🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.9

Radius: 10.7

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.75 AU

Year: 323 Days

Day: 6.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 157.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,603,003 km

• M1: 133,142 km (0.109 R)
• M2: 496,964 km (0.095 R)
• M3: 893,548 km (0.09 R)
• M4: 1,494,932 km (0.103 R)
• M5: 1,837,660 km (0.099 R)
• M6: 2,248,905 km (0.039 R)
• M7: 2,912,072 km (0.082 R)
• M8: 3,635,527 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 10.5

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.62 AU - 0.8 AU

Year: 406 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,603,003 km

• M1: 140,472 km (0.06 R)
• M2: 498,011 km (0.079 R)
• M3: 1,457,682 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 13.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.55 AU - 1.99 AU

Year: 1597 Days

Day: 9.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,603,003 km

• M1: 173,833 km (0.119 R)
• M2: 708,795 km (0.115 R)
• M3: 1,217,577 km (0.106 R)
• M4: 1,672,654 km (0.118 R)
• M5: 2,405,983 km (0.119 R)
• M6: 2,973,407 km (0.101 R)
• M7: 3,911,236 km (0.049 R)
• M8: 4,479,708 km (0.084 R)
• M9: 6,732,203 km (0.067 R)
• M10: 7,495,751 km (0.071 R)
• M11: 8,195,420 km (0.07 R)
• M12: 9,392,203 km (0.083 R)
• M13: 11,214,904 km (0.116 R)
• M14: 12,092,295 km (0.077 R)
• M15: 14,157,344 km (0.064 R)
• M16: 15,136,761 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486

Radius: 13.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.87 AU - 2.99 AU

Year: 2569 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,603,003 km

• M1: 172,337 km (0.074 R)
• M2: 724,502 km (0.091 R)
• M3: 1,223,561 km (0.102 R)
• M4: 1,823,598 km (0.055 R)
• M5: 2,505,914 km (0.114 R)
• M6: 3,078,126 km (0.11 R)
• M7: 3,791,109 km (0.118 R)
• M8: 4,286,129 km (0.068 R)
• M9: 6,634,965 km (0.111 R)
• M10: 7,073,885 km (0.094 R)
• M11: 7,502,782 km (0.098 R)
• M12: 8,010,218 km (0.071 R)
• M13: 9,499,016 km (0.077 R)
• M14: 10,201,079 km (0.046 R)
• M15: 12,434,425 km (0.073 R)
• M16: 13,578,400 km (0.109 R)
• M17: 14,108,725 km (0.109 R)
• M18: 15,928,882 km (0.036 R)
• M19: 16,569,011 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 10.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.42 AU - 5.08 AU

Year: 7022 Days

Day: 14.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,603,003 km

• M1: 127,158 km (0.114 R)
• M2: 753,375 km (0.063 R)
• M3: 1,209,349 km (0.095 R)
• M4: 1,886,280 km (0.075 R)
• M5: 2,471,955 km (0.114 R)
• M6: 3,116,572 km (0.086 R)
• M7: 3,542,178 km (0.053 R)
• M8: 4,843,680 km (0.091 R)
• M9: 5,943,523 km (0.095 R)
• M10: 6,281,914 km (0.071 R)
• M11: 6,897,060 km (0.054 R)
• M12: 7,445,785 km (0.084 R)
• M13: 9,682,124 km (0.087 R)
• M14: 10,065,394 km (0.05 R)
• M15: 11,323,212 km (0.116 R)
• M16: 12,038,739 km (0.081 R)
• M17: 13,039,250 km (0.118 R)
• M18: 13,878,793 km (0.054 R)
• M19: 14,311,879 km (0.096 R)
• M20: 15,091,433 km (0.082 R)
• M21: 18,495,533 km (0.072 R)
• M22: 19,894,273 km (0.073 R)
• M23: 21,148,202 km (0.111 R)
• M24: 22,013,027 km (0.097 R)
• M25: 23,506,463 km (0.097 R)
• M26: 25,226,091 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 12.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.84 AU - 5.24 AU

Year: 7674 Days

Day: 11 Hours

Environment

Temp: -221 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,603,003 km

• M1: 157,078 km (0.113 R)
• M2: 887,863 km (0.09 R)
• M3: 1,513,930 km (0.089 R)
• M4: 2,958,447 km (0.05 R)
• M5: 4,036,599 km (0.111 R)
• M6: 4,624,369 km (0.084 R)
• M7: 5,147,214 km (0.12 R)
• M8: 7,566,810 km (0.086 R)
• M9: 8,006,478 km (0.086 R)
• M10: 8,719,611 km (0.074 R)
• M11: 10,863,199 km (0.083 R)
• M12: 11,269,058 km (0.096 R)
• M13: 11,843,663 km (0.092 R)
• M14: 12,492,769 km (0.055 R)
• M15: 13,395,143 km (0.069 R)
• M16: 13,803,396 km (0.053 R)
• M17: 16,496,307 km (0.103 R)
• M18: 16,965,595 km (0.098 R)
• M19: 18,860,252 km (0.039 R)
• M20: 21,283,738 km (0.045 R)
• M21: 23,232,849 km (0.104 R)
• M22: 25,833,009 km (0.099 R)
• M23: 32,330,045 km (0.111 R)
• M24: 35,009,791 km (0.12 R)
• M25: 36,122,051 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.5

Radius: 8.6

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.01 AU - 6.01 AU

Year: 8772 Days

Day: 11.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,603,003 km

• M1: 121,922 km (0.111 R)
• M2: 389,553 km (0.089 R)
• M3: 1,024,596 km (0.084 R)
• M4: 1,406,968 km (0.039 R)
• M5: 3,226,976 km (0.052 R)
• M6: 3,514,054 km (0.099 R)
• M7: 4,251,272 km (0.099 R)
• M8: 5,056,258 km (0.085 R)
• M9: 5,612,912 km (0.03 R)
• M10: 6,030,141 km (0.08 R)
• M11: 7,530,308 km (0.117 R)
• M12: 8,389,299 km (0.104 R)
• M13: 10,821,162 km (0.115 R)
• M14: 12,197,911 km (0.113 R)
• M15: 13,319,746 km (0.116 R)
• M16: 13,749,839 km (0.074 R)
• M17: 14,898,602 km (0.052 R)
• M18: 15,429,225 km (0.083 R)
• M19: 18,048,534 km (0.053 R)
• M20: 19,035,282 km (0.081 R)
• M21: 19,581,164 km (0.113 R)
• M22: 20,137,669 km (0.099 R)
• M23: 25,160,567 km (0.096 R)
• M24: 27,167,721 km (0.086 R)
• M25: 31,282,112 km (0.091 R)
• M26: 33,149,991 km (0.045 R)
• M27: 38,947,955 km (0.045 R)
• M28: 40,978,447 km (0.103 R)
• M29: 45,387,396 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 8.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.31 AU - 6.71 AU

Year: 8772 Days

Day: 8.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,603,003 km

• M1: 107,411 km (0.12 R)
• M2: 682,316 km (0.086 R)
• M3: 1,504,057 km (0.109 R)
• M4: 1,990,699 km (0.118 R)
• M5: 2,455,499 km (0.086 R)
• M6: 3,258,690 km (0.113 R)
• M7: 4,427,648 km (0.098 R)
• M8: 5,348,573 km (0.106 R)
• M9: 7,728,974 km (0.091 R)
• M10: 9,393,699 km (0.066 R)
• M11: 10,169,962 km (0.101 R)
• M12: 10,614,717 km (0.11 R)
• M13: 15,695,809 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.9

Radius: 7.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.83 AU - 7.25 AU

Year: 11344 Days

Day: 18.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,603,003 km

• M1: 118,332 km (0.114 R)
• M2: 413,937 km (0.11 R)
• M3: 899,831 km (0.071 R)
• M4: 1,450,351 km (0.071 R)
• M5: 2,464,775 km (0.11 R)
• M6: 3,932,778 km (0.101 R)
• M7: 4,765,590 km (0.096 R)
• M8: 6,081,453 km (0.032 R)
• M9: 6,744,919 km (0.048 R)
• M10: 7,455,509 km (0.089 R)
• M11: 8,687,747 km (0.089 R)
• M12: 9,216,725 km (0.036 R)
• M13: 10,091,124 km (0.044 R)
• M14: 12,096,334 km (0.077 R)
• M15: 13,789,932 km (0.051 R)
• M16: 14,198,184 km (0.106 R)
• M17: 15,038,775 km (0.114 R)
• M18: 19,490,059 km (0.103 R)
• M19: 21,944,811 km (0.077 R)
• M20: 23,282,216 km (0.107 R)
• M21: 23,788,305 km (0.03 R)
• M22: 25,274,859 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.9

Radius: 7.3

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.35 AU - 8.83 AU

Year: 12804 Days

Day: 19.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,603,003 km

• M1: 91,105 km (0.115 R)
• M2: 437,723 km (0.106 R)
• M3: 702,063 km (0.078 R)
• M4: 973,433 km (0.11 R)
• M5: 2,362,150 km (0.106 R)
• M6: 2,705,627 km (0.078 R)
• M7: 3,082,015 km (0.106 R)
• M8: 3,968,832 km (0.092 R)
• M9: 4,455,623 km (0.089 R)
• M10: 5,015,568 km (0.075 R)
• M11: 6,477,139 km (0.104 R)
• M12: 7,416,614 km (0.101 R)
• M13: 9,352,560 km (0.062 R)
• M14: 10,103,242 km (0.08 R)
• M15: 12,660,019 km (0.09 R)
• M16: 12,917,776 km (0.035 R)
• M17: 15,398,558 km (0.114 R)
• M18: 16,065,166 km (0.086 R)
• M19: 16,905,756 km (0.06 R)
• M20: 20,474,264 km (0.099 R)
• M21: 21,644,867 km (0.115 R)
• M22: 22,575,067 km (0.037 R)
• M23: 23,726,222 km (0.034 R)
• M24: 24,415,569 km (0.094 R)
• M25: 30,881,788 km (0.117 R)
• M26: 31,115,011 km (0.101 R)
• M27: 32,179,250 km (0.025 R)
• M28: 45,082,814 km (0.114 R)
• M29: 46,292,014 km (0.102 R)
• M30: 47,367,623 km (0.096 R)
• M31: 48,617,064 km (0.118 R)
• M32: 54,004,233 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 13,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit