🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 12.3

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.08 AU - 1.26 AU

Year: 874 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,682,245 km

• M1: 153,039 km (0.062 R)
• M2: 559,346 km (0.104 R)
• M3: 1,325,437 km (0.078 R)
• M4: 2,182,483 km (0.117 R)
• M5: 3,662,605 km (0.108 R)
• M6: 4,165,104 km (0.081 R)
• M7: 4,834,854 km (0.089 R)
• M8: 5,309,677 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.5

Radius: 13.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.97 AU - 1.59 AU

Year: 1000 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,682,245 km

• M1: 171,888 km (0.091 R)
• M2: 602,131 km (0.109 R)
• M3: 1,239,269 km (0.085 R)
• M4: 1,833,472 km (0.118 R)
• M5: 3,260,037 km (0.112 R)
• M6: 4,439,915 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.4

Radius: 13.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.23 AU - 1.57 AU

Year: 1143 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,682,245 km

• M1: 172,636 km (0.081 R)
• M2: 599,588 km (0.111 R)
• M3: 1,071,270 km (0.08 R)
• M4: 1,575,565 km (0.067 R)
• M5: 2,175,452 km (0.102 R)
• M6: 3,187,183 km (0.1 R)
• M7: 3,682,052 km (0.097 R)
• M8: 5,657,193 km (0.098 R)
• M9: 6,088,035 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 11.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.36 AU - 2.24 AU

Year: 1667 Days

Day: 8 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,682,245 km

• M1: 144,362 km (0.085 R)
• M2: 516,262 km (0.107 R)
• M3: 993,629 km (0.105 R)
• M4: 1,688,661 km (0.103 R)
• M5: 2,393,267 km (0.1 R)
• M6: 3,440,003 km (0.031 R)
• M7: 4,023,435 km (0.076 R)
• M8: 5,134,947 km (0.098 R)
• M9: 6,037,022 km (0.116 R)
• M10: 6,711,559 km (0.074 R)
• M11: 7,171,423 km (0.12 R)
• M12: 8,768,081 km (0.108 R)
• M13: 9,956,785 km (0.098 R)
• M14: 10,933,959 km (0.119 R)
• M15: 11,499,888 km (0.045 R)
• M16: 12,537,199 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 13

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.81 AU - 6.25 AU

Year: 7787 Days

Day: 8 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,682,245 km

• M1: 171,888 km (0.114 R)
• M2: 766,539 km (0.11 R)
• M3: 1,279,660 km (0.086 R)
• M4: 5,030,228 km (0.094 R)
• M5: 5,657,642 km (0.05 R)
• M6: 7,736,603 km (0.104 R)
• M7: 9,196,230 km (0.027 R)
• M8: 10,781,519 km (0.084 R)
• M9: 13,579,896 km (0.079 R)
• M10: 14,425,872 km (0.102 R)
• M11: 15,499,985 km (0.112 R)
• M12: 16,558,988 km (0.082 R)
• M13: 17,454,481 km (0.065 R)
• M14: 20,569,109 km (0.107 R)
• M15: 23,863,553 km (0.109 R)
• M16: 29,641,472 km (0.042 R)
• M17: 30,144,569 km (0.076 R)
• M18: 31,688,120 km (0.115 R)
• M19: 32,852,889 km (0.083 R)
• M20: 38,989,244 km (0.087 R)
• M21: 40,820,472 km (0.115 R)

Asteroid Belt

Center: 6.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193

Radius: 7.7

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.39 AU - 9.47 AU

Year: 18420 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,682,245 km

• M1: 101,577 km (0.106 R)
• M2: 403,914 km (0.078 R)
• M3: 691,890 km (0.114 R)
• M4: 952,938 km (0.093 R)
• M5: 1,625,381 km (0.113 R)
• M6: 2,257,881 km (0.03 R)
• M7: 2,722,532 km (0.111 R)
• M8: 3,111,636 km (0.093 R)
• M9: 3,612,041 km (0.108 R)
• M10: 5,471,692 km (0.1 R)
• M11: 6,569,890 km (0.105 R)
• M12: 6,992,803 km (0.045 R)
• M13: 7,311,746 km (0.045 R)
• M14: 7,598,674 km (0.112 R)
• M15: 8,594,996 km (0.043 R)
• M16: 9,242,605 km (0.112 R)
• M17: 11,110,484 km (0.107 R)
• M18: 17,465,402 km (0.051 R)
• M19: 18,127,672 km (0.077 R)
• M20: 22,030,830 km (0.098 R)
• M21: 22,803,951 km (0.055 R)
• M22: 25,511,673 km (0.027 R)
• M23: 26,942,876 km (0.111 R)
• M24: 29,652,392 km (0.114 R)
• M25: 37,391,389 km (0.083 R)
• M26: 40,370,332 km (0.117 R)
• M27: 41,787,173 km (0.106 R)
• M28: 42,705,854 km (0.051 R)
• M29: 44,583,457 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692

Radius: 3.7

Gravity: 50.55 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.24 AU - 12.44 AU

Year: 22950 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,682,245 km

• M1: 46,076 km (0.116 R)
• M2: 435,479 km (0.112 R)
• M3: 638,035 km (0.099 R)
• M4: 1,291,030 km (0.116 R)
• M5: 1,499,120 km (0.082 R)
• M6: 1,655,899 km (0.085 R)
• M7: 1,785,451 km (0.087 R)
• M8: 2,023,162 km (0.1 R)
• M9: 2,215,096 km (0.11 R)
• M10: 2,442,484 km (0.045 R)
• M11: 2,586,098 km (0.066 R)
• M12: 2,812,440 km (0.11 R)
• M13: 3,051,647 km (0.067 R)
• M14: 4,969,192 km (0.106 R)
• M15: 8,133,786 km (0.11 R)
• M16: 12,357,083 km (0.103 R)
• M17: 15,534,841 km (0.103 R)
• M18: 16,112,588 km (0.099 R)
• M19: 16,364,511 km (0.055 R)
• M20: 18,936,697 km (0.084 R)
• M21: 21,460,862 km (0.053 R)
• M22: 21,868,067 km (0.099 R)
• M23: 22,384,479 km (0.103 R)
• M24: 25,426,701 km (0.04 R)
• M25: 26,928,365 km (0.047 R)
• M26: 28,610,443 km (0.113 R)
• M27: 32,049,997 km (0.073 R)
• M28: 37,489,675 km (0.087 R)
• M29: 45,656,073 km (0.081 R)
• M30: 47,009,036 km (0.097 R)
• M31: 49,972,421 km (0.097 R)
• M32: 50,150,592 km (0.118 R)
• M33: 51,772,532 km (0.041 R)
• M34: 51,954,892 km (0.054 R)
• M35: 57,626,596 km (0.091 R)
• M36: 68,191,197 km (0.113 R)
• M37: 72,891,862 km (0.094 R)
• M38: 80,707,303 km (0.225 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 16,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit