🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.59 AU - 0.63 AU

Year: 168 Days

Day: 33.8 Hours

Environment

Temp: 190 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.67 AU - 0.93 AU

Year: 253 Days

Day: 22.3 Hours

Environment

Temp: 203 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,866,979 km

• M1: 35,604 km (0.029 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.16 AU - 3.6 AU

Year: 2194 Days

Day: 43.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.7

Radius: 14

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.81 AU - 8.25 AU

Year: 6582 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 102,866,979 km

• M1: 174,730 km (0.09 R)
• M2: 658,231 km (0.057 R)
• M3: 1,129,464 km (0.095 R)
• M4: 1,970,503 km (0.107 R)
• M5: 4,201,456 km (0.045 R)
• M6: 5,817,712 km (0.116 R)
• M7: 6,428,071 km (0.087 R)
• M8: 8,519,300 km (0.088 R)
• M9: 9,581,594 km (0.045 R)
• M10: 10,830,138 km (0.108 R)
• M11: 13,243,600 km (0.04 R)
• M12: 14,062,649 km (0.081 R)
• M13: 15,417,706 km (0.041 R)
• M14: 24,294,096 km (0.101 R)
• M15: 25,790,075 km (0.076 R)
• M16: 27,067,640 km (0.102 R)
• M17: 29,847,618 km (0.059 R)
• M18: 31,976,096 km (0.103 R)
• M19: 32,707,480 km (0.116 R)
• M20: 38,730,590 km (0.114 R)
• M21: 40,892,129 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.9

Radius: 7.4

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 14.52 AU - 16.68 AU

Year: 21756 Days

Day: 23.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 102,866,979 km

• M1: 119,080 km (0.096 R)
• M2: 549,922 km (0.071 R)
• M3: 1,437,785 km (0.074 R)
• M4: 4,481,653 km (0.117 R)
• M5: 5,449,850 km (0.118 R)
• M6: 5,962,971 km (0.103 R)
• M7: 6,726,070 km (0.064 R)
• M8: 9,855,358 km (0.111 R)
• M9: 11,042,417 km (0.028 R)
• M10: 11,479,542 km (0.052 R)
• M11: 12,321,928 km (0.096 R)
• M12: 13,912,153 km (0.052 R)
• M13: 15,869,342 km (0.114 R)
• M14: 17,410,948 km (0.108 R)
• M15: 22,432,201 km (0.111 R)
• M16: 25,432,386 km (0.057 R)
• M17: 26,304,841 km (0.098 R)
• M18: 32,089,192 km (0.091 R)
• M19: 33,236,309 km (0.117 R)
• M20: 34,147,360 km (0.087 R)
• M21: 34,410,652 km (0.08 R)
• M22: 36,155,262 km (0.103 R)
• M23: 42,955,084 km (0.112 R)
• M24: 56,038,614 km (0.104 R)
• M25: 70,688,135 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.8

Radius: 7.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 17.13 AU - 20.03 AU

Year: 28279 Days

Day: 20.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 102,866,979 km

• M1: 95,892 km (0.11 R)
• M2: 614,548 km (0.109 R)
• M3: 1,119,740 km (0.074 R)
• M4: 1,569,282 km (0.069 R)
• M5: 1,876,855 km (0.077 R)
• M6: 2,936,756 km (0.09 R)
• M7: 3,481,890 km (0.095 R)
• M8: 4,064,574 km (0.11 R)
• M9: 4,588,316 km (0.066 R)
• M10: 5,255,224 km (0.11 R)
• M11: 8,580,036 km (0.102 R)
• M12: 11,056,330 km (0.114 R)
• M13: 11,445,284 km (0.119 R)
• M14: 12,606,762 km (0.082 R)
• M15: 18,273,230 km (0.111 R)
• M16: 19,053,383 km (0.05 R)
• M17: 24,114,279 km (0.057 R)
• M18: 38,279,851 km (0.053 R)
• M19: 39,813,977 km (0.109 R)
• M20: 42,191,387 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.7

Radius: 6

Gravity: 21.99 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 16.85 AU - 21.15 AU

Year: 29243 Days

Day: 15.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 102,866,979 km

• M1: 74,949 km (0.096 R)
• M2: 414,685 km (0.116 R)
• M3: 654,341 km (0.072 R)
• M4: 1,169,107 km (0.097 R)
• M5: 1,425,817 km (0.098 R)
• M6: 1,966,015 km (0.095 R)
• M7: 2,307,098 km (0.078 R)
• M8: 2,877,814 km (0.043 R)
• M9: 3,973,918 km (0.085 R)
• M10: 4,991,333 km (0.044 R)
• M11: 8,247,331 km (0.08 R)
• M12: 10,145,428 km (0.091 R)
• M13: 11,160,749 km (0.077 R)
• M14: 16,990,877 km (0.075 R)
• M15: 18,516,177 km (0.119 R)
• M16: 24,101,863 km (0.051 R)
• M17: 25,533,514 km (0.049 R)
• M18: 27,147,526 km (0.111 R)
• M19: 32,969,576 km (0.084 R)
• M20: 35,181,530 km (0.095 R)
• M21: 41,559,934 km (0.058 R)
• M22: 42,067,220 km (0.109 R)
• M23: 46,820,094 km (0.071 R)
• M24: 47,737,877 km (0.105 R)
• M25: 48,854,925 km (0.039 R)
• M26: 49,042,820 km (0.106 R)
• M27: 49,989,325 km (0.1 R)
• M28: 51,528,987 km (0.111 R)
• M29: 52,507,207 km (0.089 R)
• M30: 69,886,141 km (0.107 R)
• M31: 75,762,046 km (0.05 R)
• M32: 78,561,920 km (0.064 R)
• M33: 83,023,377 km (0.102 R)
• M34: 84,637,539 km (0.101 R)
• M35: 87,650,739 km (0.092 R)
• M36: 88,206,196 km (0.118 R)
• M37: 91,874,036 km (0.08 R)
• M38: 94,471,953 km (0.099 R)
• M39: 95,642,107 km (0.063 R)
• M40: 96,821,986 km (0.092 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 16,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit