🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 10.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.58 AU - 0.62 AU

Year: 310 Days

Day: 6.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,388,735 km

• M1: 129,402 km (0.084 R)
• M2: 565,031 km (0.097 R)
• M3: 916,885 km (0.069 R)
• M4: 1,334,862 km (0.063 R)
• M5: 1,687,314 km (0.115 R)
• M6: 2,576,524 km (0.05 R)
• M7: 2,950,968 km (0.086 R)
• M8: 3,329,600 km (0.053 R)
• M9: 3,752,363 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.9

Radius: 12.4

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.27 AU - 1.53 AU

Year: 1105 Days

Day: 7.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,388,735 km

• M1: 154,235 km (0.066 R)
• M2: 591,061 km (0.113 R)
• M3: 1,171,800 km (0.108 R)
• M4: 1,608,177 km (0.111 R)
• M5: 2,444,728 km (0.109 R)
• M6: 3,273,501 km (0.093 R)
• M7: 4,689,145 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166

Radius: 12.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.43 AU - 2.27 AU

Year: 1678 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,388,735 km

• M1: 154,235 km (0.046 R)
• M2: 652,396 km (0.061 R)
• M3: 1,064,389 km (0.074 R)
• M4: 1,715,289 km (0.081 R)
• M5: 2,192,806 km (0.085 R)
• M6: 3,219,645 km (0.11 R)
• M7: 3,645,251 km (0.12 R)
• M8: 4,077,440 km (0.057 R)
• M9: 4,611,055 km (0.037 R)
• M10: 5,662,130 km (0.099 R)
• M11: 6,244,664 km (0.043 R)
• M12: 7,506,522 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.1

Radius: 9.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.73 AU - 2.11 AU

Year: 1774 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,388,735 km

• M1: 120,576 km (0.112 R)
• M2: 499,507 km (0.099 R)
• M3: 994,975 km (0.079 R)
• M4: 1,302,399 km (0.111 R)
• M5: 1,684,023 km (0.06 R)
• M6: 2,410,171 km (0.086 R)
• M7: 3,317,183 km (0.109 R)
• M8: 3,665,597 km (0.101 R)
• M9: 4,144,459 km (0.099 R)
• M10: 4,900,677 km (0.046 R)
• M11: 5,949,059 km (0.104 R)
• M12: 6,611,927 km (0.087 R)
• M13: 7,192,516 km (0.033 R)
• M14: 7,562,322 km (0.097 R)
• M15: 8,748,633 km (0.066 R)
• M16: 12,972,230 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.3

Radius: 14.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.46 AU - 2.38 AU

Year: 1774 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,388,735 km

• M1: 179,069 km (0.115 R)
• M2: 660,475 km (0.1 R)
• M3: 1,215,931 km (0.084 R)
• M4: 1,787,395 km (0.03 R)
• M5: 2,404,337 km (0.047 R)
• M6: 3,124,950 km (0.113 R)
• M7: 4,176,922 km (0.116 R)
• M8: 4,720,710 km (0.092 R)
• M9: 6,163,432 km (0.043 R)
• M10: 6,663,538 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 8.7

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.82 AU - 2.08 AU

Year: 1816 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 11,388,735 km

• M1: 108,159 km (0.118 R)
• M2: 423,811 km (0.057 R)
• M3: 757,863 km (0.064 R)
• M4: 1,089,222 km (0.108 R)
• M5: 2,146,430 km (0.111 R)
• M6: 2,953,810 km (0.076 R)
• M7: 3,459,301 km (0.117 R)
• M8: 4,742,851 km (0.09 R)
• M9: 7,591,494 km (0.067 R)
• M10: 7,984,786 km (0.089 R)
• M11: 8,660,370 km (0.072 R)
• M12: 9,598,199 km (0.097 R)
• M13: 10,396,005 km (0.091 R)
• M14: 11,527,713 km (0.1 R)
• M15: 12,010,166 km (0.091 R)
• M16: 12,583,574 km (0.097 R)
• M17: 12,896,683 km (0.07 R)
• M18: 13,295,511 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 13.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.04 AU - 2.16 AU

Year: 2029 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,388,735 km

• M1: 172,935 km (0.069 R)
• M2: 687,552 km (0.109 R)
• M3: 1,181,374 km (0.087 R)
• M4: 1,651,860 km (0.065 R)
• M5: 2,884,845 km (0.076 R)
• M6: 4,272,515 km (0.093 R)
• M7: 5,639,989 km (0.046 R)
• M8: 6,089,381 km (0.072 R)
• M9: 6,964,080 km (0.103 R)
• M10: 7,686,638 km (0.104 R)
• M11: 8,321,980 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 13,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit