🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 10.2

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.76 AU - 0.8 AU

Year: 476 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 117.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,044,781 km

• M1: 126,859 km (0.096 R)
• M2: 484,697 km (0.109 R)
• M3: 834,457 km (0.045 R)
• M4: 1,159,533 km (0.044 R)
• M5: 1,480,421 km (0.096 R)
• M6: 1,840,951 km (0.08 R)
• M7: 2,442,036 km (0.117 R)
• M8: 3,048,954 km (0.087 R)
• M9: 3,904,355 km (0.113 R)
• M10: 4,318,891 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.6

Radius: 11.3

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.74 AU - 0.94 AU

Year: 531 Days

Day: 10.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,044,781 km

• M1: 145,110 km (0.088 R)
• M2: 697,126 km (0.096 R)
• M3: 1,134,999 km (0.047 R)
• M4: 1,741,768 km (0.083 R)
• M5: 2,240,527 km (0.116 R)
• M6: 3,204,087 km (0.075 R)
• M7: 3,580,775 km (0.046 R)
• M8: 4,057,992 km (0.105 R)
• M9: 4,561,987 km (0.101 R)
• M10: 5,932,603 km (0.109 R)
• M11: 6,603,250 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.6

Radius: 12

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.28 AU - 2.56 AU

Year: 2599 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,044,781 km

• M1: 149,299 km (0.076 R)
• M2: 524,939 km (0.06 R)
• M3: 907,610 km (0.12 R)
• M4: 1,301,053 km (0.105 R)
• M5: 2,060,262 km (0.114 R)
• M6: 2,503,221 km (0.079 R)
• M7: 3,125,100 km (0.112 R)
• M8: 3,568,508 km (0.054 R)
• M9: 4,213,424 km (0.106 R)
• M10: 5,035,464 km (0.094 R)
• M11: 6,550,292 km (0.112 R)
• M12: 7,203,287 km (0.107 R)
• M13: 9,900,387 km (0.113 R)
• M14: 12,938,271 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.7

Radius: 8

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.32 AU - 2.6 AU

Year: 2663 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,044,781 km

• M1: 102,475 km (0.088 R)
• M2: 360,680 km (0.099 R)
• M3: 773,870 km (0.084 R)
• M4: 1,075,758 km (0.099 R)
• M5: 1,355,506 km (0.041 R)
• M6: 1,694,645 km (0.087 R)
• M7: 2,138,801 km (0.072 R)
• M8: 2,658,653 km (0.118 R)
• M9: 3,243,731 km (0.073 R)
• M10: 3,602,167 km (0.083 R)
• M11: 5,471,243 km (0.116 R)
• M12: 8,624,317 km (0.05 R)
• M13: 9,014,169 km (0.115 R)
• M14: 11,605,504 km (0.118 R)
• M15: 11,921,006 km (0.054 R)
• M16: 13,241,057 km (0.089 R)
• M17: 14,793,434 km (0.111 R)
• M18: 15,071,237 km (0.11 R)
• M19: 15,589,744 km (0.088 R)
• M20: 15,877,420 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 8.7

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.06 AU - 3.9 AU

Year: 4481 Days

Day: 6.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,044,781 km

• M1: 121,174 km (0.079 R)
• M2: 515,813 km (0.076 R)
• M3: 830,867 km (0.096 R)
• M4: 1,642,585 km (0.114 R)
• M5: 2,091,378 km (0.041 R)
• M6: 2,476,144 km (0.069 R)
• M7: 3,689,831 km (0.029 R)
• M8: 4,581,584 km (0.059 R)
• M9: 8,659,323 km (0.093 R)
• M10: 9,815,116 km (0.106 R)
• M11: 10,305,049 km (0.082 R)
• M12: 10,897,307 km (0.046 R)
• M13: 14,101,394 km (0.089 R)
• M14: 23,717,246 km (0.031 R)
• M15: 24,303,221 km (0.097 R)
• M16: 25,049,116 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 8.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.12 AU - 4.86 AU

Year: 6567 Days

Day: 5.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,044,781 km

• M1: 115,490 km (0.115 R)
• M2: 494,271 km (0.115 R)
• M3: 1,027,588 km (0.093 R)
• M4: 1,390,811 km (0.074 R)
• M5: 1,780,963 km (0.098 R)
• M6: 2,599,712 km (0.118 R)
• M7: 2,977,147 km (0.081 R)
• M8: 5,493,383 km (0.102 R)
• M9: 6,673,711 km (0.073 R)
• M10: 8,343,522 km (0.106 R)
• M11: 9,527,888 km (0.116 R)
• M12: 12,662,712 km (0.098 R)
• M13: 13,244,647 km (0.112 R)
• M14: 14,127,125 km (0.114 R)
• M15: 19,311,739 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.5

Radius: 3.2

Gravity: 89.21 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.06 AU - 6.06 AU

Year: 10297 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 175.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 72,044,781 km

• M1: 70,610 km (0.026 R)
• M2: 214,075 km (0.092 R)
• M3: 343,028 km (0.097 R)
• M4: 496,216 km (0.075 R)
• M5: 811,269 km (0.075 R)
• M6: 1,885,232 km (0.034 R)
• M7: 2,042,909 km (0.037 R)
• M8: 2,697,250 km (0.093 R)
• M9: 3,013,051 km (0.026 R)
• M10: 3,253,454 km (0.116 R)
• M11: 4,079,983 km (0.096 R)
• M12: 4,225,242 km (0.06 R)
• M13: 4,809,272 km (0.082 R)
• M14: 5,137,340 km (0.043 R)
• M15: 6,800,270 km (0.11 R)
• M16: 8,742,500 km (0.109 R)
• M17: 9,787,740 km (0.112 R)
• M18: 10,048,339 km (0.038 R)
• M19: 10,692,807 km (0.095 R)
• M20: 11,594,134 km (0.1 R)
• M21: 14,132,810 km (0.084 R)
• M22: 14,398,795 km (0.059 R)
• M23: 15,216,497 km (0.095 R)
• M24: 16,209,079 km (0.098 R)
• M25: 17,854,655 km (0.052 R)
• M26: 24,202,841 km (0.065 R)
• M27: 25,454,078 km (0.025 R)
• M28: 26,345,083 km (0.083 R)
• M29: 27,772,246 km (0.112 R)
• M30: 29,790,322 km (0.069 R)
• M31: 33,406,401 km (0.085 R)
• M32: 34,473,782 km (0.098 R)
• M33: 35,197,836 km (0.061 R)
• M34: 38,970,694 km (0.086 R)
• M35: 43,562,152 km (0.051 R)
• M36: 44,835,230 km (0.058 R)
• M37: 48,802,865 km (0.028 R)
• M38: 50,175,724 km (0.039 R)
• M39: 52,045,847 km (0.034 R)
• M40: 52,520,521 km (0.069 R)
• M41: 52,679,394 km (0.043 R)
• M42: 53,157,958 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.7

Radius: 4.2

Gravity: 33.88 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.83 AU - 9.71 AU

Year: 17927 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 72,044,781 km

• M1: 54,005 km (0.106 R)
• M2: 200,611 km (0.072 R)
• M3: 493,972 km (0.074 R)
• M4: 634,145 km (0.089 R)
• M5: 842,236 km (0.117 R)
• M6: 1,021,305 km (0.105 R)
• M7: 1,212,192 km (0.066 R)
• M8: 1,665,623 km (0.116 R)
• M9: 2,064,301 km (0.061 R)
• M10: 2,244,716 km (0.102 R)
• M11: 2,849,839 km (0.069 R)
• M12: 4,538,949 km (0.084 R)
• M13: 5,924,225 km (0.115 R)
• M14: 7,290,802 km (0.076 R)
• M15: 9,659,086 km (0.048 R)
• M16: 10,221,873 km (0.063 R)
• M17: 10,687,571 km (0.069 R)
• M18: 12,560,387 km (0.083 R)
• M19: 15,307,602 km (0.054 R)
• M20: 17,840,892 km (0.116 R)
• M21: 18,858,756 km (0.109 R)
• M22: 19,825,308 km (0.079 R)
• M23: 20,184,792 km (0.117 R)
• M24: 22,823,998 km (0.057 R)
• M25: 24,533,752 km (0.109 R)
• M26: 28,774,702 km (0.08 R)
• M27: 32,104,002 km (0.061 R)
• M28: 35,285,799 km (0.109 R)
• M29: 35,681,187 km (0.097 R)
• M30: 37,020,536 km (0.037 R)
• M31: 37,292,356 km (0.098 R)
• M32: 41,531,062 km (0.084 R)
• M33: 44,528,405 km (0.119 R)
• M34: 45,766,626 km (0.12 R)
• M35: 45,922,956 km (0.104 R)
• M36: 51,117,293 km (0.119 R)
• M37: 52,132,913 km (0.112 R)
• M38: 55,972,043 km (0.04 R)
• M39: 59,064,531 km (0.11 R)
• M40: 59,435,683 km (0.111 R)
• M41: 59,808,331 km (0.111 R)
• M42: 62,461,001 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.8

Radius: 5.5

Gravity: 21.84 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.23 AU - 10.85 AU

Year: 18761 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,044,781 km

• M1: 69,114 km (0.071 R)
• M2: 352,303 km (0.045 R)
• M3: 618,737 km (0.069 R)
• M4: 845,228 km (0.087 R)
• M5: 1,088,474 km (0.051 R)
• M6: 1,453,792 km (0.114 R)
• M7: 1,878,949 km (0.114 R)
• M8: 2,897,412 km (0.111 R)
• M9: 3,075,732 km (0.118 R)
• M10: 5,362,934 km (0.113 R)
• M11: 6,116,459 km (0.062 R)
• M12: 6,715,149 km (0.048 R)
• M13: 7,446,234 km (0.095 R)
• M14: 8,229,080 km (0.104 R)
• M15: 9,283,146 km (0.077 R)
• M16: 10,072,574 km (0.078 R)
• M17: 12,043,526 km (0.077 R)
• M18: 14,404,480 km (0.063 R)
• M19: 14,626,483 km (0.07 R)
• M20: 16,647,849 km (0.111 R)
• M21: 20,855,589 km (0.066 R)
• M22: 23,610,583 km (0.1 R)
• M23: 28,183,640 km (0.08 R)
• M24: 31,291,686 km (0.111 R)
• M25: 33,184,697 km (0.059 R)
• M26: 35,555,524 km (0.053 R)
• M27: 38,036,904 km (0.098 R)
• M28: 39,032,328 km (0.118 R)
• M29: 41,372,488 km (0.119 R)
• M30: 45,849,354 km (0.114 R)
• M31: 63,748,440 km (0.103 R)
• M32: 66,575,391 km (0.072 R)
• M33: 68,644,928 km (0.031 R)
• M34: 70,118,916 km (0.088 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: 177 - 13,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit