🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 15

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.97 AU - 2.03 AU

Year: 1826 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,878,571 km

• M1: 186,549 km (0.067 R)
• M2: 764,146 km (0.033 R)
• M3: 1,549,236 km (0.093 R)
• M4: 2,058,467 km (0.047 R)
• M5: 2,596,570 km (0.114 R)
• M6: 3,164,444 km (0.095 R)
• M7: 4,492,873 km (0.11 R)
• M8: 7,359,916 km (0.047 R)
• M9: 10,237,132 km (0.076 R)
• M10: 11,473,409 km (0.098 R)
• M11: 13,752,233 km (0.028 R)
• M12: 15,162,343 km (0.112 R)
• M13: 17,070,912 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 14.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.71 AU - 2.85 AU

Year: 2223 Days

Day: 12.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 63.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,878,571 km

• M1: 222,153 km (0.077 R)
• M2: 978,819 km (0.116 R)
• M3: 1,528,741 km (0.083 R)
• M4: 2,414,210 km (0.082 R)
• M5: 3,185,387 km (0.095 R)
• M6: 4,865,820 km (0.095 R)
• M7: 5,990,048 km (0.104 R)
• M8: 6,880,604 km (0.05 R)
• M9: 7,539,733 km (0.081 R)
• M10: 8,896,735 km (0.03 R)
• M11: 9,525,944 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 13.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.38 AU - 5.92 AU

Year: 7546 Days

Day: 6.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,878,571 km

• M1: 167,849 km (0.107 R)
• M2: 1,047,634 km (0.095 R)
• M3: 1,604,138 km (0.032 R)
• M4: 2,148,375 km (0.116 R)
• M5: 3,127,044 km (0.107 R)
• M6: 3,550,107 km (0.092 R)
• M7: 4,282,688 km (0.104 R)
• M8: 5,463,913 km (0.074 R)
• M9: 6,050,635 km (0.087 R)
• M10: 6,645,137 km (0.08 R)
• M11: 7,424,393 km (0.11 R)
• M12: 9,123,226 km (0.108 R)
• M13: 11,311,544 km (0.071 R)
• M14: 11,757,794 km (0.046 R)
• M15: 12,845,371 km (0.04 R)
• M16: 14,112,166 km (0.028 R)
• M17: 15,642,851 km (0.109 R)
• M18: 19,031,991 km (0.06 R)
• M19: 21,875,397 km (0.114 R)
• M20: 22,804,550 km (0.098 R)
• M21: 32,485,626 km (0.105 R)
• M22: 33,288,518 km (0.059 R)
• M23: 34,104,575 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.1

Radius: 5

Gravity: 28.76 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.05 AU - 8.07 AU

Year: 12112 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 30,878,571 km

• M1: 63,579 km (0.085 R)
• M2: 338,690 km (0.073 R)
• M3: 524,789 km (0.117 R)
• M4: 692,040 km (0.102 R)
• M5: 915,838 km (0.11 R)
• M6: 1,540,110 km (0.102 R)
• M7: 1,925,474 km (0.115 R)
• M8: 2,140,895 km (0.076 R)
• M9: 2,750,806 km (0.055 R)
• M10: 3,193,017 km (0.088 R)
• M11: 4,276,854 km (0.059 R)
• M12: 5,339,447 km (0.106 R)
• M13: 6,331,131 km (0.116 R)
• M14: 7,658,663 km (0.082 R)
• M15: 8,481,601 km (0.092 R)
• M16: 9,720,421 km (0.119 R)
• M17: 12,612,297 km (0.071 R)
• M18: 14,556,621 km (0.106 R)
• M19: 16,103,313 km (0.068 R)
• M20: 16,617,481 km (0.094 R)
• M21: 18,384,382 km (0.099 R)
• M22: 20,357,577 km (0.034 R)
• M23: 21,483,301 km (0.116 R)
• M24: 22,376,999 km (0.12 R)
• M25: 23,109,580 km (0.11 R)
• M26: 23,388,430 km (0.052 R)
• M27: 23,669,375 km (0.086 R)
• M28: 25,600,833 km (0.063 R)
• M29: 28,371,535 km (0.036 R)
• M30: 31,677,200 km (0.074 R)
• M31: 32,951,025 km (0.097 R)
• M32: 38,517,861 km (0.082 R)
• M33: 42,558,051 km (0.104 R)
• M34: 43,681,232 km (0.067 R)
• M35: 44,680,097 km (0.083 R)
• M36: 46,280,345 km (0.062 R)
• M37: 51,943,073 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.1

Radius: 3.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.52 AU - 9.7 AU

Year: 17754 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,878,571 km

• M1: 42,486 km (0.059 R)
• M2: 161,566 km (0.077 R)
• M3: 900,130 km (0.116 R)
• M4: 1,871,469 km (0.039 R)
• M5: 2,136,557 km (0.111 R)
• M6: 2,326,845 km (0.119 R)
• M7: 2,908,781 km (0.098 R)
• M8: 3,326,309 km (0.101 R)
• M9: 4,633,046 km (0.025 R)
• M10: 5,257,019 km (0.1 R)
• M11: 5,486,652 km (0.066 R)
• M12: 5,935,146 km (0.105 R)
• M13: 6,152,661 km (0.077 R)
• M14: 8,125,857 km (0.104 R)
• M15: 10,349,480 km (0.042 R)
• M16: 11,456,205 km (0.091 R)
• M17: 13,525,293 km (0.043 R)
• M18: 18,647,375 km (0.077 R)
• M19: 22,223,512 km (0.099 R)
• M20: 24,368,745 km (0.078 R)
• M21: 30,053,464 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 13,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit