🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.39 AU - 0.63 AU

Year: 127 Days

Day: 30.3 Hours

Environment

Temp: 248 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.48 AU - 0.74 AU

Year: 166 Days

Day: 27.4 Hours

Environment

Temp: 188 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,277,888 km

• M1: 124,615 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.68 AU - 2.8 AU

Year: 1168 Days

Day: 17.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.3

Radius: 14.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.21 AU - 10.25 AU

Year: 9766 Days

Day: 11.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,277,888 km

• M1: 184,753 km (0.106 R)
• M2: 716,574 km (0.06 R)
• M3: 1,749,397 km (0.091 R)
• M4: 2,259,077 km (0.05 R)
• M5: 3,038,183 km (0.105 R)
• M6: 4,096,738 km (0.072 R)
• M7: 4,653,691 km (0.107 R)
• M8: 5,751,290 km (0.108 R)
• M9: 6,452,455 km (0.096 R)
• M10: 8,813,110 km (0.118 R)
• M11: 9,698,729 km (0.025 R)
• M12: 11,217,297 km (0.094 R)
• M13: 12,201,651 km (0.098 R)
• M14: 12,772,965 km (0.1 R)
• M15: 14,658,647 km (0.103 R)
• M16: 15,701,493 km (0.069 R)
• M17: 16,515,755 km (0.098 R)
• M18: 17,357,991 km (0.114 R)
• M19: 18,749,849 km (0.113 R)
• M20: 22,005,548 km (0.094 R)
• M21: 26,750,194 km (0.087 R)
• M22: 27,912,120 km (0.118 R)
• M23: 28,406,092 km (0.101 R)
• M24: 31,707,119 km (0.058 R)
• M25: 34,232,331 km (0.103 R)
• M26: 35,026,845 km (0.03 R)
• M27: 40,430,919 km (0.093 R)
• M28: 42,349,212 km (0.061 R)
• M29: 44,327,495 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458

Radius: 4.1

Gravity: 27.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 17.15 AU - 20.67 AU

Year: 28637 Days

Day: 20 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,277,888 km

• M1: 51,013 km (0.091 R)
• M2: 193,280 km (0.075 R)
• M3: 403,465 km (0.065 R)
• M4: 603,328 km (0.094 R)
• M5: 811,120 km (0.083 R)
• M6: 1,000,361 km (0.058 R)
• M7: 1,263,055 km (0.105 R)
• M8: 1,418,936 km (0.073 R)
• M9: 2,286,454 km (0.097 R)
• M10: 2,793,142 km (0.079 R)
• M11: 2,924,040 km (0.052 R)
• M12: 3,641,811 km (0.089 R)
• M13: 3,862,168 km (0.104 R)
• M14: 4,125,012 km (0.114 R)
• M15: 4,722,805 km (0.029 R)
• M16: 5,915,698 km (0.083 R)
• M17: 6,220,429 km (0.096 R)
• M18: 8,654,386 km (0.065 R)
• M19: 10,546,799 km (0.066 R)
• M20: 10,865,593 km (0.107 R)
• M21: 15,612,632 km (0.1 R)
• M22: 16,193,970 km (0.08 R)
• M23: 18,849,930 km (0.093 R)
• M24: 22,299,059 km (0.077 R)
• M25: 24,116,523 km (0.084 R)
• M26: 25,685,506 km (0.118 R)
• M27: 26,261,906 km (0.082 R)
• M28: 30,669,658 km (0.094 R)
• M29: 32,912,429 km (0.099 R)
• M30: 35,830,784 km (0.071 R)
• M31: 67,997,319 km (0.091 R)
• M32: 81,025,348 km (0.11 R)
• M33: 82,263,570 km (0.085 R)
• M34: 82,762,329 km (0.057 R)
• M35: 84,018,054 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.7

Radius: 7.3

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 16.95 AU - 22.61 AU

Year: 30636 Days

Day: 20 Hours

Environment

Temp: -200 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,277,888 km

• M1: 90,806 km (0.032 R)
• M2: 738,565 km (0.047 R)
• M3: 1,294,022 km (0.09 R)
• M4: 2,141,194 km (0.111 R)
• M5: 4,216,416 km (0.107 R)
• M6: 4,516,659 km (0.078 R)
• M7: 9,320,995 km (0.025 R)
• M8: 12,600,030 km (0.097 R)
• M9: 13,153,842 km (0.058 R)
• M10: 13,723,809 km (0.04 R)
• M11: 14,310,084 km (0.11 R)
• M12: 15,066,301 km (0.115 R)
• M13: 23,836,476 km (0.074 R)
• M14: 28,271,305 km (0.079 R)
• M15: 36,740,190 km (0.087 R)
• M16: 38,731,188 km (0.081 R)
• M17: 42,463,206 km (0.071 R)
• M18: 51,328,675 km (0.1 R)
• M19: 64,148,016 km (0.075 R)

Kuiper Belt

Range: 31.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 12,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit