🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.48 AU - 0.58 AU

Year: 249 Days

Day: 13 Hours

Environment

Temp: -114 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,962,570 km

• M1: 26,778 km (0.119 R)
• M2: 375,042 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 10.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.66 AU - 0.88 AU

Year: 436 Days

Day: 5 Hours

Environment

Temp: -140 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,962,570 km

• M1: 130,599 km (0.119 R)
• M2: 531,671 km (0.117 R)
• M3: 1,322,146 km (0.056 R)
• M4: 1,696,290 km (0.11 R)
• M5: 2,210,309 km (0.111 R)
• M6: 2,566,800 km (0.108 R)
• M7: 3,421,303 km (0.106 R)
• M8: 3,966,588 km (0.087 R)
• M9: 4,315,599 km (0.098 R)
• M10: 5,091,115 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 10.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.25 AU - 1.97 AU

Year: 1319 Days

Day: 12.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,962,570 km

• M1: 128,056 km (0.076 R)
• M2: 549,623 km (0.115 R)
• M3: 874,100 km (0.1 R)
• M4: 1,339,799 km (0.113 R)
• M5: 2,639,804 km (0.043 R)
• M6: 3,717,208 km (0.114 R)
• M7: 4,193,528 km (0.025 R)
• M8: 4,522,194 km (0.031 R)
• M9: 5,268,837 km (0.087 R)
• M10: 5,652,256 km (0.074 R)
• M11: 7,687,087 km (0.112 R)
• M12: 8,333,948 km (0.118 R)
• M13: 8,723,351 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 9.3

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.29 AU - 2.81 AU

Year: 2629 Days

Day: 10 Hours

Environment

Temp: -194 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,962,570 km

• M1: 115,639 km (0.074 R)
• M2: 498,460 km (0.094 R)
• M3: 818,300 km (0.105 R)
• M4: 1,252,433 km (0.086 R)
• M5: 1,566,140 km (0.111 R)
• M6: 1,872,068 km (0.098 R)
• M7: 2,164,232 km (0.065 R)
• M8: 2,561,564 km (0.065 R)
• M9: 3,126,446 km (0.083 R)
• M10: 3,891,489 km (0.112 R)
• M11: 4,200,858 km (0.093 R)
• M12: 5,035,016 km (0.107 R)
• M13: 5,606,928 km (0.078 R)
• M14: 6,675,057 km (0.084 R)
• M15: 7,744,233 km (0.082 R)
• M16: 8,818,046 km (0.113 R)
• M17: 9,245,448 km (0.096 R)
• M18: 10,571,184 km (0.108 R)
• M19: 10,931,715 km (0.057 R)
• M20: 11,677,460 km (0.085 R)
• M21: 12,236,807 km (0.105 R)
• M22: 12,679,168 km (0.117 R)
• M23: 13,879,242 km (0.105 R)
• M24: 16,291,208 km (0.105 R)
• M25: 16,935,227 km (0.099 R)
• M26: 17,989,742 km (0.091 R)
• M27: 19,622,454 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 12.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.24 AU - 3.36 AU

Year: 3025 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,962,570 km

• M1: 160,369 km (0.044 R)
• M2: 575,204 km (0.107 R)
• M3: 1,086,829 km (0.084 R)
• M4: 1,618,799 km (0.039 R)
• M5: 2,119,802 km (0.082 R)
• M6: 2,525,511 km (0.052 R)
• M7: 4,303,332 km (0.082 R)
• M8: 5,010,182 km (0.099 R)
• M9: 6,008,000 km (0.064 R)
• M10: 6,685,379 km (0.117 R)
• M11: 7,381,757 km (0.059 R)
• M12: 9,954,990 km (0.103 R)
• M13: 11,234,351 km (0.057 R)
• M14: 13,924,869 km (0.084 R)
• M15: 14,759,326 km (0.066 R)
• M16: 17,576,104 km (0.057 R)
• M17: 18,202,770 km (0.09 R)
• M18: 20,172,674 km (0.037 R)
• M19: 21,952,291 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.6

Radius: 14.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.36 AU - 3.34 AU

Year: 3107 Days

Day: 9 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,962,570 km

• M1: 185,950 km (0.084 R)
• M2: 840,441 km (0.054 R)
• M3: 1,471,893 km (0.049 R)
• M4: 2,426,477 km (0.115 R)
• M5: 2,883,050 km (0.106 R)
• M6: 5,797,067 km (0.058 R)
• M7: 6,573,330 km (0.065 R)
• M8: 7,556,338 km (0.072 R)
• M9: 9,037,955 km (0.098 R)

Asteroid Belt

Center: 4.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 9.7

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.04 AU - 6.7 AU

Year: 9183 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,962,570 km

• M1: 124,765 km (0.118 R)
• M2: 530,025 km (0.085 R)
• M3: 983,756 km (0.111 R)
• M4: 1,443,619 km (0.086 R)
• M5: 1,898,696 km (0.083 R)
• M6: 2,504,268 km (0.111 R)
• M7: 2,863,303 km (0.082 R)
• M8: 3,211,118 km (0.062 R)
• M9: 3,888,647 km (0.029 R)
• M10: 4,571,262 km (0.074 R)
• M11: 5,018,111 km (0.087 R)
• M12: 6,834,379 km (0.096 R)
• M13: 8,645,560 km (0.107 R)
• M14: 10,248,950 km (0.09 R)
• M15: 10,756,087 km (0.09 R)
• M16: 11,930,879 km (0.06 R)
• M17: 13,427,007 km (0.066 R)
• M18: 14,787,600 km (0.052 R)
• M19: 18,144,726 km (0.116 R)
• M20: 19,266,261 km (0.111 R)
• M21: 20,592,446 km (0.045 R)
• M22: 27,854,076 km (0.109 R)
• M23: 30,575,112 km (0.104 R)
• M24: 38,083,429 km (0.119 R)
• M25: 38,688,553 km (0.106 R)
• M26: 39,546,496 km (0.059 R)
• M27: 43,762,763 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 11,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit