🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.1

Radius: 13.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.1 AU - 1.4 AU

Year: 982 Days

Day: 11.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,436,324 km

• M1: 185,501 km (0.093 R)
• M2: 623,225 km (0.094 R)
• M3: 1,105,827 km (0.113 R)
• M4: 1,568,534 km (0.109 R)
• M5: 2,437,099 km (0.118 R)
• M6: 2,994,351 km (0.107 R)
• M7: 3,982,894 km (0.071 R)
• M8: 4,553,610 km (0.117 R)
• M9: 8,637,332 km (0.113 R)
• M10: 9,456,829 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.8

Radius: 13.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.77 AU - 3.71 AU

Year: 4099 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,436,324 km

• M1: 166,652 km (0.115 R)
• M2: 602,580 km (0.116 R)
• M3: 1,036,264 km (0.096 R)
• M4: 1,606,681 km (0.044 R)
• M5: 2,249,653 km (0.053 R)
• M6: 3,093,086 km (0.084 R)
• M7: 3,543,525 km (0.084 R)
• M8: 5,166,811 km (0.088 R)
• M9: 6,012,338 km (0.05 R)
• M10: 6,833,182 km (0.042 R)
• M11: 8,333,499 km (0.04 R)
• M12: 9,354,654 km (0.113 R)
• M13: 9,822,447 km (0.101 R)
• M14: 10,343,496 km (0.069 R)
• M15: 11,001,128 km (0.081 R)
• M16: 11,893,480 km (0.073 R)
• M17: 12,529,121 km (0.083 R)
• M18: 12,965,348 km (0.085 R)
• M19: 14,382,938 km (0.1 R)
• M20: 14,909,971 km (0.045 R)
• M21: 16,258,596 km (0.044 R)
• M22: 18,125,876 km (0.107 R)
• M23: 18,684,774 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 13.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.18 AU - 4.14 AU

Year: 4922 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,436,324 km

• M1: 178,919 km (0.062 R)
• M2: 712,535 km (0.095 R)
• M3: 1,175,540 km (0.098 R)
• M4: 1,673,701 km (0.085 R)
• M5: 2,167,673 km (0.044 R)
• M6: 3,536,793 km (0.1 R)
• M7: 4,021,939 km (0.056 R)
• M8: 4,721,907 km (0.104 R)
• M9: 6,009,646 km (0.101 R)
• M10: 6,704,378 km (0.107 R)
• M11: 8,473,373 km (0.101 R)
• M12: 9,347,922 km (0.108 R)
• M13: 10,923,936 km (0.085 R)
• M14: 11,366,596 km (0.111 R)
• M15: 12,962,506 km (0.118 R)
• M16: 14,020,163 km (0.071 R)
• M17: 16,079,078 km (0.026 R)
• M18: 20,321,076 km (0.113 R)
• M19: 21,401,771 km (0.069 R)
• M20: 23,384,990 km (0.113 R)
• M21: 25,954,483 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.5

Radius: 9.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.16 AU - 4.26 AU

Year: 5023 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,436,324 km

• M1: 114,442 km (0.072 R)
• M2: 408,253 km (0.112 R)
• M3: 939,475 km (0.098 R)
• M4: 1,375,403 km (0.063 R)
• M5: 1,983,219 km (0.116 R)
• M6: 2,449,815 km (0.115 R)
• M7: 2,829,045 km (0.093 R)
• M8: 3,153,074 km (0.077 R)
• M9: 3,623,859 km (0.091 R)
• M10: 4,140,869 km (0.113 R)
• M11: 4,536,256 km (0.073 R)
• M12: 5,322,393 km (0.116 R)
• M13: 6,346,091 km (0.09 R)
• M14: 7,769,216 km (0.085 R)
• M15: 8,227,584 km (0.11 R)
• M16: 10,412,012 km (0.06 R)
• M17: 10,882,647 km (0.072 R)
• M18: 11,278,183 km (0.032 R)
• M19: 12,811,262 km (0.108 R)
• M20: 16,002,634 km (0.088 R)
• M21: 17,096,045 km (0.083 R)
• M22: 17,751,433 km (0.064 R)
• M23: 18,672,058 km (0.092 R)
• M24: 19,049,045 km (0.028 R)
• M25: 19,818,277 km (0.084 R)
• M26: 21,282,092 km (0.08 R)
• M27: 21,832,014 km (0.106 R)
• M28: 22,674,400 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.2

Radius: 4.4

Gravity: 19.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.93 AU - 7.69 AU

Year: 13893 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,436,324 km

• M1: 65,225 km (0.079 R)
• M2: 468,840 km (0.1 R)
• M3: 625,170 km (0.096 R)
• M4: 1,269,039 km (0.094 R)
• M5: 1,921,435 km (0.11 R)
• M6: 2,881,704 km (0.084 R)
• M7: 3,343,064 km (0.095 R)
• M8: 4,833,208 km (0.085 R)
• M9: 5,584,788 km (0.087 R)
• M10: 6,448,865 km (0.079 R)
• M11: 11,791,903 km (0.06 R)
• M12: 14,398,346 km (0.113 R)
• M13: 18,259,766 km (0.101 R)
• M14: 20,060,775 km (0.083 R)
• M15: 24,102,461 km (0.103 R)
• M16: 26,653,404 km (0.076 R)
• M17: 27,045,949 km (0.103 R)
• M18: 27,943,386 km (0.109 R)
• M19: 28,655,023 km (0.05 R)
• M20: 33,180,060 km (0.088 R)
• M21: 34,207,947 km (0.083 R)
• M22: 34,904,923 km (0.096 R)
• M23: 38,407,608 km (0.075 R)
• M24: 41,216,009 km (0.091 R)
• M25: 42,938,179 km (0.113 R)
• M26: 43,613,165 km (0.119 R)
• M27: 45,261,883 km (0.07 R)
• M28: 48,683,186 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.1

Radius: 8

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.9 AU - 10.08 AU

Year: 20550 Days

Day: 17.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,436,324 km

• M1: 99,931 km (0.062 R)
• M2: 362,775 km (0.111 R)
• M3: 1,235,678 km (0.072 R)
• M4: 1,704,518 km (0.066 R)
• M5: 2,308,146 km (0.105 R)
• M6: 2,659,850 km (0.056 R)
• M7: 2,971,612 km (0.101 R)
• M8: 3,361,464 km (0.056 R)
• M9: 6,086,838 km (0.078 R)
• M10: 6,892,572 km (0.068 R)
• M11: 8,357,135 km (0.106 R)
• M12: 8,818,645 km (0.092 R)
• M13: 9,135,792 km (0.087 R)
• M14: 9,961,722 km (0.06 R)
• M15: 12,017,047 km (0.12 R)
• M16: 13,349,964 km (0.102 R)
• M17: 17,436,978 km (0.111 R)
• M18: 18,532,483 km (0.046 R)
• M19: 20,124,354 km (0.118 R)
• M20: 21,518,756 km (0.103 R)
• M21: 24,086,454 km (0.097 R)
• M22: 25,126,159 km (0.119 R)
• M23: 25,764,194 km (0.101 R)
• M24: 26,304,242 km (0.1 R)
• M25: 28,310,499 km (0.036 R)
• M26: 29,117,580 km (0.093 R)
• M27: 34,026,335 km (0.055 R)
• M28: 36,540,028 km (0.108 R)
• M29: 40,902,900 km (0.106 R)
• M30: 47,997,878 km (0.102 R)
• M31: 48,323,703 km (0.087 R)
• M32: 48,815,281 km (0.12 R)
• M33: 55,333,111 km (0.104 R)
• M34: 59,923,372 km (0.119 R)
• M35: 60,490,797 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 12,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit