🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713

Radius: 9.2

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,777,042 km

• M1: 114,442 km (0.09 R)
• M2: 429,047 km (0.094 R)
• M3: 731,683 km (0.105 R)
• M4: 1,275,322 km (0.085 R)
• M5: 1,605,484 km (0.098 R)
• M6: 1,947,914 km (0.11 R)
• M7: 2,305,154 km (0.079 R)
• M8: 2,898,908 km (0.067 R)
• M9: 3,226,976 km (0.096 R)
• M10: 3,591,246 km (0.095 R)
• M11: 4,157,624 km (0.058 R)
• M12: 4,589,962 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 9.7

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.9 AU - 0.94 AU

Year: 588 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,777,042 km

• M1: 120,576 km (0.116 R)
• M2: 436,826 km (0.114 R)
• M3: 778,507 km (0.064 R)
• M4: 1,089,372 km (0.118 R)
• M5: 1,650,962 km (0.092 R)
• M6: 2,021,666 km (0.068 R)
• M7: 3,494,756 km (0.079 R)
• M8: 3,922,456 km (0.11 R)
• M9: 4,246,934 km (0.092 R)
• M10: 4,767,385 km (0.106 R)
• M11: 5,454,638 km (0.094 R)
• M12: 5,766,250 km (0.093 R)
• M13: 6,485,666 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 12.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.23 AU - 1.63 AU

Year: 1140 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,777,042 km

• M1: 159,172 km (0.059 R)
• M2: 565,480 km (0.077 R)
• M3: 1,187,508 km (0.103 R)
• M4: 2,229,607 km (0.042 R)
• M5: 3,040,876 km (0.096 R)
• M6: 3,721,995 km (0.108 R)
• M7: 4,588,167 km (0.056 R)
• M8: 5,633,557 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.9

Radius: 14.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.68 AU - 2.28 AU

Year: 1858 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,777,042 km

• M1: 176,974 km (0.071 R)
• M2: 982,110 km (0.029 R)
• M3: 1,770,640 km (0.099 R)
• M4: 2,229,457 km (0.09 R)
• M5: 3,044,616 km (0.107 R)
• M6: 4,477,614 km (0.118 R)
• M7: 4,916,235 km (0.058 R)
• M8: 7,084,506 km (0.079 R)
• M9: 7,560,826 km (0.037 R)
• M10: 9,065,033 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.4

Radius: 11.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.1 AU - 3.2 AU

Year: 2877 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,777,042 km

• M1: 147,952 km (0.074 R)
• M2: 613,351 km (0.113 R)
• M3: 1,413,401 km (0.105 R)
• M4: 1,870,422 km (0.109 R)
• M5: 2,562,312 km (0.043 R)
• M6: 3,032,199 km (0.11 R)
• M7: 3,496,252 km (0.099 R)
• M8: 4,530,871 km (0.106 R)
• M9: 5,038,307 km (0.105 R)
• M10: 5,605,283 km (0.071 R)
• M11: 6,892,423 km (0.099 R)
• M12: 8,197,066 km (0.103 R)
• M13: 9,012,973 km (0.101 R)
• M14: 10,637,605 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 12.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.13 AU - 3.85 AU

Year: 4348 Days

Day: 13 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,777,042 km

• M1: 153,936 km (0.104 R)
• M2: 570,865 km (0.092 R)
• M3: 1,919,490 km (0.112 R)
• M4: 2,800,921 km (0.082 R)
• M5: 3,442,097 km (0.106 R)
• M6: 3,955,517 km (0.05 R)
• M7: 4,368,557 km (0.113 R)
• M8: 5,941,579 km (0.043 R)
• M9: 6,856,818 km (0.12 R)
• M10: 8,057,192 km (0.077 R)
• M11: 8,862,776 km (0.047 R)
• M12: 9,357,048 km (0.106 R)
• M13: 14,965,322 km (0.051 R)
• M14: 17,409,153 km (0.111 R)
• M15: 17,794,667 km (0.087 R)
• M16: 18,355,210 km (0.096 R)
• M17: 19,570,992 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.8

Radius: 8

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.94 AU - 4.96 AU

Year: 6260 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,777,042 km

• M1: 100,380 km (0.09 R)
• M2: 394,639 km (0.066 R)
• M3: 909,405 km (0.108 R)
• M4: 1,213,987 km (0.059 R)
• M5: 1,574,218 km (0.089 R)
• M6: 1,848,431 km (0.104 R)
• M7: 2,460,885 km (0.096 R)
• M8: 3,141,555 km (0.081 R)
• M9: 3,408,737 km (0.088 R)
• M10: 5,146,316 km (0.043 R)
• M11: 5,489,643 km (0.086 R)
• M12: 6,318,416 km (0.105 R)
• M13: 6,612,375 km (0.107 R)
• M14: 6,984,126 km (0.085 R)
• M15: 7,843,865 km (0.097 R)
• M16: 8,183,752 km (0.107 R)
• M17: 8,652,292 km (0.044 R)
• M18: 9,515,173 km (0.025 R)
• M19: 9,772,032 km (0.039 R)
• M20: 10,615,764 km (0.072 R)
• M21: 11,701,246 km (0.059 R)
• M22: 15,109,086 km (0.118 R)
• M23: 16,054,245 km (0.117 R)
• M24: 17,290,522 km (0.12 R)
• M25: 19,881,856 km (0.098 R)
• M26: 26,069,374 km (0.117 R)
• M27: 26,997,778 km (0.109 R)
• M28: 27,513,442 km (0.04 R)
• M29: 29,010,019 km (0.054 R)
• M30: 31,782,068 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 11.2

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.5 AU - 4.88 AU

Year: 6773 Days

Day: 14.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,777,042 km

• M1: 139,276 km (0.093 R)
• M2: 638,783 km (0.106 R)
• M3: 1,138,889 km (0.088 R)
• M4: 2,024,209 km (0.088 R)
• M5: 2,519,976 km (0.062 R)
• M6: 2,920,150 km (0.108 R)
• M7: 3,491,016 km (0.081 R)
• M8: 4,014,608 km (0.094 R)
• M9: 4,563,782 km (0.107 R)
• M10: 6,385,585 km (0.104 R)
• M11: 7,754,854 km (0.03 R)
• M12: 8,488,931 km (0.061 R)
• M13: 9,917,292 km (0.105 R)
• M14: 11,018,182 km (0.06 R)
• M15: 11,549,105 km (0.103 R)
• M16: 14,693,952 km (0.108 R)
• M17: 15,042,664 km (0.106 R)
• M18: 15,636,418 km (0.071 R)
• M19: 16,369,448 km (0.107 R)
• M20: 17,576,703 km (0.103 R)
• M21: 20,744,138 km (0.052 R)
• M22: 25,506,287 km (0.11 R)
• M23: 27,301,163 km (0.102 R)
• M24: 30,950,752 km (0.074 R)
• M25: 31,524,759 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.5

Radius: 6.3

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8 AU - 12.62 AU

Year: 22076 Days

Day: 22.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,777,042 km

• M1: 78,539 km (0.093 R)
• M2: 284,834 km (0.098 R)
• M3: 707,149 km (0.115 R)
• M4: 1,137,841 km (0.119 R)
• M5: 1,351,168 km (0.116 R)
• M6: 1,677,441 km (0.103 R)
• M7: 2,035,129 km (0.075 R)
• M8: 2,243,070 km (0.08 R)
• M9: 3,931,731 km (0.114 R)
• M10: 5,260,908 km (0.102 R)
• M11: 6,026,999 km (0.082 R)
• M12: 6,865,046 km (0.104 R)
• M13: 8,934,284 km (0.102 R)
• M14: 10,627,283 km (0.027 R)
• M15: 11,065,754 km (0.107 R)
• M16: 11,912,329 km (0.065 R)
• M17: 13,154,590 km (0.097 R)
• M18: 24,682,302 km (0.108 R)
• M19: 26,122,780 km (0.093 R)
• M20: 28,927,591 km (0.103 R)
• M21: 30,905,275 km (0.102 R)
• M22: 33,235,710 km (0.057 R)
• M23: 35,265,155 km (0.109 R)
• M24: 44,532,593 km (0.034 R)
• M25: 45,835,142 km (0.081 R)
• M26: 46,661,969 km (0.093 R)
• M27: 47,498,820 km (0.11 R)
• M28: 51,477,375 km (0.118 R)
• M29: 53,092,883 km (0.089 R)
• M30: 53,821,574 km (0.103 R)
• M31: 55,672,548 km (0.099 R)
• M32: 56,803,209 km (0.116 R)
• M33: 63,910,754 km (0.083 R)
• M34: 67,039,144 km (0.095 R)
• M35: 68,533,477 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.4

Radius: 5.2

Gravity: 22.91 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.87 AU - 11.85 AU

Year: 23866 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 139 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,777,042 km

• M1: 65,823 km (0.091 R)
• M2: 254,915 km (0.098 R)
• M3: 1,044,941 km (0.103 R)
• M4: 1,295,966 km (0.112 R)
• M5: 1,919,490 km (0.081 R)
• M6: 3,037,136 km (0.084 R)
• M7: 3,431,626 km (0.111 R)
• M8: 3,610,993 km (0.117 R)
• M9: 3,828,060 km (0.102 R)
• M10: 5,201,069 km (0.083 R)
• M11: 6,324,848 km (0.1 R)
• M12: 7,501,735 km (0.115 R)
• M13: 14,128,322 km (0.089 R)
• M14: 14,512,639 km (0.116 R)
• M15: 16,708,885 km (0.119 R)
• M16: 18,654,705 km (0.063 R)
• M17: 20,452,572 km (0.072 R)
• M18: 21,645,765 km (0.045 R)
• M19: 25,843,331 km (0.093 R)
• M20: 26,186,958 km (0.099 R)
• M21: 31,715,197 km (0.047 R)
• M22: 33,854,148 km (0.106 R)
• M23: 36,516,990 km (0.073 R)
• M24: 39,315,966 km (0.043 R)
• M25: 40,382,300 km (0.059 R)
• M26: 41,624,261 km (0.113 R)
• M27: 46,340,334 km (0.11 R)
• M28: 46,847,620 km (0.118 R)
• M29: 54,530,967 km (0.108 R)
• M30: 63,843,734 km (0.118 R)
• M31: 64,052,722 km (0.096 R)
• M32: 64,471,746 km (0.096 R)
• M33: 65,740,186 km (0.065 R)
• M34: 66,809,811 km (0.096 R)
• M35: 74,161,798 km (0.157 R)
• M36: 74,392,628 km (0.13 R)
• M37: 75,088,108 km (0.049 R)
• M38: 78,390,481 km (0.105 R)
• M39: 80,807,833 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 13,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit