🌌 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: 214.7

Radius: 8.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.45 AU - 0.57 AU

Year: 251 Days

Day: 9.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,942,638 km

• M1: 102,325 km (0.063 R)
• M2: 401,521 km (0.105 R)
• M3: 680,521 km (0.09 R)
• M4: 1,086,081 km (0.103 R)
• M5: 1,350,270 km (0.115 R)
• M6: 1,613,712 km (0.113 R)
• M7: 2,006,257 km (0.106 R)
• M8: 2,323,853 km (0.055 R)
• M9: 2,754,097 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 10.6

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.7 AU - 0.94 AU

Year: 513 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,942,638 km

• M1: 131,796 km (0.096 R)
• M2: 565,330 km (0.113 R)
• M3: 895,044 km (0.097 R)
• M4: 1,247,646 km (0.079 R)
• M5: 1,679,834 km (0.067 R)
• M6: 2,121,298 km (0.081 R)
• M7: 2,639,654 km (0.116 R)
• M8: 3,349,796 km (0.101 R)
• M9: 4,370,651 km (0.111 R)
• M10: 4,953,634 km (0.037 R)
• M11: 5,942,476 km (0.083 R)
• M12: 6,445,574 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.3

Radius: 12.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.64 AU - 1.04 AU

Year: 531 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,942,638 km

• M1: 161,117 km (0.069 R)
• M2: 569,818 km (0.117 R)
• M3: 972,685 km (0.109 R)
• M4: 1,382,434 km (0.062 R)
• M5: 1,844,093 km (0.07 R)
• M6: 3,100,865 km (0.072 R)
• M7: 3,700,004 km (0.106 R)
• M8: 4,345,220 km (0.086 R)
• M9: 4,914,290 km (0.061 R)
• M10: 5,973,742 km (0.076 R)
• M11: 6,457,990 km (0.098 R)
• M12: 7,244,426 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.3

Radius: 12.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.94 AU - 1.24 AU

Year: 786 Days

Day: 7 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,942,638 km

• M1: 154,235 km (0.087 R)
• M2: 565,181 km (0.07 R)
• M3: 960,718 km (0.049 R)
• M4: 1,485,507 km (0.064 R)
• M5: 1,885,681 km (0.066 R)
• M6: 2,452,507 km (0.082 R)
• M7: 3,206,930 km (0.112 R)
• M8: 3,660,211 km (0.051 R)
• M9: 4,614,346 km (0.1 R)
• M10: 5,106,374 km (0.03 R)
• M11: 5,652,107 km (0.109 R)
• M12: 7,144,346 km (0.034 R)
• M13: 7,595,682 km (0.076 R)
• M14: 8,018,147 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.6

Radius: 11.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.28 AU - 1.58 AU

Year: 1180 Days

Day: 7.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,942,638 km

• M1: 143,913 km (0.113 R)
• M2: 516,861 km (0.052 R)
• M3: 908,807 km (0.113 R)
• M4: 1,299,557 km (0.12 R)
• M5: 1,851,722 km (0.105 R)
• M6: 2,653,118 km (0.086 R)
• M7: 3,120,163 km (0.115 R)
• M8: 3,718,853 km (0.101 R)
• M9: 4,255,311 km (0.1 R)
• M10: 6,447,967 km (0.098 R)
• M11: 7,347,499 km (0.037 R)
• M12: 8,301,784 km (0.112 R)
• M13: 9,163,318 km (0.103 R)
• M14: 10,114,162 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.5

Radius: 10

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.16 AU - 3.18 AU

Year: 3011 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,942,638 km

• M1: 124,465 km (0.076 R)
• M2: 512,223 km (0.031 R)
• M3: 934,687 km (0.108 R)
• M4: 1,666,520 km (0.119 R)
• M5: 2,157,650 km (0.05 R)
• M6: 2,646,686 km (0.089 R)
• M7: 3,807,116 km (0.117 R)
• M8: 4,927,754 km (0.057 R)
• M9: 6,284,158 km (0.114 R)
• M10: 7,576,085 km (0.08 R)
• M11: 8,009,769 km (0.09 R)
• M12: 9,448,901 km (0.065 R)
• M13: 10,472,449 km (0.062 R)
• M14: 10,968,965 km (0.109 R)
• M15: 12,370,398 km (0.114 R)
• M16: 14,386,378 km (0.112 R)
• M17: 15,261,376 km (0.118 R)
• M18: 16,335,788 km (0.115 R)
• M19: 17,517,462 km (0.063 R)
• M20: 18,875,960 km (0.118 R)
• M21: 19,488,115 km (0.067 R)
• M22: 20,946,095 km (0.115 R)
• M23: 22,069,575 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.3

Radius: 8.2

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.67 AU - 4.39 AU

Year: 4578 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,942,638 km

• M1: 106,663 km (0.111 R)
• M2: 543,040 km (0.096 R)
• M3: 1,005,896 km (0.113 R)
• M4: 1,316,162 km (0.105 R)
• M5: 1,584,690 km (0.113 R)
• M6: 1,851,423 km (0.066 R)
• M7: 3,033,845 km (0.109 R)
• M8: 3,838,382 km (0.087 R)
• M9: 6,181,085 km (0.119 R)
• M10: 7,267,913 km (0.075 R)
• M11: 8,154,131 km (0.055 R)
• M12: 11,872,087 km (0.094 R)
• M13: 12,904,612 km (0.052 R)
• M14: 15,093,528 km (0.106 R)
• M15: 20,651,836 km (0.101 R)
• M16: 22,210,945 km (0.051 R)
• M17: 23,774,393 km (0.085 R)
• M18: 24,508,769 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.2

Radius: 10.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.75 AU - 4.71 AU

Year: 6005 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,942,638 km

• M1: 131,796 km (0.108 R)
• M2: 729,589 km (0.106 R)
• M3: 1,291,927 km (0.088 R)
• M4: 1,925,923 km (0.081 R)
• M5: 2,256,385 km (0.049 R)
• M6: 3,446,585 km (0.119 R)
• M7: 4,179,914 km (0.09 R)
• M8: 4,643,967 km (0.053 R)
• M9: 5,984,663 km (0.114 R)
• M10: 6,514,538 km (0.086 R)
• M11: 7,237,096 km (0.093 R)
• M12: 8,117,330 km (0.037 R)
• M13: 8,474,271 km (0.082 R)
• M14: 8,916,482 km (0.097 R)
• M15: 9,968,005 km (0.051 R)
• M16: 10,756,237 km (0.092 R)
• M17: 12,932,437 km (0.081 R)
• M18: 13,569,125 km (0.085 R)
• M19: 16,214,315 km (0.044 R)
• M20: 19,628,737 km (0.119 R)
• M21: 21,878,838 km (0.119 R)
• M22: 23,351,480 km (0.037 R)
• M23: 25,340,683 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.7

Radius: 6.3

Gravity: 21.21 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.46 AU - 6.84 AU

Year: 9270 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,942,638 km

• M1: 78,389 km (0.062 R)
• M2: 362,625 km (0.115 R)
• M3: 743,651 km (0.108 R)
• M4: 1,159,683 km (0.116 R)
• M5: 1,705,266 km (0.12 R)
• M6: 2,114,416 km (0.063 R)
• M7: 2,487,214 km (0.087 R)
• M8: 3,819,234 km (0.108 R)
• M9: 4,638,581 km (0.074 R)
• M10: 4,852,656 km (0.044 R)
• M11: 5,137,789 km (0.12 R)
• M12: 6,580,810 km (0.086 R)
• M13: 8,098,032 km (0.063 R)
• M14: 9,488,544 km (0.086 R)
• M15: 9,734,782 km (0.091 R)
• M16: 10,137,799 km (0.109 R)
• M17: 10,710,011 km (0.075 R)
• M18: 10,923,337 km (0.07 R)
• M19: 15,879,365 km (0.101 R)
• M20: 18,116,302 km (0.112 R)
• M21: 19,349,288 km (0.087 R)
• M22: 21,386,212 km (0.102 R)
• M23: 27,842,109 km (0.082 R)
• M24: 28,144,595 km (0.054 R)
• M25: 30,644,077 km (0.118 R)
• M26: 35,132,312 km (0.116 R)
• M27: 38,273,418 km (0.083 R)
• M28: 40,683,590 km (0.053 R)
• M29: 43,058,755 km (0.104 R)
• M30: 47,794,126 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.3

Radius: 7.8

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.1 AU - 7.3 AU

Year: 11971 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,942,638 km

• M1: 96,939 km (0.091 R)
• M2: 379,081 km (0.109 R)
• M3: 807,081 km (0.108 R)
• M4: 1,199,925 km (0.109 R)
• M5: 1,493,735 km (0.09 R)
• M6: 1,960,779 km (0.091 R)
• M7: 2,945,432 km (0.1 R)
• M8: 3,631,937 km (0.1 R)
• M9: 4,119,177 km (0.044 R)
• M10: 5,981,820 km (0.061 R)
• M11: 6,661,593 km (0.088 R)
• M12: 7,633,231 km (0.115 R)
• M13: 8,965,251 km (0.042 R)
• M14: 9,951,550 km (0.112 R)
• M15: 11,483,432 km (0.092 R)
• M16: 12,418,119 km (0.051 R)
• M17: 12,875,141 km (0.098 R)
• M18: 13,166,408 km (0.108 R)
• M19: 18,008,741 km (0.103 R)
• M20: 18,446,764 km (0.117 R)
• M21: 21,387,858 km (0.104 R)
• M22: 23,745,221 km (0.116 R)
• M23: 26,270,583 km (0.118 R)
• M24: 29,269,123 km (0.12 R)
• M25: 32,167,133 km (0.113 R)
• M26: 32,812,049 km (0.077 R)
• M27: 33,137,873 km (0.028 R)
• M28: 35,478,481 km (0.072 R)
• M29: 36,864,206 km (0.106 R)
• M30: 37,334,093 km (0.101 R)
• M31: 38,405,962 km (0.039 R)
• M32: 40,735,799 km (0.075 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 12,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit