🌌 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: 300.6

Radius: 13.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.46 AU - 0.6 AU

Year: 257 Days

Day: 10.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,014,598 km

• M1: 170,392 km (0.106 R)
• M2: 689,497 km (0.064 R)
• M3: 1,144,424 km (0.093 R)
• M4: 1,702,873 km (0.085 R)
• M5: 2,135,061 km (0.096 R)
• M6: 2,610,333 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.9

Radius: 10

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.47 AU - 0.61 AU

Year: 265 Days

Day: 6 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,014,598 km

• M1: 124,316 km (0.117 R)
• M2: 458,667 km (0.086 R)
• M3: 856,298 km (0.056 R)
• M4: 1,317,808 km (0.062 R)
• M5: 1,736,532 km (0.097 R)
• M6: 3,103,857 km (0.087 R)
• M7: 3,453,916 km (0.092 R)
• M8: 3,853,940 km (0.068 R)
• M9: 4,208,786 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 14.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.43 AU - 0.71 AU

Year: 287 Days

Day: 13.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,014,598 km

• M1: 184,305 km (0.048 R)
• M2: 753,076 km (0.113 R)
• M3: 1,246,150 km (0.101 R)
• M4: 1,717,084 km (0.102 R)
• M5: 2,411,667 km (0.079 R)
• M6: 2,998,540 km (0.116 R)
• M7: 3,464,537 km (0.111 R)
• M8: 4,153,435 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.9

Radius: 10.8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.52 AU - 0.7 AU

Year: 318 Days

Day: 14.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,014,598 km

• M1: 134,638 km (0.085 R)
• M2: 539,749 km (0.117 R)
• M3: 917,484 km (0.112 R)
• M4: 1,417,141 km (0.088 R)
• M5: 1,787,695 km (0.1 R)
• M6: 2,561,714 km (0.074 R)
• M7: 2,954,857 km (0.078 R)
• M8: 3,626,552 km (0.107 R)
• M9: 3,986,783 km (0.079 R)
• M10: 4,572,160 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 14.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.15 AU - 1.36 AU

Year: 932 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,014,598 km

• M1: 182,958 km (0.09 R)
• M2: 665,860 km (0.097 R)
• M3: 1,225,655 km (0.059 R)
• M4: 2,199,388 km (0.11 R)
• M5: 3,223,984 km (0.118 R)
• M6: 4,312,009 km (0.052 R)
• M7: 5,009,883 km (0.043 R)
• M8: 5,595,708 km (0.053 R)
• M9: 6,716,047 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.7

Radius: 8.9

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.21 AU - 4.79 AU

Year: 6366 Days

Day: 11.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,014,598 km

• M1: 110,702 km (0.093 R)
• M2: 439,519 km (0.12 R)
• M3: 986,897 km (0.108 R)
• M4: 1,302,698 km (0.052 R)
• M5: 1,606,382 km (0.113 R)
• M6: 1,988,156 km (0.064 R)
• M7: 2,377,709 km (0.066 R)
• M8: 2,665,385 km (0.08 R)
• M9: 3,421,303 km (0.103 R)
• M10: 4,998,663 km (0.097 R)
• M11: 5,505,052 km (0.09 R)
• M12: 7,997,502 km (0.048 R)
• M13: 9,160,027 km (0.037 R)
• M14: 11,662,949 km (0.093 R)
• M15: 12,553,954 km (0.085 R)
• M16: 14,061,153 km (0.078 R)
• M17: 17,032,615 km (0.085 R)
• M18: 17,768,188 km (0.062 R)
• M19: 18,247,350 km (0.118 R)
• M20: 18,875,811 km (0.119 R)
• M21: 20,473,067 km (0.084 R)
• M22: 21,923,418 km (0.097 R)
• M23: 23,769,157 km (0.07 R)
• M24: 27,403,039 km (0.085 R)
• M25: 28,042,719 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.5

Radius: 9.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.33 AU - 5.45 AU

Year: 7211 Days

Day: 8.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,014,598 km

• M1: 120,426 km (0.096 R)
• M2: 486,642 km (0.034 R)
• M3: 882,029 km (0.118 R)
• M4: 3,495,205 km (0.096 R)
• M5: 4,810,469 km (0.099 R)
• M6: 5,430,702 km (0.098 R)
• M7: 5,844,639 km (0.074 R)
• M8: 8,383,614 km (0.061 R)
• M9: 9,051,419 km (0.106 R)
• M10: 12,885,313 km (0.109 R)
• M11: 13,324,982 km (0.116 R)
• M12: 13,724,109 km (0.095 R)
• M13: 16,860,727 km (0.112 R)
• M14: 17,683,964 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.2

Radius: 6.3

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.06 AU - 10.72 AU

Year: 17676 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,014,598 km

• M1: 85,869 km (0.055 R)
• M2: 777,759 km (0.109 R)
• M3: 1,587,981 km (0.066 R)
• M4: 1,854,714 km (0.099 R)
• M5: 2,225,418 km (0.093 R)
• M6: 3,382,408 km (0.107 R)
• M7: 5,637,745 km (0.05 R)
• M8: 6,570,937 km (0.059 R)
• M9: 7,999,746 km (0.069 R)
• M10: 8,225,938 km (0.086 R)
• M11: 9,272,974 km (0.096 R)
• M12: 9,931,952 km (0.079 R)
• M13: 11,006,065 km (0.089 R)
• M14: 12,036,944 km (0.107 R)
• M15: 13,256,316 km (0.099 R)
• M16: 18,564,049 km (0.089 R)
• M17: 18,961,381 km (0.037 R)
• M18: 20,187,185 km (0.096 R)
• M19: 22,977,036 km (0.081 R)
• M20: 30,063,786 km (0.081 R)
• M21: 40,438,698 km (0.065 R)
• M22: 40,704,833 km (0.028 R)
• M23: 43,709,655 km (0.092 R)
• M24: 46,275,558 km (0.098 R)
• M25: 47,152,650 km (0.107 R)
• M26: 50,003,387 km (0.117 R)
• M27: 51,393,002 km (0.115 R)
• M28: 52,966,921 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967

Radius: 7.9

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.37 AU - 11.99 AU

Year: 21660 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 90,014,598 km

• M1: 98,286 km (0.113 R)
• M2: 446,250 km (0.096 R)
• M3: 1,388,418 km (0.092 R)
• M4: 1,678,638 km (0.092 R)
• M5: 2,574,879 km (0.112 R)
• M6: 2,829,195 km (0.114 R)
• M7: 3,300,279 km (0.112 R)
• M8: 3,695,067 km (0.082 R)
• M9: 4,328,465 km (0.081 R)
• M10: 6,807,601 km (0.082 R)
• M11: 8,624,018 km (0.032 R)
• M12: 9,256,069 km (0.085 R)
• M13: 10,292,932 km (0.101 R)
• M14: 11,816,437 km (0.098 R)
• M15: 12,379,972 km (0.077 R)
• M16: 13,109,411 km (0.039 R)
• M17: 18,377,949 km (0.116 R)
• M18: 18,753,589 km (0.078 R)
• M19: 20,009,762 km (0.057 R)
• M20: 21,115,739 km (0.06 R)
• M21: 25,597,991 km (0.06 R)
• M22: 28,872,688 km (0.063 R)
• M23: 30,023,545 km (0.094 R)
• M24: 31,471,353 km (0.069 R)
• M25: 32,964,938 km (0.089 R)
• M26: 36,979,397 km (0.091 R)
• M27: 38,949,451 km (0.078 R)
• M28: 40,195,901 km (0.064 R)
• M29: 40,988,321 km (0.085 R)
• M30: 41,308,161 km (0.1 R)
• M31: 44,768,060 km (0.075 R)
• M32: 56,298,316 km (0.071 R)
• M33: 64,993,992 km (0.111 R)
• M34: 65,865,998 km (0.027 R)
• M35: 68,753,985 km (0.057 R)
• M36: 69,886,889 km (0.118 R)
• M37: 76,220,564 km (0.111 R)
• M38: 83,951,931 km (0.074 R)
• M39: 84,209,689 km (0.095 R)
• M40: 87,873,789 km (0.115 R)
• M41: 89,476,132 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 18,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit