🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.45 AU - 0.65 AU

Year: 263 Days

Day: 14.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.58 AU - 0.6 AU

Year: 293 Days

Day: 31 Hours

Environment

Temp: -135 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,129,659 km

• M1: 48,919 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.49 AU - 0.77 AU

Year: 323 Days

Day: 14.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,129,659 km

• M1: 206,146 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 14.4

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.58 AU - 0.92 AU

Year: 419 Days

Day: 12.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 65,129,659 km

• M1: 182,958 km (0.048 R)
• M2: 673,789 km (0.1 R)
• M3: 2,428,721 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 13.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.8 AU - 2.1 AU

Year: 1758 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,129,659 km

• M1: 164,109 km (0.111 R)
• M2: 616,194 km (0.06 R)
• M3: 1,457,682 km (0.063 R)
• M4: 1,872,816 km (0.107 R)
• M5: 2,435,005 km (0.062 R)
• M6: 3,108,644 km (0.104 R)
• M7: 3,935,172 km (0.097 R)
• M8: 4,409,547 km (0.1 R)
• M9: 5,474,085 km (0.096 R)
• M10: 5,962,074 km (0.074 R)
• M11: 6,955,852 km (0.108 R)
• M12: 8,134,683 km (0.037 R)
• M13: 9,047,230 km (0.068 R)
• M14: 9,471,041 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.8

Radius: 9.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.91 AU - 2.21 AU

Year: 1909 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,129,659 km

• M1: 115,639 km (0.108 R)
• M2: 463,305 km (0.116 R)
• M3: 865,723 km (0.114 R)
• M4: 1,199,775 km (0.037 R)
• M5: 2,062,655 km (0.118 R)
• M6: 3,293,098 km (0.117 R)
• M7: 3,774,354 km (0.052 R)
• M8: 4,592,954 km (0.105 R)
• M9: 6,206,516 km (0.117 R)
• M10: 7,344,358 km (0.111 R)
• M11: 8,305,823 km (0.1 R)
• M12: 9,933,598 km (0.047 R)
• M13: 11,175,859 km (0.044 R)
• M14: 11,484,629 km (0.118 R)

Asteroid Belt

Center: 2.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 12.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.06 AU - 3.28 AU

Year: 2817 Days

Day: 10 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,129,659 km

• M1: 154,235 km (0.1 R)
• M2: 1,204,113 km (0.089 R)
• M3: 1,691,653 km (0.11 R)
• M4: 2,166,177 km (0.087 R)
• M5: 3,570,303 km (0.098 R)
• M6: 4,153,286 km (0.086 R)
• M7: 4,717,270 km (0.096 R)
• M8: 6,144,583 km (0.11 R)
• M9: 12,851,355 km (0.088 R)
• M10: 14,571,132 km (0.104 R)
• M11: 14,968,314 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.1

Radius: 6.1

Gravity: 21.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.39 AU - 9.69 AU

Year: 14720 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 65,129,659 km

• M1: 77,193 km (0.108 R)
• M2: 395,537 km (0.104 R)
• M3: 816,804 km (0.104 R)
• M4: 1,232,537 km (0.082 R)
• M5: 1,443,619 km (0.085 R)
• M6: 2,089,882 km (0.071 R)
• M7: 2,700,990 km (0.11 R)
• M8: 3,161,901 km (0.094 R)
• M9: 4,146,255 km (0.08 R)
• M10: 6,163,432 km (0.112 R)
• M11: 7,451,620 km (0.064 R)
• M12: 8,158,918 km (0.055 R)
• M13: 9,013,421 km (0.117 R)
• M14: 10,037,568 km (0.088 R)
• M15: 10,548,744 km (0.068 R)
• M16: 12,443,252 km (0.103 R)
• M17: 12,900,423 km (0.095 R)
• M18: 15,281,871 km (0.11 R)
• M19: 16,265,028 km (0.12 R)
• M20: 18,023,851 km (0.091 R)
• M21: 19,379,955 km (0.039 R)
• M22: 20,530,812 km (0.058 R)
• M23: 24,763,983 km (0.07 R)
• M24: 26,544,197 km (0.115 R)
• M25: 27,083,647 km (0.074 R)
• M26: 28,072,938 km (0.047 R)
• M27: 28,520,385 km (0.045 R)
• M28: 28,745,829 km (0.065 R)
• M29: 29,429,342 km (0.073 R)
• M30: 31,185,322 km (0.072 R)
• M31: 31,785,957 km (0.03 R)
• M32: 34,648,064 km (0.054 R)
• M33: 36,737,647 km (0.057 R)
• M34: 41,743,042 km (0.05 R)
• M35: 42,913,944 km (0.076 R)
• M36: 51,063,588 km (0.093 R)
• M37: 51,562,945 km (0.086 R)
• M38: 58,899,524 km (0.113 R)
• M39: 59,265,291 km (0.111 R)
• M40: 60,743,467 km (0.092 R)
• M41: 63,580,890 km (0.057 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 13,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit