🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.93 AU - 1.25 AU

Year: 420 Days

Day: 42.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,523,944 km

• M1: 234,719 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.18 AU - 3.28 AU

Year: 1664 Days

Day: 18.3 Hours

Environment

Temp: -88 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,523,944 km

• M1: 899,831 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.9 AU - 4.28 AU

Year: 3052 Days

Day: 42 Hours

Environment

Temp: -120 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.56 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.6

Radius: 4.3

Gravity: 28.75 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 12.06 AU - 13.98 AU

Year: 17334 Days

Day: 24.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,523,944 km

• M1: 53,556 km (0.108 R)
• M2: 247,136 km (0.117 R)
• M3: 786,586 km (0.114 R)
• M4: 1,602,343 km (0.097 R)
• M5: 2,356,615 km (0.114 R)
• M6: 3,116,423 km (0.063 R)
• M7: 4,241,100 km (0.1 R)
• M8: 6,235,090 km (0.035 R)
• M9: 11,814,641 km (0.072 R)
• M10: 29,046,970 km (0.051 R)
• M11: 31,009,993 km (0.084 R)
• M12: 32,569,551 km (0.088 R)
• M13: 42,453,183 km (0.112 R)
• M14: 42,598,891 km (0.088 R)
• M15: 59,826,732 km (0.073 R)
• M16: 61,675,163 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.1

Radius: 7.2

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 14.49 AU - 16.57 AU

Year: 22581 Days

Day: 15.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 47,523,944 km

• M1: 119,529 km (0.068 R)
• M2: 407,505 km (0.083 R)
• M3: 993,629 km (0.082 R)
• M4: 1,987,857 km (0.051 R)
• M5: 2,442,634 km (0.115 R)
• M6: 3,210,370 km (0.084 R)
• M7: 3,997,405 km (0.096 R)
• M8: 5,409,908 km (0.104 R)
• M9: 6,842,158 km (0.11 R)
• M10: 7,620,665 km (0.101 R)
• M11: 10,559,216 km (0.107 R)
• M12: 11,200,093 km (0.101 R)
• M13: 12,987,489 km (0.089 R)
• M14: 14,100,946 km (0.092 R)
• M15: 15,196,301 km (0.058 R)
• M16: 15,438,201 km (0.07 R)
• M17: 16,179,459 km (0.077 R)
• M18: 16,944,053 km (0.045 R)
• M19: 18,453,945 km (0.111 R)
• M20: 20,440,155 km (0.119 R)
• M21: 22,985,563 km (0.058 R)
• M22: 23,842,759 km (0.107 R)
• M23: 24,610,047 km (0.082 R)
• M24: 26,658,789 km (0.102 R)
• M25: 26,893,209 km (0.119 R)
• M26: 27,724,525 km (0.076 R)
• M27: 27,965,228 km (0.069 R)
• M28: 29,689,044 km (0.086 R)
• M29: 32,941,302 km (0.071 R)
• M30: 38,626,469 km (0.1 R)
• M31: 44,272,891 km (0.108 R)
• M32: 48,851,933 km (0.085 R)
• M33: 52,073,822 km (0.104 R)
• M34: 54,864,869 km (0.113 R)
• M35: 56,008,545 km (0.094 R)
• M36: 62,584,868 km (0.088 R)
• M37: 64,674,750 km (0.12 R)
• M38: 73,500,575 km (0.093 R)
• M39: 73,961,786 km (0.046 R)
• M40: 80,378,487 km (0.058 R)
• M41: 83,847,363 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.7

Radius: 5.4

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 12.5 AU - 18.8 AU

Year: 22843 Days

Day: 15.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,523,944 km

• M1: 77,940 km (0.113 R)
• M2: 545,434 km (0.026 R)
• M3: 1,013,226 km (0.079 R)
• M4: 1,613,563 km (0.053 R)
• M5: 2,069,387 km (0.055 R)
• M6: 6,669,671 km (0.118 R)
• M7: 9,727,452 km (0.073 R)
• M8: 11,911,730 km (0.057 R)
• M9: 14,256,079 km (0.099 R)
• M10: 14,624,837 km (0.076 R)
• M11: 14,924,482 km (0.106 R)
• M12: 15,381,653 km (0.087 R)
• M13: 27,381,646 km (0.1 R)
• M14: 35,688,218 km (0.099 R)
• M15: 35,959,139 km (0.103 R)
• M16: 40,188,720 km (0.112 R)
• M17: 44,738,141 km (0.112 R)
• M18: 48,782,070 km (0.119 R)
• M19: 49,787,667 km (0.117 R)
• M20: 49,956,563 km (0.078 R)
• M21: 51,321,794 km (0.101 R)
• M22: 53,948,134 km (0.1 R)
• M23: 69,903,943 km (0.079 R)
• M24: 71,395,733 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.8

Radius: 3.6

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 16.11 AU - 17.45 AU

Year: 25361 Days

Day: 19.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,523,944 km

• M1: 44,879 km (0.082 R)
• M2: 183,557 km (0.081 R)
• M3: 578,345 km (0.092 R)
• M4: 1,600,548 km (0.114 R)
• M5: 4,342,527 km (0.103 R)
• M6: 6,195,895 km (0.087 R)
• M7: 6,454,699 km (0.089 R)
• M8: 8,161,461 km (0.071 R)
• M9: 8,427,596 km (0.1 R)
• M10: 9,795,968 km (0.073 R)
• M11: 13,083,680 km (0.036 R)
• M12: 22,489,497 km (0.096 R)
• M13: 23,100,006 km (0.12 R)
• M14: 26,608,225 km (0.071 R)
• M15: 27,686,377 km (0.107 R)
• M16: 29,824,729 km (0.049 R)
• M17: 31,202,226 km (0.088 R)
• M18: 34,312,067 km (0.115 R)
• M19: 42,314,356 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 18,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit