🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 10.1

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.79 AU - 0.85 AU

Year: 472 Days

Day: 8 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,128,814 km

• M1: 125,812 km (0.071 R)
• M2: 445,652 km (0.085 R)
• M3: 996,771 km (0.067 R)
• M4: 1,360,293 km (0.084 R)
• M5: 1,773,632 km (0.093 R)
• M6: 2,124,439 km (0.099 R)
• M7: 2,968,770 km (0.12 R)
• M8: 3,518,542 km (0.115 R)
• M9: 4,078,487 km (0.031 R)
• M10: 4,853,105 km (0.077 R)
• M11: 5,444,764 km (0.117 R)
• M12: 5,829,530 km (0.093 R)
• M13: 6,556,575 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.3

Radius: 11.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.8 AU - 1 AU

Year: 543 Days

Day: 15 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,128,814 km

• M1: 144,212 km (0.068 R)
• M2: 519,254 km (0.116 R)
• M3: 953,537 km (0.044 R)
• M4: 1,371,214 km (0.111 R)
• M5: 1,928,616 km (0.112 R)
• M6: 2,562,911 km (0.079 R)
• M7: 3,404,848 km (0.108 R)
• M8: 3,797,692 km (0.043 R)
• M9: 5,163,071 km (0.079 R)
• M10: 5,913,005 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.8

Radius: 13.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.93 AU - 1.21 AU

Year: 704 Days

Day: 14.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,128,814 km

• M1: 167,849 km (0.037 R)
• M2: 930,798 km (0.082 R)
• M3: 1,368,671 km (0.062 R)
• M4: 1,939,536 km (0.068 R)
• M5: 2,521,472 km (0.079 R)
• M6: 3,571,500 km (0.075 R)
• M7: 4,894,842 km (0.071 R)
• M8: 5,402,129 km (0.11 R)
• M9: 5,845,088 km (0.058 R)
• M10: 6,480,729 km (0.06 R)
• M11: 7,650,286 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 13.4

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.07 AU - 1.39 AU

Year: 867 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,128,814 km

• M1: 168,447 km (0.119 R)
• M2: 604,675 km (0.088 R)
• M3: 1,082,041 km (0.113 R)
• M4: 1,591,721 km (0.119 R)
• M5: 2,194,750 km (0.082 R)
• M6: 2,681,841 km (0.063 R)
• M7: 3,639,267 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.8

Radius: 8.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.36 AU - 1.78 AU

Year: 1251 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,128,814 km

• M1: 102,026 km (0.099 R)
• M2: 389,702 km (0.071 R)
• M3: 1,334,563 km (0.12 R)
• M4: 1,671,906 km (0.115 R)
• M5: 2,075,072 km (0.106 R)
• M6: 2,541,967 km (0.052 R)
• M7: 3,139,760 km (0.103 R)
• M8: 3,425,193 km (0.104 R)
• M9: 4,387,556 km (0.09 R)
• M10: 6,153,858 km (0.027 R)
• M11: 6,792,940 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 8.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.64 AU - 2.06 AU

Year: 1600 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,128,814 km

• M1: 102,026 km (0.108 R)
• M2: 371,452 km (0.119 R)
• M3: 905,366 km (0.12 R)
• M4: 1,416,991 km (0.079 R)
• M5: 1,810,733 km (0.119 R)
• M6: 2,267,006 km (0.096 R)
• M7: 3,098,920 km (0.104 R)
• M8: 3,541,879 km (0.117 R)
• M9: 4,161,214 km (0.107 R)
• M10: 4,835,751 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 14.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.41 AU - 6.23 AU

Year: 7802 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,128,814 km

• M1: 198,816 km (0.081 R)
• M2: 960,568 km (0.097 R)
• M3: 1,496,577 km (0.099 R)
• M4: 2,250,700 km (0.117 R)
• M5: 2,785,662 km (0.107 R)
• M6: 4,195,472 km (0.117 R)
• M7: 4,634,692 km (0.1 R)
• M8: 5,165,764 km (0.109 R)
• M9: 7,750,965 km (0.109 R)
• M10: 8,545,629 km (0.052 R)
• M11: 9,301,996 km (0.115 R)
• M12: 10,495,188 km (0.099 R)
• M13: 11,950,177 km (0.096 R)
• M14: 12,896,982 km (0.068 R)
• M15: 16,238,250 km (0.063 R)
• M16: 18,689,262 km (0.102 R)
• M17: 19,357,516 km (0.072 R)
• M18: 20,899,571 km (0.051 R)
• M19: 23,194,252 km (0.047 R)
• M20: 25,743,250 km (0.077 R)
• M21: 33,953,481 km (0.103 R)
• M22: 34,393,598 km (0.094 R)
• M23: 36,192,213 km (0.111 R)
• M24: 40,221,332 km (0.115 R)

Asteroid Belt

Center: 5.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 9.8

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.01 AU - 7.13 AU

Year: 9509 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,128,814 km

• M1: 126,859 km (0.105 R)
• M2: 526,136 km (0.028 R)
• M3: 1,659,788 km (0.073 R)
• M4: 2,602,704 km (0.048 R)
• M5: 3,084,110 km (0.106 R)
• M6: 3,868,900 km (0.073 R)
• M7: 4,519,202 km (0.119 R)
• M8: 5,481,416 km (0.095 R)
• M9: 6,328,888 km (0.037 R)
• M10: 6,713,803 km (0.118 R)
• M11: 8,743,996 km (0.079 R)
• M12: 9,049,474 km (0.099 R)
• M13: 10,008,995 km (0.073 R)
• M14: 14,205,215 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.1

Radius: 6.8

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.97 AU - 12.01 AU

Year: 20076 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,128,814 km

• M1: 85,869 km (0.075 R)
• M2: 327,769 km (0.097 R)
• M3: 594,502 km (0.102 R)
• M4: 894,296 km (0.096 R)
• M5: 1,896,751 km (0.084 R)
• M6: 2,169,169 km (0.111 R)
• M7: 2,423,186 km (0.118 R)
• M8: 2,841,911 km (0.062 R)
• M9: 3,307,759 km (0.113 R)
• M10: 5,422,175 km (0.087 R)
• M11: 6,693,458 km (0.058 R)
• M12: 10,040,261 km (0.096 R)
• M13: 10,273,185 km (0.059 R)
• M14: 10,932,164 km (0.073 R)
• M15: 11,178,701 km (0.105 R)
• M16: 12,601,676 km (0.092 R)
• M17: 14,141,337 km (0.105 R)
• M18: 16,761,095 km (0.114 R)
• M19: 18,271,136 km (0.086 R)
• M20: 19,237,389 km (0.107 R)
• M21: 20,237,301 km (0.079 R)
• M22: 22,737,530 km (0.087 R)
• M23: 26,308,282 km (0.115 R)
• M24: 28,925,047 km (0.073 R)
• M25: 30,599,945 km (0.089 R)
• M26: 32,086,200 km (0.048 R)
• M27: 34,010,926 km (0.103 R)
• M28: 44,798,878 km (0.106 R)
• M29: 49,348,298 km (0.088 R)
• M30: 50,022,386 km (0.118 R)
• M31: 53,484,979 km (0.089 R)
• M32: 57,660,854 km (0.088 R)
• M33: 67,684,659 km (0.095 R)
• M34: 68,308,033 km (0.095 R)
• M35: 71,053,603 km (0.103 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: 413 - 13,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit