🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.45 AU - 0.65 AU

Year: 154 Days

Day: 24.5 Hours

Environment

Temp: 149 °C

Axial Tilt: 14 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.52 AU - 0.74 AU

Year: 188 Days

Day: 35.9 Hours

Environment

Temp: 139 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,066,374 km

• M1: 16,157 km (0.092 R)
• M2: 81,232 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1 AU - 1.06 AU

Year: 394 Days

Day: 17.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,066,374 km

• M1: 786,586 km (0.034 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.82 AU - 1.96 AU

Year: 979 Days

Day: 21.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.86 AU - 2.26 AU

Year: 1114 Days

Day: 40.1 Hours

Environment

Temp: -86 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.49 AU - 2.59 AU

Year: 1525 Days

Day: 14.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.93 AU - 4.47 AU

Year: 2681 Days

Day: 27.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 11.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.74 AU - 7.16 AU

Year: 6171 Days

Day: 8.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 31,066,374 km

• M1: 176,226 km (0.063 R)
• M2: 309,368 km (0.06 R)
• M3: 550,371 km (0.11 R)
• M4: 853,456 km (0.06 R)
• M5: 947,852 km (0.083 R)
• M6: 1,118,543 km (0.102 R)
• M7: 1,192,744 km (0.107 R)
• M8: 1,507,199 km (0.104 R)
• M9: 1,623,735 km (0.064 R)
• M10: 1,830,480 km (0.102 R)
• M11: 1,919,191 km (0.081 R)
• M12: 2,482,577 km (0.038 R)
• M13: 2,824,109 km (0.097 R)
• M14: 3,266,619 km (0.111 R)
• M15: 3,463,191 km (0.03 R)
• M16: 3,754,009 km (0.089 R)
• M17: 3,936,818 km (0.095 R)
• M18: 4,029,419 km (0.103 R)
• M19: 4,193,228 km (0.106 R)
• M20: 4,600,434 km (0.029 R)
• M21: 4,995,223 km (0.027 R)
• M22: 5,401,082 km (0.068 R)
• M23: 5,581,945 km (0.1 R)
• M24: 5,738,724 km (0.12 R)
• M25: 5,976,585 km (0.112 R)
• M26: 6,163,731 km (0.101 R)
• M27: 6,380,200 km (0.109 R)
• M28: 6,516,633 km (0.107 R)
• M29: 6,626,587 km (0.089 R)
• M30: 6,737,140 km (0.12 R)
• M31: 7,128,937 km (0.114 R)
• M32: 7,470,768 km (0.086 R)
• M33: 8,708,990 km (0.054 R)
• M34: 9,259,061 km (0.06 R)
• M35: 10,169,065 km (0.116 R)
• M36: 10,264,807 km (0.05 R)
• M37: 10,425,027 km (0.084 R)
• M38: 10,683,233 km (0.111 R)
• M39: 10,878,308 km (0.083 R)
• M40: 11,074,431 km (0.052 R)
• M41: 11,271,900 km (0.103 R)
• M42: 11,770,510 km (0.083 R)
• M43: 12,446,543 km (0.087 R)
• M44: 12,549,017 km (0.07 R)
• M45: 12,789,272 km (0.036 R)
• M46: 12,927,350 km (0.113 R)
• M47: 13,135,291 km (0.041 R)
• M48: 13,379,136 km (0.08 R)
• M49: 13,554,315 km (0.087 R)
• M50: 14,370,072 km (0.074 R)
• M51: 14,441,730 km (0.061 R)
• M52: 14,874,367 km (0.036 R)
• M53: 14,946,922 km (0.112 R)
• M54: 15,604,853 km (0.091 R)
• M55: 15,826,408 km (0.047 R)
• M56: 16,309,758 km (0.092 R)
• M57: 16,421,957 km (0.034 R)
• M58: 16,873,593 km (0.047 R)
• M59: 16,949,140 km (0.079 R)
• M60: 17,673,642 km (0.1 R)
• M61: 17,750,386 km (0.053 R)
• M62: 18,681,184 km (0.083 R)
• M63: 20,792,458 km (0.104 R)
• M64: 20,914,231 km (0.066 R)
• M65: 21,321,885 km (0.114 R)
• M66: 21,814,362 km (0.061 R)
• M67: 22,020,807 km (0.092 R)
• M68: 22,685,470 km (0.113 R)
• M69: 23,272,492 km (0.051 R)
• M70: 23,398,902 km (0.114 R)
• M71: 23,652,471 km (0.082 R)
• M72: 24,504,281 km (0.104 R)
• M73: 25,322,880 km (0.109 R)
• M74: 25,975,426 km (0.089 R)
• M75: 26,677,639 km (0.068 R)
• M76: 27,030,989 km (0.086 R)
• M77: 27,252,693 km (0.119 R)
• M78: 27,697,896 km (0.105 R)
• M79: 28,100,614 km (0.119 R)
• M80: 29,184,001 km (0.048 R)
• M81: 29,593,900 km (0.097 R)
• M82: 30,005,593 km (0.077 R)
• M83: 30,281,152 km (0.081 R)
• M84: 30,649,761 km (0.111 R)
• M85: 30,973,641 km (0.035 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 10,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit