🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 12.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.7 AU - 0.78 AU

Year: 411 Days

Day: 7.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,101,688 km

• M1: 156,928 km (0.108 R)
• M2: 564,134 km (0.08 R)
• M3: 955,930 km (0.038 R)
• M4: 1,394,851 km (0.074 R)
• M5: 1,915,750 km (0.09 R)
• M6: 2,461,633 km (0.103 R)
• M7: 3,066,308 km (0.115 R)
• M8: 3,882,663 km (0.072 R)
• M9: 4,433,333 km (0.107 R)
• M10: 4,959,319 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.4

Radius: 12.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.62 AU - 1 AU

Year: 471 Days

Day: 7.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,101,688 km

• M1: 153,487 km (0.078 R)
• M2: 565,480 km (0.082 R)
• M3: 1,059,303 km (0.084 R)
• M4: 1,616,106 km (0.119 R)
• M5: 2,150,170 km (0.116 R)
• M6: 2,592,531 km (0.086 R)
• M7: 2,991,957 km (0.113 R)
• M8: 3,453,317 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 11

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.84 AU - 0.86 AU

Year: 506 Days

Day: 10.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,101,688 km

• M1: 141,071 km (0.095 R)
• M2: 528,380 km (0.076 R)
• M3: 887,863 km (0.034 R)
• M4: 1,304,793 km (0.065 R)
• M5: 1,706,313 km (0.109 R)
• M6: 2,442,185 km (0.095 R)
• M7: 2,894,420 km (0.118 R)
• M8: 3,293,846 km (0.077 R)
• M9: 4,261,295 km (0.061 R)
• M10: 4,858,191 km (0.113 R)
• M11: 5,578,355 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 9.4

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1 AU - 1.34 AU

Year: 817 Days

Day: 10.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,101,688 km

• M1: 116,836 km (0.066 R)
• M2: 419,323 km (0.11 R)
• M3: 722,857 km (0.108 R)
• M4: 1,125,425 km (0.12 R)
• M5: 1,980,676 km (0.101 R)
• M6: 2,449,815 km (0.066 R)
• M7: 2,905,939 km (0.11 R)
• M8: 3,527,518 km (0.065 R)
• M9: 4,141,916 km (0.108 R)
• M10: 5,087,674 km (0.086 R)
• M11: 5,970,750 km (0.092 R)
• M12: 6,649,625 km (0.074 R)
• M13: 7,085,404 km (0.102 R)
• M14: 7,657,017 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.8

Radius: 13.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.63 AU - 2.27 AU

Year: 1758 Days

Day: 13.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,101,688 km

• M1: 187,446 km (0.034 R)
• M2: 633,547 km (0.095 R)
• M3: 1,101,639 km (0.09 R)
• M4: 1,653,954 km (0.077 R)
• M5: 2,208,962 km (0.109 R)
• M6: 2,747,963 km (0.098 R)
• M7: 3,521,683 km (0.084 R)
• M8: 4,357,038 km (0.074 R)
• M9: 5,653,004 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.5

Radius: 14

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.88 AU - 2.8 AU

Year: 2311 Days

Day: 10.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,101,688 km

• M1: 174,880 km (0.085 R)
• M2: 687,402 km (0.064 R)
• M3: 1,330,075 km (0.117 R)
• M4: 2,793,142 km (0.027 R)
• M5: 3,575,688 km (0.096 R)
• M6: 4,116,036 km (0.117 R)
• M7: 5,151,103 km (0.045 R)
• M8: 5,802,004 km (0.068 R)
• M9: 6,418,945 km (0.08 R)
• M10: 7,414,220 km (0.116 R)
• M11: 8,806,976 km (0.092 R)
• M12: 9,479,419 km (0.051 R)
• M13: 10,065,693 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 8.5

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.13 AU - 4.27 AU

Year: 4595 Days

Day: 15 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,101,688 km

• M1: 106,214 km (0.116 R)
• M2: 430,393 km (0.083 R)
• M3: 839,244 km (0.086 R)
• M4: 1,176,886 km (0.098 R)
• M5: 2,178,743 km (0.088 R)
• M6: 2,976,549 km (0.061 R)
• M7: 3,473,812 km (0.072 R)
• M8: 3,979,453 km (0.052 R)
• M9: 4,262,193 km (0.062 R)
• M10: 4,763,495 km (0.096 R)
• M11: 5,559,506 km (0.053 R)
• M12: 6,283,111 km (0.081 R)
• M13: 7,102,159 km (0.091 R)
• M14: 7,626,649 km (0.118 R)
• M15: 11,903,054 km (0.083 R)
• M16: 12,393,286 km (0.058 R)
• M17: 13,624,476 km (0.059 R)
• M18: 15,679,652 km (0.05 R)
• M19: 19,505,318 km (0.112 R)
• M20: 19,980,740 km (0.116 R)
• M21: 21,167,351 km (0.093 R)
• M22: 23,298,971 km (0.054 R)
• M23: 26,139,236 km (0.033 R)
• M24: 27,219,183 km (0.077 R)
• M25: 29,026,176 km (0.109 R)
• M26: 29,735,120 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.3

Radius: 12.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.3 AU - 5.72 AU

Year: 7241 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,101,688 km

• M1: 155,731 km (0.057 R)
• M2: 775,067 km (0.099 R)
• M3: 1,354,609 km (0.102 R)
• M4: 2,527,606 km (0.07 R)
• M5: 4,044,678 km (0.06 R)
• M6: 5,943,224 km (0.071 R)
• M7: 9,574,713 km (0.116 R)
• M8: 12,723,897 km (0.085 R)
• M9: 13,635,248 km (0.118 R)
• M10: 16,012,507 km (0.076 R)
• M11: 23,338,165 km (0.111 R)
• M12: 24,296,340 km (0.077 R)
• M13: 33,727,588 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.1

Radius: 4.1

Gravity: 55.87 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.87 AU - 9.59 AU

Year: 18106 Days

Day: 16.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,101,688 km

• M1: 64,177 km (0.075 R)
• M2: 209,138 km (0.064 R)
• M3: 368,759 km (0.104 R)
• M4: 712,235 km (0.089 R)
• M5: 987,944 km (0.111 R)
• M6: 1,786,348 km (0.059 R)
• M7: 2,315,925 km (0.117 R)
• M8: 2,665,684 km (0.098 R)
• M9: 3,440,302 km (0.076 R)
• M10: 3,678,013 km (0.065 R)
• M11: 4,153,286 km (0.07 R)
• M12: 4,423,011 km (0.105 R)
• M13: 4,812,713 km (0.089 R)
• M14: 5,579,402 km (0.119 R)
• M15: 7,064,161 km (0.087 R)
• M16: 8,050,460 km (0.118 R)
• M17: 9,638,890 km (0.072 R)
• M18: 10,353,220 km (0.084 R)
• M19: 13,347,122 km (0.071 R)
• M20: 14,460,729 km (0.101 R)
• M21: 17,469,740 km (0.04 R)
• M22: 29,067,465 km (0.112 R)
• M23: 32,344,705 km (0.037 R)
• M24: 34,207,348 km (0.079 R)
• M25: 45,907,847 km (0.074 R)
• M26: 48,426,925 km (0.118 R)
• M27: 49,286,664 km (0.102 R)
• M28: 56,723,773 km (0.107 R)
• M29: 62,413,279 km (0.119 R)
• M30: 64,253,333 km (0.113 R)
• M31: 64,459,927 km (0.085 R)
• M32: 68,255,973 km (0.03 R)
• M33: 68,471,245 km (0.108 R)
• M34: 74,909,339 km (0.075 R)
• M35: 76,521,555 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 20,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit