 R)
• M7: 2,584,752 km (0.109 R)
• M8: 4,250,524 km (0.088 R)
• M9: 4,912,046 km (0.106 R)
• M10: 5,087,674 km (0.082 R)
• M11: 6,561,811 km (0.048 R)
• M12: 8,249,126 km (0.118 R)
• M13: 8,397,377 km (0.101 R)
• M14: 8,597,988 km (0.079 R)
• M15: 9,271,777 km (0.115 R)
• M16: 9,924,323 km (0.034 R)
• M17: 10,433,404 km (0.048 R)
• M18: 10,959,690 km (0.112 R)
• M19: 11,503,478 km (0.112 R)
• M20: 12,128,498 km (0.063 R)
• M21: 13,928,609 km (0.102 R)
• M22: 14,422,731 km (0.12 R)
• M23: 16,206,087 km (0.094 R)
• M24: 19,583,109 km (0.099 R)
• M25: 20,292,502 km (0.113 R)
• M26: 20,562,826 km (0.094 R)
• M27: 22,331,521 km (0.117 R)
• M28: 24,912,384 km (0.095 R)
• M29: 26,061,595 km (0.114 R)
• M30: 29,145,704 km (0.088 R)
• M31: 32,957,907 km (0.078 R)
• M32: 34,597,051 km (0.118 R)
• M33: 40,405,188 km (0.096 R)
• M34: 41,263,880 km (0.083 R)
• M35: 47,460,224 km (0.117 R)
• M36: 48,898,607 km (0.101 R)
• M37: 49,547,114 km (0.03 R)
• M38: 49,873,537 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 12,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit