🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.8

Radius: 14.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.87 AU - 0.97 AU

Year: 588 Days

Day: 14.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,167,109 km

• M1: 176,525 km (0.118 R)
• M2: 735,423 km (0.116 R)
• M3: 1,178,083 km (0.103 R)
• M4: 1,977,983 km (0.082 R)
• M5: 2,679,896 km (0.092 R)
• M6: 3,213,213 km (0.095 R)
• M7: 4,189,788 km (0.117 R)
• M8: 5,736,480 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.7

Radius: 13.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.98 AU - 2.84 AU

Year: 2495 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,167,109 km

• M1: 163,510 km (0.097 R)
• M2: 716,125 km (0.088 R)
• M3: 1,151,156 km (0.111 R)
• M4: 1,823,897 km (0.083 R)
• M5: 2,505,316 km (0.044 R)
• M6: 3,983,791 km (0.065 R)
• M7: 5,115,200 km (0.056 R)
• M8: 5,756,227 km (0.113 R)
• M9: 7,610,492 km (0.026 R)
• M10: 9,106,621 km (0.065 R)
• M11: 9,835,162 km (0.099 R)
• M12: 11,135,617 km (0.032 R)
• M13: 11,686,735 km (0.108 R)
• M14: 12,674,081 km (0.067 R)
• M15: 13,850,220 km (0.085 R)
• M16: 17,186,103 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.5

Radius: 10.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.19 AU - 2.65 AU

Year: 2510 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,167,109 km

• M1: 144,960 km (0.113 R)
• M2: 503,098 km (0.114 R)
• M3: 924,664 km (0.045 R)
• M4: 1,354,908 km (0.042 R)
• M5: 1,834,070 km (0.055 R)
• M6: 2,289,446 km (0.088 R)
• M7: 3,429,382 km (0.09 R)
• M8: 4,831,562 km (0.1 R)
• M9: 5,309,976 km (0.05 R)
• M10: 6,633,020 km (0.075 R)
• M11: 7,385,048 km (0.116 R)
• M12: 7,879,769 km (0.108 R)
• M13: 8,425,801 km (0.071 R)
• M14: 10,555,177 km (0.099 R)
• M15: 11,006,514 km (0.118 R)
• M16: 12,210,328 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 10.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.44 AU - 3.98 AU

Year: 4765 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,167,109 km

• M1: 134,488 km (0.083 R)
• M2: 621,430 km (0.09 R)
• M3: 1,690,007 km (0.085 R)
• M4: 2,900,104 km (0.064 R)
• M5: 4,428,695 km (0.09 R)
• M6: 5,435,788 km (0.061 R)
• M7: 6,201,879 km (0.064 R)
• M8: 7,317,580 km (0.065 R)
• M9: 8,405,904 km (0.07 R)
• M10: 8,961,960 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 9.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.6 AU - 5.18 AU

Year: 6134 Days

Day: 7.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,167,109 km

• M1: 119,678 km (0.073 R)
• M2: 810,820 km (0.05 R)
• M3: 1,139,188 km (0.105 R)
• M4: 1,635,254 km (0.109 R)
• M5: 2,415,856 km (0.111 R)
• M6: 4,864,773 km (0.088 R)
• M7: 5,950,106 km (0.105 R)
• M8: 9,434,988 km (0.061 R)
• M9: 10,737,686 km (0.074 R)
• M10: 12,427,245 km (0.088 R)
• M11: 14,237,379 km (0.073 R)
• M12: 17,046,378 km (0.11 R)
• M13: 21,822,440 km (0.118 R)
• M14: 22,833,273 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.8

Radius: 3.2

Gravity: 48.03 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.57 AU - 7.11 AU

Year: 9411 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,167,109 km

• M1: 39,793 km (0.102 R)
• M2: 868,416 km (0.098 R)
• M3: 1,533,079 km (0.105 R)
• M4: 2,616,467 km (0.102 R)
• M5: 3,178,656 km (0.093 R)
• M6: 4,021,939 km (0.116 R)
• M7: 4,453,080 km (0.034 R)
• M8: 5,095,154 km (0.096 R)
• M9: 6,596,369 km (0.11 R)
• M10: 7,706,086 km (0.082 R)
• M11: 10,045,198 km (0.115 R)
• M12: 10,190,158 km (0.118 R)
• M13: 11,192,763 km (0.117 R)
• M14: 14,407,771 km (0.096 R)
• M15: 15,602,759 km (0.08 R)
• M16: 15,927,984 km (0.089 R)
• M17: 18,403,530 km (0.077 R)
• M18: 19,807,805 km (0.075 R)
• M19: 21,361,678 km (0.101 R)
• M20: 23,585,600 km (0.05 R)
• M21: 25,329,014 km (0.052 R)
• M22: 26,232,136 km (0.099 R)
• M23: 27,721,383 km (0.088 R)
• M24: 30,260,059 km (0.036 R)
• M25: 31,896,959 km (0.078 R)
• M26: 33,916,231 km (0.076 R)
• M27: 36,700,846 km (0.09 R)
• M28: 40,117,212 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.9

Radius: 6.3

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.82 AU - 7.76 AU

Year: 10520 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,167,109 km

• M1: 78,389 km (0.116 R)
• M2: 354,697 km (0.037 R)
• M3: 757,863 km (0.101 R)
• M4: 1,036,713 km (0.084 R)
• M5: 1,357,601 km (0.093 R)
• M6: 1,728,304 km (0.117 R)
• M7: 2,552,439 km (0.052 R)
• M8: 2,899,656 km (0.073 R)
• M9: 3,638,220 km (0.093 R)
• M10: 4,553,610 km (0.109 R)
• M11: 5,954,444 km (0.111 R)
• M12: 6,454,849 km (0.048 R)
• M13: 6,867,290 km (0.114 R)
• M14: 7,099,616 km (0.057 R)
• M15: 7,377,269 km (0.095 R)
• M16: 7,828,157 km (0.109 R)
• M17: 8,167,595 km (0.109 R)
• M18: 9,817,510 km (0.09 R)
• M19: 11,787,564 km (0.071 R)
• M20: 12,121,167 km (0.083 R)
• M21: 12,346,911 km (0.071 R)
• M22: 12,806,924 km (0.094 R)
• M23: 13,218,767 km (0.114 R)
• M24: 22,478,127 km (0.085 R)
• M25: 24,938,863 km (0.072 R)
• M26: 25,673,538 km (0.092 R)
• M27: 26,234,081 km (0.104 R)
• M28: 26,517,270 km (0.102 R)
• M29: 38,250,081 km (0.102 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: 191 - 15,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit