🌌 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: 459.7

Radius: 9.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.75 AU - 0.81 AU

Year: 467 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,270,435 km

• M1: 127,457 km (0.048 R)
• M2: 483,351 km (0.07 R)
• M3: 853,007 km (0.104 R)
• M4: 1,396,496 km (0.117 R)
• M5: 1,722,619 km (0.094 R)
• M6: 2,183,830 km (0.106 R)
• M7: 2,716,099 km (0.095 R)
• M8: 3,483,536 km (0.11 R)
• M9: 4,158,970 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.4

Radius: 9.4

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.01 AU - 2.59 AU

Year: 2366 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,270,435 km

• M1: 119,529 km (0.081 R)
• M2: 497,712 km (0.098 R)
• M3: 2,534,637 km (0.093 R)
• M4: 3,056,434 km (0.05 R)
• M5: 3,442,995 km (0.113 R)
• M6: 5,004,348 km (0.082 R)
• M7: 6,534,884 km (0.055 R)
• M8: 9,860,145 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 14.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.33 AU - 4.75 AU

Year: 5508 Days

Day: 10.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,270,435 km

• M1: 176,525 km (0.051 R)
• M2: 697,126 km (0.08 R)
• M3: 1,257,968 km (0.066 R)
• M4: 1,891,366 km (0.1 R)
• M5: 2,373,071 km (0.038 R)
• M6: 3,860,523 km (0.067 R)
• M7: 4,941,816 km (0.106 R)
• M8: 6,542,364 km (0.038 R)
• M9: 7,589,698 km (0.1 R)
• M10: 9,840,548 km (0.111 R)
• M11: 11,310,796 km (0.03 R)
• M12: 11,848,600 km (0.099 R)
• M13: 13,457,076 km (0.1 R)
• M14: 14,683,929 km (0.086 R)
• M15: 15,148,131 km (0.037 R)
• M16: 16,167,191 km (0.076 R)
• M17: 18,076,509 km (0.113 R)
• M18: 21,290,021 km (0.087 R)
• M19: 27,579,564 km (0.072 R)
• M20: 29,189,387 km (0.119 R)
• M21: 30,296,860 km (0.102 R)
• M22: 31,720,433 km (0.081 R)
• M23: 32,891,037 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560

Radius: 11.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.16 AU - 5.04 AU

Year: 5631 Days

Day: 14.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,270,435 km

• M1: 139,874 km (0.118 R)
• M2: 524,041 km (0.073 R)
• M3: 928,255 km (0.114 R)
• M4: 1,283,101 km (0.082 R)
• M5: 1,943,875 km (0.028 R)
• M6: 2,643,394 km (0.071 R)
• M7: 3,061,969 km (0.104 R)
• M8: 3,964,942 km (0.101 R)
• M9: 4,441,710 km (0.069 R)
• M10: 4,903,220 km (0.096 R)
• M11: 5,743,661 km (0.118 R)
• M12: 6,198,737 km (0.106 R)
• M13: 6,776,484 km (0.116 R)
• M14: 8,378,827 km (0.075 R)
• M15: 9,005,343 km (0.112 R)
• M16: 10,089,928 km (0.102 R)
• M17: 11,494,352 km (0.079 R)
• M18: 12,022,882 km (0.104 R)
• M19: 12,922,414 km (0.073 R)
• M20: 15,252,849 km (0.092 R)
• M21: 17,097,989 km (0.118 R)
• M22: 18,299,859 km (0.093 R)
• M23: 19,829,048 km (0.05 R)
• M24: 20,450,179 km (0.071 R)
• M25: 21,586,075 km (0.109 R)
• M26: 24,768,022 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.9

Radius: 8.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.58 AU - 4.66 AU

Year: 5672 Days

Day: 5.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,270,435 km

• M1: 101,727 km (0.04 R)
• M2: 360,830 km (0.09 R)
• M3: 1,247,048 km (0.095 R)
• M4: 1,521,560 km (0.094 R)
• M5: 2,057,120 km (0.091 R)
• M6: 3,539,934 km (0.066 R)
• M7: 3,885,057 km (0.086 R)
• M8: 4,456,221 km (0.1 R)
• M9: 6,419,394 km (0.066 R)
• M10: 6,902,895 km (0.115 R)
• M11: 7,640,262 km (0.113 R)
• M12: 9,195,632 km (0.118 R)
• M13: 10,616,811 km (0.046 R)
• M14: 11,953,169 km (0.073 R)
• M15: 12,361,272 km (0.064 R)
• M16: 13,592,762 km (0.104 R)
• M17: 15,008,406 km (0.083 R)
• M18: 17,083,179 km (0.109 R)
• M19: 18,308,236 km (0.11 R)
• M20: 19,716,102 km (0.071 R)
• M21: 22,607,978 km (0.101 R)
• M22: 22,884,136 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.3

Radius: 4.2

Gravity: 54.72 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.02 AU - 9.56 AU

Year: 19205 Days

Day: 19.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 87.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,270,435 km

• M1: 52,210 km (0.113 R)
• M2: 206,595 km (0.075 R)
• M3: 349,461 km (0.069 R)
• M4: 512,373 km (0.084 R)
• M5: 1,022,801 km (0.098 R)
• M6: 1,348,774 km (0.058 R)
• M7: 2,248,157 km (0.096 R)
• M8: 3,143,949 km (0.119 R)
• M9: 4,569,467 km (0.098 R)
• M10: 5,322,991 km (0.118 R)
• M11: 5,483,211 km (0.093 R)
• M12: 8,777,655 km (0.103 R)
• M13: 10,055,520 km (0.099 R)
• M14: 10,802,313 km (0.056 R)
• M15: 13,484,453 km (0.047 R)
• M16: 16,664,455 km (0.114 R)
• M17: 17,180,867 km (0.064 R)
• M18: 21,906,364 km (0.063 R)
• M19: 23,476,843 km (0.1 R)
• M20: 24,454,166 km (0.101 R)
• M21: 24,675,122 km (0.095 R)
• M22: 26,839,803 km (0.064 R)
• M23: 33,950,040 km (0.116 R)
• M24: 38,826,631 km (0.083 R)
• M25: 40,653,521 km (0.066 R)
• M26: 46,985,101 km (0.119 R)
• M27: 47,669,361 km (0.103 R)
• M28: 50,116,783 km (0.112 R)
• M29: 56,406,625 km (0.036 R)
• M30: 58,155,424 km (0.073 R)
• M31: 61,352,929 km (0.111 R)
• M32: 64,665,924 km (0.094 R)
• M33: 67,443,806 km (0.118 R)
• M34: 75,316,095 km (0.1 R)
• M35: 76,724,410 km (0.038 R)
• M36: 77,197,588 km (0.097 R)
• M37: 78,869,493 km (0.098 R)
• M38: 82,285,262 km (0.077 R)
• M39: 82,781,029 km (0.074 R)
• M40: 83,029,810 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.9

Radius: 5.3

Gravity: 25.13 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.79 AU - 11.13 AU

Year: 19735 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 72.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,270,435 km

• M1: 68,965 km (0.049 R)
• M2: 532,269 km (0.103 R)
• M3: 1,357,750 km (0.085 R)
• M4: 2,800,921 km (0.059 R)
• M5: 3,273,351 km (0.109 R)
• M6: 3,470,820 km (0.091 R)
• M7: 5,664,374 km (0.095 R)
• M8: 5,867,228 km (0.027 R)
• M9: 6,287,449 km (0.12 R)
• M10: 7,140,905 km (0.111 R)
• M11: 7,570,999 km (0.114 R)
• M12: 8,856,344 km (0.101 R)
• M13: 14,686,173 km (0.085 R)
• M14: 17,171,442 km (0.106 R)
• M15: 20,298,935 km (0.109 R)
• M16: 21,063,530 km (0.106 R)
• M17: 21,649,505 km (0.105 R)
• M18: 21,847,123 km (0.042 R)
• M19: 23,576,624 km (0.114 R)
• M20: 24,635,628 km (0.084 R)
• M21: 26,734,187 km (0.085 R)
• M22: 26,961,725 km (0.076 R)
• M23: 34,138,982 km (0.053 R)
• M24: 35,082,945 km (0.083 R)
• M25: 37,022,780 km (0.039 R)
• M26: 43,112,910 km (0.045 R)
• M27: 43,426,018 km (0.116 R)
• M28: 43,740,622 km (0.038 R)
• M29: 48,813,037 km (0.115 R)
• M30: 49,153,073 km (0.116 R)
• M31: 51,051,919 km (0.059 R)
• M32: 56,852,876 km (0.11 R)
• M33: 63,279,451 km (0.095 R)
• M34: 63,481,408 km (0.084 R)
• M35: 64,089,972 km (0.075 R)
• M36: 64,293,574 km (0.078 R)
• M37: 64,907,225 km (0.098 R)
• M38: 74,361,362 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.7

Radius: 3.9

Gravity: 19.64 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.23 AU - 10.71 AU

Year: 21352 Days

Day: 21.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,270,435 km

• M1: 48,619 km (0.099 R)
• M2: 314,156 km (0.088 R)
• M3: 495,019 km (0.116 R)
• M4: 655,388 km (0.097 R)
• M5: 1,070,672 km (0.094 R)
• M6: 1,247,048 km (0.098 R)
• M7: 2,115,763 km (0.114 R)
• M8: 2,436,351 km (0.084 R)
• M9: 2,586,547 km (0.114 R)
• M10: 4,049,016 km (0.051 R)
• M11: 4,704,255 km (0.07 R)
• M12: 4,937,478 km (0.089 R)
• M13: 5,796,319 km (0.109 R)
• M14: 6,750,305 km (0.045 R)
• M15: 8,178,815 km (0.107 R)
• M16: 8,963,456 km (0.079 R)
• M17: 9,797,165 km (0.105 R)
• M18: 10,232,794 km (0.077 R)
• M19: 12,733,920 km (0.118 R)
• M20: 13,583,786 km (0.048 R)
• M21: 15,835,383 km (0.067 R)
• M22: 25,050,313 km (0.116 R)
• M23: 25,556,403 km (0.03 R)
• M24: 26,276,268 km (0.097 R)
• M25: 32,529,459 km (0.12 R)
• M26: 41,228,126 km (0.112 R)
• M27: 42,646,314 km (0.059 R)
• M28: 44,243,570 km (0.103 R)
• M29: 49,749,221 km (0.086 R)
• M30: 54,165,799 km (0.098 R)
• M31: 57,425,835 km (0.1 R)
• M32: 58,481,847 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 20,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit