🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.9

Radius: 9.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.55 AU - 0.87 AU

Year: 386 Days

Day: 5.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,564,991 km

• M1: 121,922 km (0.116 R)
• M2: 499,358 km (0.111 R)
• M3: 1,196,334 km (0.089 R)
• M4: 1,893,759 km (0.118 R)
• M5: 2,707,572 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 10.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.67 AU - 1.09 AU

Year: 533 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,564,991 km

• M1: 135,536 km (0.061 R)
• M2: 529,876 km (0.081 R)
• M3: 1,285,046 km (0.057 R)
• M4: 1,827,488 km (0.108 R)
• M5: 2,202,829 km (0.099 R)
• M6: 2,568,595 km (0.106 R)
• M7: 3,031,750 km (0.057 R)
• M8: 3,653,030 km (0.102 R)
• M9: 4,113,044 km (0.066 R)
• M10: 4,596,395 km (0.113 R)
• M11: 5,150,056 km (0.103 R)
• M12: 5,537,814 km (0.079 R)
• M13: 5,999,623 km (0.095 R)
• M14: 6,564,205 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 10.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.15 AU - 1.21 AU

Year: 828 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,564,991 km

• M1: 129,402 km (0.099 R)
• M2: 543,639 km (0.115 R)
• M3: 1,181,374 km (0.083 R)
• M4: 1,548,637 km (0.033 R)
• M5: 1,958,835 km (0.082 R)
• M6: 2,344,647 km (0.075 R)
• M7: 3,082,464 km (0.052 R)
• M8: 3,405,895 km (0.061 R)
• M9: 4,136,082 km (0.076 R)
• M10: 4,485,991 km (0.1 R)
• M11: 5,080,792 km (0.103 R)
• M12: 5,870,220 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 8.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.17 AU - 1.61 AU

Year: 1058 Days

Day: 10 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,564,991 km

• M1: 108,458 km (0.096 R)
• M2: 403,615 km (0.114 R)
• M3: 754,721 km (0.103 R)
• M4: 1,033,721 km (0.099 R)
• M5: 1,408,015 km (0.078 R)
• M6: 1,980,676 km (0.045 R)
• M7: 2,461,783 km (0.116 R)
• M8: 3,018,885 km (0.09 R)
• M9: 4,466,992 km (0.115 R)
• M10: 4,943,910 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 13.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.54 AU - 1.98 AU

Year: 1508 Days

Day: 9.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,564,991 km

• M1: 164,109 km (0.094 R)
• M2: 845,677 km (0.029 R)
• M3: 1,265,748 km (0.036 R)
• M4: 1,820,756 km (0.111 R)
• M5: 2,278,675 km (0.075 R)
• M6: 3,255,848 km (0.073 R)
• M7: 3,824,619 km (0.1 R)
• M8: 4,586,970 km (0.04 R)
• M9: 6,745,518 km (0.078 R)
• M10: 7,364,404 km (0.074 R)
• M11: 9,421,225 km (0.067 R)
• M12: 10,517,179 km (0.099 R)
• M13: 11,385,146 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 10.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.94 AU - 2.48 AU

Year: 2121 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,564,991 km

• M1: 138,976 km (0.106 R)
• M2: 729,439 km (0.096 R)
• M3: 1,370,765 km (0.11 R)
• M4: 1,867,580 km (0.088 R)
• M5: 2,249,204 km (0.083 R)
• M6: 2,707,123 km (0.093 R)
• M7: 3,037,734 km (0.048 R)
• M8: 3,423,996 km (0.116 R)
• M9: 4,968,744 km (0.08 R)
• M10: 6,149,968 km (0.118 R)
• M11: 8,809,819 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.7

Radius: 8.4

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.15 AU - 2.67 AU

Year: 2416 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,564,991 km

• M1: 104,569 km (0.118 R)
• M2: 496,366 km (0.074 R)
• M3: 1,162,824 km (0.09 R)
• M4: 1,517,371 km (0.077 R)
• M5: 2,446,972 km (0.028 R)
• M6: 2,887,987 km (0.119 R)
• M7: 3,170,577 km (0.093 R)
• M8: 4,152,388 km (0.118 R)
• M9: 4,601,780 km (0.085 R)
• M10: 5,497,123 km (0.096 R)
• M11: 7,505,325 km (0.106 R)
• M12: 7,978,204 km (0.093 R)
• M13: 9,053,663 km (0.059 R)
• M14: 9,553,320 km (0.091 R)
• M15: 11,163,292 km (0.031 R)
• M16: 13,125,717 km (0.051 R)
• M17: 14,716,691 km (0.102 R)
• M18: 17,068,219 km (0.071 R)
• M19: 18,108,673 km (0.107 R)
• M20: 18,389,468 km (0.03 R)
• M21: 18,730,102 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 8.1

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.51 AU - 3.23 AU

Year: 3139 Days

Day: 9.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,564,991 km

• M1: 100,679 km (0.085 R)
• M2: 374,892 km (0.085 R)
• M3: 706,102 km (0.107 R)
• M4: 1,329,775 km (0.078 R)
• M5: 1,675,945 km (0.094 R)
• M6: 2,054,577 km (0.089 R)
• M7: 2,680,046 km (0.101 R)
• M8: 3,388,093 km (0.11 R)
• M9: 3,683,848 km (0.109 R)
• M10: 3,996,657 km (0.118 R)
• M11: 4,395,634 km (0.063 R)
• M12: 5,808,885 km (0.118 R)
• M13: 6,061,556 km (0.093 R)
• M14: 6,649,326 km (0.037 R)
• M15: 7,404,197 km (0.096 R)
• M16: 8,215,017 km (0.089 R)
• M17: 9,234,228 km (0.078 R)
• M18: 10,294,727 km (0.074 R)
• M19: 12,843,725 km (0.118 R)
• M20: 14,314,571 km (0.071 R)
• M21: 15,785,567 km (0.099 R)
• M22: 16,334,592 km (0.117 R)
• M23: 18,841,553 km (0.083 R)
• M24: 19,899,658 km (0.062 R)
• M25: 20,154,424 km (0.081 R)
• M26: 20,670,237 km (0.103 R)
• M27: 22,683,226 km (0.057 R)
• M28: 23,808,651 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.5

Radius: 6.1

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.01 AU - 9.07 AU

Year: 16114 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,564,991 km

• M1: 86,168 km (0.09 R)
• M2: 475,422 km (0.06 R)
• M3: 895,044 km (0.092 R)
• M4: 1,278,613 km (0.109 R)
• M5: 1,508,695 km (0.113 R)
• M6: 2,273,888 km (0.046 R)
• M7: 2,698,895 km (0.113 R)
• M8: 3,841,374 km (0.105 R)
• M9: 4,413,885 km (0.113 R)
• M10: 7,798,687 km (0.054 R)
• M11: 8,201,853 km (0.042 R)
• M12: 9,098,842 km (0.1 R)
• M13: 9,851,768 km (0.096 R)
• M14: 14,649,072 km (0.111 R)
• M15: 15,262,872 km (0.06 R)
• M16: 20,634,782 km (0.065 R)
• M17: 20,889,547 km (0.115 R)
• M18: 24,491,565 km (0.116 R)
• M19: 27,042,508 km (0.043 R)
• M20: 29,765,040 km (0.083 R)
• M21: 30,090,565 km (0.112 R)
• M22: 40,065,003 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.6

Radius: 5.7

Gravity: 30.77 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.94 AU - 9.56 AU

Year: 16712 Days

Day: 21.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,564,991 km

• M1: 82,877 km (0.081 R)
• M2: 571,165 km (0.109 R)
• M3: 907,760 km (0.087 R)
• M4: 1,384,528 km (0.1 R)
• M5: 1,714,392 km (0.113 R)
• M6: 1,898,098 km (0.031 R)
• M7: 2,136,258 km (0.118 R)
• M8: 2,696,801 km (0.048 R)
• M9: 2,972,510 km (0.101 R)
• M10: 3,945,494 km (0.059 R)
• M11: 4,470,284 km (0.082 R)
• M12: 4,857,144 km (0.072 R)
• M13: 8,583,477 km (0.104 R)
• M14: 8,851,706 km (0.087 R)
• M15: 9,981,020 km (0.115 R)
• M16: 10,277,673 km (0.088 R)
• M17: 12,936,925 km (0.115 R)
• M18: 15,228,614 km (0.048 R)
• M19: 15,701,493 km (0.081 R)
• M20: 16,265,328 km (0.111 R)
• M21: 18,478,628 km (0.043 R)
• M22: 18,746,259 km (0.095 R)
• M23: 19,749,761 km (0.115 R)
• M24: 22,363,834 km (0.069 R)
• M25: 23,284,161 km (0.108 R)
• M26: 25,199,911 km (0.107 R)
• M27: 28,980,548 km (0.102 R)
• M28: 31,446,669 km (0.09 R)
• M29: 36,092,730 km (0.103 R)
• M30: 37,357,431 km (0.066 R)
• M31: 43,651,312 km (0.119 R)
• M32: 47,047,782 km (0.099 R)
• M33: 50,268,924 km (0.077 R)
• M34: 56,021,111 km (0.119 R)
• M35: 59,441,966 km (0.093 R)
• M36: 65,448,171 km (0.091 R)
• M37: 67,536,707 km (0.079 R)
• M38: 68,597,505 km (0.111 R)
• M39: 72,066,530 km (0.079 R)
• M40: 74,068,299 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 11,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit