🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.6

Radius: 9.8

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.63 AU

Year: 243 Days

Day: 13.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,569,353 km

• M1: 121,922 km (0.097 R)
• M2: 430,543 km (0.032 R)
• M3: 740,809 km (0.066 R)
• M4: 1,289,384 km (0.113 R)
• M5: 1,766,302 km (0.032 R)
• M6: 2,242,771 km (0.109 R)
• M7: 2,682,439 km (0.109 R)
• M8: 3,241,187 km (0.025 R)
• M9: 3,554,296 km (0.035 R)
• M10: 3,875,931 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.2

Radius: 14.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.51 AU - 0.59 AU

Year: 272 Days

Day: 11.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,569,353 km

• M1: 175,329 km (0.118 R)
• M2: 632,500 km (0.099 R)
• M3: 1,234,631 km (0.046 R)
• M4: 1,678,339 km (0.068 R)
• M5: 2,163,933 km (0.043 R)
• M6: 3,130,036 km (0.066 R)
• M7: 3,594,687 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 14.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.49 AU - 0.73 AU

Year: 318 Days

Day: 9.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,569,353 km

• M1: 180,415 km (0.071 R)
• M2: 689,646 km (0.086 R)
• M3: 1,355,955 km (0.05 R)
• M4: 1,923,380 km (0.088 R)
• M5: 2,606,294 km (0.075 R)
• M6: 3,334,387 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.8

Radius: 9.5

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.17 AU - 1.63 AU

Year: 1105 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,569,353 km

• M1: 118,182 km (0.091 R)
• M2: 493,075 km (0.096 R)
• M3: 820,844 km (0.037 R)
• M4: 1,196,933 km (0.034 R)
• M5: 2,069,088 km (0.068 R)
• M6: 2,424,383 km (0.101 R)
• M7: 2,781,473 km (0.113 R)
• M8: 3,450,325 km (0.098 R)
• M9: 3,823,123 km (0.078 R)
• M10: 4,222,699 km (0.117 R)
• M11: 4,798,950 km (0.096 R)
• M12: 5,185,062 km (0.111 R)
• M13: 6,085,791 km (0.113 R)
• M14: 7,285,566 km (0.082 R)
• M15: 7,796,742 km (0.069 R)
• M16: 8,141,715 km (0.072 R)
• M17: 8,636,135 km (0.054 R)
• M18: 9,534,620 km (0.038 R)
• M19: 10,303,553 km (0.072 R)

Asteroid Belt

Center: 1.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.9

Radius: 12.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.88 AU - 2.18 AU

Year: 1929 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,569,353 km

• M1: 153,039 km (0.033 R)
• M2: 602,131 km (0.065 R)
• M3: 1,006,195 km (0.091 R)
• M4: 1,495,380 km (0.085 R)
• M5: 2,636,363 km (0.103 R)
• M6: 3,451,672 km (0.098 R)
• M7: 3,909,591 km (0.107 R)
• M8: 4,309,167 km (0.088 R)
• M9: 4,820,492 km (0.081 R)
• M10: 5,372,060 km (0.089 R)
• M11: 6,164,479 km (0.104 R)
• M12: 6,708,268 km (0.106 R)
• M13: 7,454,462 km (0.093 R)
• M14: 8,692,384 km (0.03 R)
• M15: 9,410,903 km (0.038 R)
• M16: 9,992,988 km (0.035 R)
• M17: 11,003,971 km (0.036 R)
• M18: 15,455,854 km (0.112 R)
• M19: 15,929,630 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.3

Radius: 11.4

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.65 AU - 2.43 AU

Year: 1943 Days

Day: 12.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 167.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,569,353 km

• M1: 141,819 km (0.067 R)
• M2: 612,304 km (0.071 R)
• M3: 1,246,300 km (0.106 R)
• M4: 1,830,180 km (0.049 R)
• M5: 2,248,606 km (0.041 R)
• M6: 3,233,408 km (0.057 R)
• M7: 3,851,248 km (0.116 R)
• M8: 4,404,909 km (0.105 R)
• M9: 6,520,373 km (0.093 R)
• M10: 7,224,380 km (0.036 R)
• M11: 8,099,079 km (0.057 R)
• M12: 8,656,930 km (0.105 R)
• M13: 9,953,794 km (0.037 R)
• M14: 11,073,833 km (0.079 R)
• M15: 13,434,786 km (0.117 R)
• M16: 13,996,975 km (0.066 R)
• M17: 15,168,476 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 14.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.69 AU - 2.53 AU

Year: 2044 Days

Day: 14.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,569,353 km

• M1: 185,352 km (0.105 R)
• M2: 941,419 km (0.093 R)
• M3: 1,544,299 km (0.065 R)
• M4: 2,033,185 km (0.107 R)
• M5: 2,627,088 km (0.114 R)
• M6: 3,132,430 km (0.093 R)
• M7: 3,720,200 km (0.047 R)
• M8: 4,246,934 km (0.109 R)
• M9: 5,273,475 km (0.06 R)
• M10: 7,089,443 km (0.089 R)
• M11: 8,380,922 km (0.062 R)
• M12: 9,655,944 km (0.106 R)
• M13: 10,305,349 km (0.064 R)
• M14: 11,130,381 km (0.119 R)
• M15: 14,478,830 km (0.102 R)
• M16: 15,058,222 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593

Radius: 9.3

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.53 AU - 5.67 AU

Year: 6579 Days

Day: 9.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,569,353 km

• M1: 115,639 km (0.117 R)
• M2: 453,132 km (0.067 R)
• M3: 888,013 km (0.071 R)
• M4: 1,961,078 km (0.084 R)
• M5: 2,854,028 km (0.118 R)
• M6: 3,381,361 km (0.119 R)
• M7: 4,684,358 km (0.082 R)
• M8: 5,389,562 km (0.113 R)
• M9: 6,229,106 km (0.058 R)
• M10: 7,554,992 km (0.032 R)
• M11: 7,894,728 km (0.059 R)
• M12: 8,605,169 km (0.096 R)
• M13: 12,599,432 km (0.106 R)
• M14: 12,970,734 km (0.102 R)
• M15: 18,419,088 km (0.11 R)
• M16: 20,748,477 km (0.057 R)
• M17: 21,043,633 km (0.054 R)
• M18: 22,561,453 km (0.113 R)
• M19: 24,889,944 km (0.098 R)
• M20: 27,640,151 km (0.102 R)
• M21: 28,087,449 km (0.11 R)
• M22: 31,841,608 km (0.063 R)
• M23: 32,929,782 km (0.114 R)
• M24: 33,635,136 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.7

Radius: 7

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.93 AU - 7.29 AU

Year: 12643 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,569,353 km

• M1: 87,066 km (0.112 R)
• M2: 729,888 km (0.04 R)
• M3: 991,834 km (0.112 R)
• M4: 2,005,210 km (0.068 R)
• M5: 2,275,533 km (0.045 R)
• M6: 4,208,936 km (0.03 R)
• M7: 4,442,758 km (0.066 R)
• M8: 4,968,594 km (0.102 R)
• M9: 6,033,282 km (0.091 R)
• M10: 6,756,737 km (0.113 R)
• M11: 7,242,631 km (0.114 R)
• M12: 8,793,363 km (0.063 R)
• M13: 9,925,520 km (0.102 R)
• M14: 11,715,159 km (0.08 R)
• M15: 13,021,447 km (0.116 R)
• M16: 18,049,881 km (0.094 R)
• M17: 20,196,909 km (0.082 R)
• M18: 21,033,610 km (0.116 R)
• M19: 26,347,327 km (0.088 R)
• M20: 29,844,326 km (0.071 R)
• M21: 33,407,149 km (0.099 R)
• M22: 37,617,581 km (0.06 R)
• M23: 48,988,067 km (0.065 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 10,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit