🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.4 AU - 0.64 AU

Year: 242 Days

Day: 47.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688

Radius: 14.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.68 AU - 0.92 AU

Year: 462 Days

Day: 5.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,505,855 km

• M1: 180,864 km (0.113 R)
• M2: 719,865 km (0.116 R)
• M3: 1,476,381 km (0.102 R)
• M4: 1,929,065 km (0.055 R)
• M5: 2,448,020 km (0.087 R)
• M6: 2,951,865 km (0.082 R)
• M7: 3,598,876 km (0.048 R)
• M8: 4,944,658 km (0.108 R)
• M9: 5,505,650 km (0.075 R)
• M10: 6,073,225 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 14.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.8 AU - 5.56 AU

Year: 7612 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,505,855 km

• M1: 185,352 km (0.067 R)
• M2: 915,988 km (0.115 R)
• M3: 1,667,268 km (0.069 R)
• M4: 2,281,368 km (0.11 R)
• M5: 3,574,492 km (0.116 R)
• M6: 5,062,990 km (0.104 R)
• M7: 5,677,239 km (0.12 R)
• M8: 6,662,640 km (0.086 R)
• M9: 9,304,838 km (0.067 R)
• M10: 9,876,152 km (0.12 R)
• M11: 12,674,380 km (0.088 R)
• M12: 16,564,523 km (0.06 R)
• M13: 19,234,546 km (0.118 R)
• M14: 20,672,032 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.5

Radius: 6.1

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.64 AU - 8.96 AU

Year: 12735 Days

Day: 19 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,505,855 km

• M1: 76,145 km (0.042 R)
• M2: 349,012 km (0.082 R)
• M3: 1,519,166 km (0.087 R)
• M4: 2,001,769 km (0.117 R)
• M5: 2,408,227 km (0.062 R)
• M6: 3,961,800 km (0.094 R)
• M7: 4,343,724 km (0.08 R)
• M8: 4,931,643 km (0.101 R)
• M9: 6,157,000 km (0.108 R)
• M10: 7,013,896 km (0.092 R)
• M11: 7,249,962 km (0.072 R)
• M12: 9,716,232 km (0.117 R)
• M13: 12,120,868 km (0.043 R)
• M14: 13,581,093 km (0.104 R)
• M15: 14,259,370 km (0.054 R)
• M16: 16,498,401 km (0.119 R)
• M17: 16,916,527 km (0.101 R)
• M18: 18,810,287 km (0.061 R)
• M19: 20,760,295 km (0.112 R)
• M20: 21,825,731 km (0.093 R)
• M21: 25,795,460 km (0.104 R)
• M22: 28,394,424 km (0.094 R)
• M23: 29,196,717 km (0.065 R)
• M24: 34,218,419 km (0.098 R)
• M25: 35,356,559 km (0.092 R)
• M26: 38,554,812 km (0.113 R)
• M27: 42,199,166 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.7

Radius: 5.4

Gravity: 25.44 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.75 AU - 13.09 AU

Year: 23300 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,505,855 km

• M1: 69,563 km (0.113 R)
• M2: 421,268 km (0.074 R)
• M3: 632,350 km (0.074 R)
• M4: 879,187 km (0.038 R)
• M5: 1,500,467 km (0.075 R)
• M6: 1,825,842 km (0.052 R)
• M7: 2,131,919 km (0.117 R)
• M8: 2,743,176 km (0.117 R)
• M9: 3,230,267 km (0.119 R)
• M10: 3,773,157 km (0.118 R)
• M11: 4,923,416 km (0.093 R)
• M12: 6,380,200 km (0.078 R)
• M13: 6,563,158 km (0.066 R)
• M14: 6,749,557 km (0.119 R)
• M15: 7,735,706 km (0.03 R)
• M16: 8,209,333 km (0.091 R)
• M17: 9,331,018 km (0.105 R)
• M18: 9,867,625 km (0.048 R)
• M19: 11,600,866 km (0.036 R)
• M20: 12,361,870 km (0.109 R)
• M21: 13,229,388 km (0.105 R)
• M22: 14,605,839 km (0.075 R)
• M23: 14,924,183 km (0.101 R)
• M24: 16,585,916 km (0.084 R)
• M25: 23,586,947 km (0.104 R)
• M26: 24,805,122 km (0.099 R)
• M27: 30,743,858 km (0.089 R)
• M28: 36,242,478 km (0.076 R)
• M29: 37,712,875 km (0.054 R)
• M30: 43,009,238 km (0.097 R)
• M31: 43,827,688 km (0.097 R)
• M32: 44,323,755 km (0.076 R)
• M33: 48,076,268 km (0.065 R)
• M34: 52,405,480 km (0.092 R)
• M35: 63,080,934 km (0.112 R)
• M36: 67,815,856 km (0.113 R)
• M37: 74,646,645 km (0.102 R)
• M38: 76,065,581 km (0.034 R)
• M39: 85,730,201 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 15,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit