🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.71 AU - 1.09 AU

Year: 297 Days

Day: 26.8 Hours

Environment

Temp: 101 °C

Axial Tilt: 47.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.26 AU - 1.32 AU

Year: 510 Days

Day: 34.2 Hours

Environment

Temp: 27 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 15,926,069 km

• M1: 421,268 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.47 AU - 2.23 AU

Year: 876 Days

Day: 24 Hours

Environment

Temp: -49 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 15,926,069 km

• M1: 223,499 km (0.046 R)
• M2: 1,634,207 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.78 AU - 2.56 AU

Year: 1113 Days

Day: 18.1 Hours

Environment

Temp: -63 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.99 AU - 2.59 AU

Year: 1207 Days

Day: 18.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,926,069 km

• M1: 1,259,016 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 8.1

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.07 AU - 6.49 AU

Year: 4839 Days

Day: 12.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 15,926,069 km

• M1: 104,719 km (0.086 R)
• M2: 163,510 km (0.062 R)
• M3: 271,520 km (0.111 R)
• M4: 329,714 km (0.099 R)
• M5: 489,185 km (0.07 R)
• M6: 554,559 km (0.109 R)
• M7: 770,279 km (0.118 R)
• M8: 1,048,531 km (0.079 R)
• M9: 1,123,031 km (0.077 R)
• M10: 1,357,451 km (0.115 R)
• M11: 1,425,369 km (0.089 R)
• M12: 1,593,217 km (0.05 R)
• M13: 1,978,881 km (0.102 R)
• M14: 2,103,346 km (0.089 R)
• M15: 2,230,504 km (0.103 R)
• M16: 2,851,335 km (0.077 R)
• M17: 3,045,813 km (0.077 R)
• M18: 3,208,276 km (0.057 R)
• M19: 3,281,429 km (0.105 R)
• M20: 3,466,631 km (0.11 R)
• M21: 3,636,275 km (0.108 R)
• M22: 3,731,719 km (0.108 R)
• M23: 3,866,806 km (0.077 R)
• M24: 4,141,916 km (0.1 R)
• M25: 4,402,965 km (0.046 R)
• M26: 4,648,754 km (0.118 R)
• M27: 5,111,161 km (0.118 R)
• M28: 5,876,653 km (0.095 R)
• M29: 6,124,686 km (0.117 R)
• M30: 6,584,401 km (0.104 R)
• M31: 6,865,645 km (0.053 R)
• M32: 6,960,191 km (0.107 R)
• M33: 7,031,399 km (0.076 R)
• M34: 7,150,778 km (0.118 R)
• M35: 7,439,801 km (0.108 R)
• M36: 7,512,655 km (0.081 R)
• M37: 7,585,659 km (0.033 R)
• M38: 7,757,248 km (0.108 R)
• M39: 8,179,114 km (0.098 R)
• M40: 8,430,738 km (0.109 R)
• M41: 8,557,597 km (0.093 R)
• M42: 8,736,067 km (0.104 R)
• M43: 8,787,379 km (0.044 R)
• M44: 9,071,016 km (0.097 R)
• M45: 9,357,646 km (0.076 R)
• M46: 9,753,482 km (0.069 R)
• M47: 9,859,846 km (0.075 R)
• M48: 10,047,143 km (0.111 R)
• M49: 10,343,795 km (0.095 R)
• M50: 10,398,099 km (0.06 R)
• M51: 10,835,374 km (0.065 R)
• M52: 11,056,330 km (0.08 R)
• M53: 11,502,730 km (0.075 R)
• M54: 11,983,388 km (0.12 R)
• M55: 12,993,772 km (0.072 R)
• M56: 13,881,486 km (0.103 R)
• M57: 14,211,798 km (0.093 R)
• M58: 14,788,498 km (0.111 R)
• M59: 15,033,688 km (0.101 R)
• M60: 15,964,935 km (0.109 R)
• M61: 16,374,235 km (0.104 R)
• M62: 17,461,063 km (0.083 R)
• M63: 17,785,092 km (0.086 R)
• M64: 17,915,243 km (0.102 R)
• M65: 18,209,352 km (0.096 R)
• M66: 18,835,569 km (0.118 R)
• M67: 19,201,186 km (0.097 R)
• M68: 19,502,177 km (0.098 R)
• M69: 19,872,132 km (0.057 R)
• M70: 19,939,751 km (0.108 R)
• M71: 20,448,533 km (0.045 R)
• M72: 20,858,581 km (0.096 R)
• M73: 20,995,912 km (0.071 R)
• M74: 21,861,036 km (0.061 R)
• M75: 22,175,192 km (0.04 R)
• M76: 22,280,359 km (0.101 R)
• M77: 22,596,609 km (0.117 R)
• M78: 22,772,985 km (0.111 R)
• M79: 22,879,050 km (0.063 R)
• M80: 22,985,114 km (0.059 R)
• M81: 23,733,104 km (0.114 R)
• M82: 24,056,086 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.5

Radius: 11.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.35 AU - 6.93 AU

Year: 5298 Days

Day: 14.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 15,926,069 km

• M1: 209,138 km (0.112 R)
• M2: 355,893 km (0.039 R)
• M3: 510,578 km (0.083 R)
• M4: 645,664 km (0.103 R)
• M5: 1,311,824 km (0.047 R)
• M6: 2,226,615 km (0.072 R)
• M7: 2,409,872 km (0.118 R)
• M8: 2,547,502 km (0.115 R)
• M9: 3,110,888 km (0.087 R)
• M10: 3,206,331 km (0.116 R)
• M11: 3,386,148 km (0.065 R)
• M12: 3,583,467 km (0.059 R)
• M13: 3,813,848 km (0.095 R)
• M14: 3,930,834 km (0.094 R)
• M15: 4,123,665 km (0.078 R)
• M16: 4,213,723 km (0.097 R)
• M17: 4,395,784 km (0.108 R)
• M18: 4,472,528 km (0.101 R)
• M19: 4,862,529 km (0.089 R)
• M20: 5,150,206 km (0.119 R)
• M21: 5,961,475 km (0.051 R)
• M22: 6,883,746 km (0.034 R)
• M23: 7,315,934 km (0.08 R)
• M24: 7,757,098 km (0.115 R)
• M25: 8,018,296 km (0.036 R)
• M26: 10,049,237 km (0.118 R)
• M27: 11,863,560 km (0.072 R)
• M28: 11,949,429 km (0.091 R)
• M29: 12,078,532 km (0.117 R)
• M30: 12,403,459 km (0.112 R)
• M31: 12,665,405 km (0.119 R)
• M32: 12,797,200 km (0.059 R)
• M33: 14,139,093 km (0.072 R)
• M34: 14,665,378 km (0.094 R)
• M35: 15,198,096 km (0.028 R)
• M36: 15,572,390 km (0.054 R)
• M37: 15,902,403 km (0.073 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 18,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit