🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.5

Radius: 12.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.62 AU - 0.96 AU

Year: 485 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,362,005 km

• M1: 153,039 km (0.115 R)
• M2: 544,536 km (0.077 R)
• M3: 930,200 km (0.073 R)
• M4: 1,419,684 km (0.112 R)
• M5: 2,106,188 km (0.087 R)
• M6: 2,502,922 km (0.109 R)
• M7: 2,982,383 km (0.081 R)
• M8: 4,020,892 km (0.1 R)
• M9: 4,536,256 km (0.076 R)
• M10: 5,064,187 km (0.111 R)
• M11: 5,632,809 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.8

Radius: 14.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.21 AU - 1.31 AU

Year: 976 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,362,005 km

• M1: 179,069 km (0.07 R)
• M2: 775,964 km (0.11 R)
• M3: 1,301,950 km (0.095 R)
• M4: 2,692,911 km (0.102 R)
• M5: 3,340,072 km (0.059 R)
• M6: 4,793,265 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.3

Radius: 14.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.14 AU - 1.74 AU

Year: 1193 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,362,005 km

• M1: 176,525 km (0.113 R)
• M2: 660,624 km (0.06 R)
• M3: 1,139,188 km (0.051 R)
• M4: 2,067,293 km (0.054 R)
• M5: 2,582,508 km (0.087 R)
• M6: 3,111,037 km (0.104 R)
• M7: 4,709,491 km (0.092 R)
• M8: 5,419,781 km (0.102 R)
• M9: 6,200,682 km (0.095 R)
• M10: 7,209,570 km (0.079 R)
• M11: 7,767,271 km (0.096 R)
• M12: 8,353,844 km (0.112 R)
• M13: 8,999,808 km (0.119 R)
• M14: 11,210,116 km (0.084 R)
• M15: 11,742,685 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.4

Radius: 9.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.17 AU - 5.93 AU

Year: 7833 Days

Day: 13.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,362,005 km

• M1: 118,631 km (0.101 R)
• M2: 417,378 km (0.105 R)
• M3: 960,119 km (0.095 R)
• M4: 1,735,485 km (0.094 R)
• M5: 2,512,047 km (0.115 R)
• M6: 2,999,587 km (0.053 R)
• M7: 4,550,618 km (0.047 R)
• M8: 5,045,787 km (0.117 R)
• M9: 5,485,455 km (0.09 R)
• M10: 7,102,757 km (0.079 R)
• M11: 9,576,508 km (0.025 R)
• M12: 11,152,521 km (0.072 R)
• M13: 13,943,270 km (0.063 R)
• M14: 15,227,717 km (0.092 R)
• M15: 17,496,967 km (0.099 R)
• M16: 17,828,925 km (0.081 R)
• M17: 18,574,371 km (0.092 R)
• M18: 19,129,379 km (0.101 R)
• M19: 20,491,916 km (0.111 R)
• M20: 23,169,569 km (0.09 R)
• M21: 23,489,708 km (0.108 R)
• M22: 30,818,807 km (0.112 R)
• M23: 33,497,058 km (0.087 R)
• M24: 35,260,817 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.5

Radius: 8

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.27 AU - 11.73 AU

Year: 20211 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,362,005 km

• M1: 107,860 km (0.069 R)
• M2: 393,143 km (0.103 R)
• M3: 865,573 km (0.103 R)
• M4: 1,355,806 km (0.097 R)
• M5: 1,808,489 km (0.077 R)
• M6: 2,122,046 km (0.057 R)
• M7: 2,565,155 km (0.079 R)
• M8: 3,068,552 km (0.029 R)
• M9: 5,284,246 km (0.036 R)
• M10: 6,672,514 km (0.11 R)
• M11: 8,554,605 km (0.073 R)
• M12: 13,697,331 km (0.053 R)
• M13: 14,296,021 km (0.101 R)
• M14: 14,834,125 km (0.107 R)
• M15: 15,226,670 km (0.099 R)
• M16: 16,114,683 km (0.078 R)
• M17: 17,993,781 km (0.119 R)
• M18: 18,802,956 km (0.084 R)
• M19: 20,205,137 km (0.085 R)
• M20: 25,943,861 km (0.073 R)
• M21: 28,514,850 km (0.091 R)
• M22: 30,867,875 km (0.097 R)
• M23: 31,896,360 km (0.042 R)
• M24: 37,672,933 km (0.042 R)
• M25: 39,144,228 km (0.09 R)
• M26: 45,413,874 km (0.1 R)
• M27: 48,613,324 km (0.075 R)
• M28: 48,958,596 km (0.116 R)
• M29: 49,305,513 km (0.084 R)
• M30: 51,959,978 km (0.07 R)
• M31: 63,944,712 km (0.115 R)
• M32: 68,604,237 km (0.077 R)
• M33: 71,016,652 km (0.084 R)
• M34: 75,085,266 km (0.065 R)
• M35: 76,708,702 km (0.194 R)
• M36: 78,592,438 km (0.116 R)
• M37: 79,306,618 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.8

Radius: 4.3

Gravity: 14.75 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.36 AU - 12.22 AU

Year: 21144 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,362,005 km

• M1: 53,406 km (0.066 R)
• M2: 333,603 km (0.071 R)
• M3: 679,922 km (0.11 R)
• M4: 949,498 km (0.092 R)
• M5: 1,195,885 km (0.118 R)
• M6: 2,196,695 km (0.108 R)
• M7: 3,391,533 km (0.085 R)
• M8: 4,353,747 km (0.097 R)
• M9: 5,556,963 km (0.068 R)
• M10: 7,221,987 km (0.103 R)
• M11: 7,889,493 km (0.08 R)
• M12: 8,743,547 km (0.061 R)
• M13: 9,975,934 km (0.108 R)
• M14: 10,246,557 km (0.055 R)
• M15: 13,620,437 km (0.116 R)
• M16: 14,428,864 km (0.082 R)
• M17: 15,197,648 km (0.054 R)
• M18: 15,846,603 km (0.111 R)
• M19: 15,993,209 km (0.064 R)
• M20: 16,589,057 km (0.074 R)
• M21: 17,432,341 km (0.087 R)
• M22: 19,120,702 km (0.078 R)
• M23: 26,038,706 km (0.074 R)
• M24: 27,597,366 km (0.115 R)
• M25: 32,763,579 km (0.1 R)
• M26: 34,948,905 km (0.08 R)
• M27: 35,322,301 km (0.105 R)
• M28: 41,944,251 km (0.065 R)
• M29: 44,226,217 km (0.118 R)
• M30: 50,132,042 km (0.061 R)
• M31: 50,766,037 km (0.099 R)
• M32: 53,355,128 km (0.084 R)
• M33: 57,401,601 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.4

Radius: 4.4

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.09 AU - 11.91 AU

Year: 21828 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,362,005 km

• M1: 56,249 km (0.095 R)
• M2: 225,893 km (0.087 R)
• M3: 466,745 km (0.089 R)
• M4: 742,903 km (0.099 R)
• M5: 1,409,511 km (0.101 R)
• M6: 2,554,084 km (0.109 R)
• M7: 3,274,398 km (0.089 R)
• M8: 3,722,444 km (0.114 R)
• M9: 6,838,268 km (0.119 R)
• M10: 10,281,413 km (0.114 R)
• M11: 18,555,222 km (0.088 R)
• M12: 23,750,906 km (0.046 R)
• M13: 25,711,087 km (0.059 R)
• M14: 28,958,109 km (0.027 R)
• M15: 43,097,651 km (0.098 R)
• M16: 49,188,528 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 19,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit