🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.3

Radius: 8.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.69 AU - 1.01 AU

Year: 514 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,276,825 km

• M1: 111,002 km (0.109 R)
• M2: 499,208 km (0.072 R)
• M3: 786,885 km (0.05 R)
• M4: 1,108,670 km (0.118 R)
• M5: 1,437,935 km (0.118 R)
• M6: 2,473,750 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 14.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.72 AU - 1.06 AU

Year: 551 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,276,825 km

• M1: 185,352 km (0.085 R)
• M2: 924,216 km (0.095 R)
• M3: 1,423,873 km (0.11 R)
• M4: 1,952,851 km (0.081 R)
• M5: 2,468,814 km (0.06 R)
• M6: 3,155,169 km (0.068 R)
• M7: 4,252,918 km (0.11 R)
• M8: 5,491,887 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689

Radius: 14.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.08 AU - 1.48 AU

Year: 950 Days

Day: 11.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,276,825 km

• M1: 185,053 km (0.079 R)
• M2: 653,593 km (0.046 R)
• M3: 1,203,066 km (0.093 R)
• M4: 1,720,974 km (0.068 R)
• M5: 2,220,481 km (0.068 R)
• M6: 2,967,573 km (0.081 R)
• M7: 3,878,175 km (0.064 R)
• M8: 4,341,330 km (0.079 R)
• M9: 4,859,687 km (0.097 R)
• M10: 5,361,588 km (0.089 R)
• M11: 6,405,182 km (0.055 R)
• M12: 7,339,122 km (0.059 R)
• M13: 8,546,227 km (0.028 R)
• M14: 9,337,301 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 13.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.39 AU - 2.69 AU

Year: 2656 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,276,825 km

• M1: 171,589 km (0.071 R)
• M2: 610,359 km (0.078 R)
• M3: 1,369,868 km (0.052 R)
• M4: 2,215,844 km (0.09 R)
• M5: 2,666,582 km (0.029 R)
• M6: 4,556,901 km (0.1 R)
• M7: 5,103,531 km (0.108 R)
• M8: 6,274,583 km (0.095 R)
• M9: 7,100,663 km (0.063 R)
• M10: 7,965,787 km (0.074 R)
• M11: 9,180,223 km (0.075 R)
• M12: 10,947,123 km (0.095 R)
• M13: 13,291,472 km (0.083 R)
• M14: 14,269,243 km (0.111 R)
• M15: 15,596,326 km (0.067 R)
• M16: 16,950,336 km (0.038 R)
• M17: 17,491,581 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.2

Radius: 9.2

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.06 AU - 4.18 AU

Year: 5486 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,276,825 km

• M1: 116,387 km (0.06 R)
• M2: 518,656 km (0.09 R)
• M3: 966,851 km (0.089 R)
• M4: 1,328,279 km (0.085 R)
• M5: 1,839,605 km (0.065 R)
• M6: 2,374,118 km (0.101 R)
• M7: 2,662,543 km (0.114 R)
• M8: 3,614,135 km (0.117 R)
• M9: 4,753,622 km (0.094 R)
• M10: 6,286,402 km (0.106 R)
• M11: 10,097,258 km (0.092 R)
• M12: 10,903,142 km (0.091 R)
• M13: 12,102,318 km (0.116 R)
• M14: 13,819,103 km (0.069 R)
• M15: 15,377,764 km (0.092 R)
• M16: 17,162,167 km (0.103 R)
• M17: 22,386,873 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.7

Radius: 6.3

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.58 AU - 8.76 AU

Year: 15319 Days

Day: 16.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,276,825 km

• M1: 88,861 km (0.108 R)
• M2: 320,139 km (0.058 R)
• M3: 726,298 km (0.037 R)
• M4: 956,379 km (0.099 R)
• M5: 1,235,678 km (0.116 R)
• M6: 1,890,169 km (0.065 R)
• M7: 2,178,594 km (0.029 R)
• M8: 3,030,105 km (0.085 R)
• M9: 3,856,783 km (0.106 R)
• M10: 4,173,033 km (0.046 R)
• M11: 5,330,771 km (0.117 R)
• M12: 6,935,208 km (0.084 R)
• M13: 9,235,125 km (0.077 R)
• M14: 9,645,024 km (0.116 R)
• M15: 15,483,230 km (0.093 R)
• M16: 16,282,382 km (0.081 R)
• M17: 17,648,809 km (0.048 R)
• M18: 18,926,225 km (0.076 R)
• M19: 21,219,560 km (0.045 R)
• M20: 21,485,396 km (0.103 R)
• M21: 31,210,155 km (0.099 R)
• M22: 33,549,866 km (0.054 R)
• M23: 38,182,164 km (0.101 R)
• M24: 43,223,163 km (0.104 R)
• M25: 45,094,633 km (0.059 R)
• M26: 48,536,730 km (0.084 R)
• M27: 51,828,930 km (0.114 R)
• M28: 53,284,368 km (0.076 R)
• M29: 54,269,620 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.8

Radius: 5.1

Gravity: 29.33 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.98 AU - 10.66 AU

Year: 17184 Days

Day: 23.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,276,825 km

• M1: 63,429 km (0.119 R)
• M2: 246,537 km (0.055 R)
• M3: 723,007 km (0.072 R)
• M4: 941,270 km (0.074 R)
• M5: 2,862,406 km (0.078 R)
• M6: 3,195,859 km (0.057 R)
• M7: 4,159,120 km (0.097 R)
• M8: 12,303,527 km (0.079 R)
• M9: 12,771,769 km (0.059 R)
• M10: 13,886,273 km (0.08 R)
• M11: 14,102,292 km (0.086 R)
• M12: 15,139,903 km (0.043 R)
• M13: 16,628,252 km (0.111 R)
• M14: 20,259,142 km (0.098 R)
• M15: 24,804,973 km (0.113 R)
• M16: 25,336,643 km (0.105 R)
• M17: 27,089,182 km (0.119 R)
• M18: 28,109,590 km (0.114 R)
• M19: 33,084,018 km (0.104 R)
• M20: 33,988,038 km (0.047 R)
• M21: 35,710,508 km (0.046 R)
• M22: 37,490,124 km (0.098 R)
• M23: 41,971,179 km (0.093 R)
• M24: 42,271,870 km (0.113 R)
• M25: 43,335,960 km (0.113 R)
• M26: 50,946,602 km (0.057 R)
• M27: 51,460,620 km (0.097 R)
• M28: 59,780,207 km (0.092 R)
• M29: 60,161,083 km (0.059 R)
• M30: 65,460,887 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 11,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit