🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.52 AU - 0.74 AU

Year: 175 Days

Day: 17.2 Hours

Environment

Temp: 161 °C

Axial Tilt: 32.6 °

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: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.51 AU - 0.75 AU

Year: 175 Days

Day: 38.1 Hours

Environment

Temp: 230 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.63 AU - 2.61 AU

Year: 1080 Days

Day: 13.2 Hours

Environment

Temp: -48 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 14

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.94 AU - 8.44 AU

Year: 8200 Days

Day: 13.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,949,022 km

• M1: 174,431 km (0.11 R)
• M2: 731,085 km (0.099 R)
• M3: 1,559,707 km (0.117 R)
• M4: 2,128,030 km (0.114 R)
• M5: 3,791,708 km (0.036 R)
• M6: 4,835,452 km (0.076 R)
• M7: 5,360,840 km (0.114 R)
• M8: 7,171,124 km (0.103 R)
• M9: 7,691,724 km (0.113 R)
• M10: 9,220,166 km (0.12 R)
• M11: 10,130,469 km (0.071 R)
• M12: 11,580,222 km (0.063 R)
• M13: 12,813,357 km (0.105 R)
• M14: 20,165,943 km (0.102 R)
• M15: 21,044,381 km (0.104 R)
• M16: 24,544,523 km (0.088 R)
• M17: 26,103,482 km (0.028 R)
• M18: 26,859,550 km (0.048 R)
• M19: 28,514,850 km (0.053 R)
• M20: 38,184,707 km (0.109 R)
• M21: 39,036,517 km (0.102 R)
• M22: 39,528,993 km (0.114 R)
• M23: 42,053,757 km (0.062 R)
• M24: 45,358,523 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 8.4

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.73 AU - 9.93 AU

Year: 9970 Days

Day: 12.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,949,022 km

• M1: 104,719 km (0.025 R)
• M2: 395,986 km (0.107 R)
• M3: 986,299 km (0.032 R)
• M4: 1,258,268 km (0.106 R)
• M5: 1,625,381 km (0.114 R)
• M6: 2,045,302 km (0.064 R)
• M7: 3,011,405 km (0.069 R)
• M8: 3,443,294 km (0.054 R)
• M9: 4,225,541 km (0.052 R)
• M10: 4,612,551 km (0.074 R)
• M11: 5,737,677 km (0.105 R)
• M12: 6,027,149 km (0.088 R)
• M13: 6,364,342 km (0.113 R)
• M14: 6,753,895 km (0.087 R)
• M15: 7,118,016 km (0.113 R)
• M16: 7,580,722 km (0.082 R)
• M17: 8,198,562 km (0.086 R)
• M18: 8,897,184 km (0.112 R)
• M19: 9,236,621 km (0.088 R)
• M20: 9,993,138 km (0.08 R)
• M21: 11,176,307 km (0.094 R)
• M22: 15,353,678 km (0.073 R)
• M23: 16,269,816 km (0.08 R)
• M24: 18,916,950 km (0.108 R)
• M25: 21,926,111 km (0.069 R)
• M26: 24,856,434 km (0.066 R)
• M27: 25,627,910 km (0.099 R)
• M28: 26,216,877 km (0.11 R)
• M29: 29,942,014 km (0.072 R)
• M30: 33,536,851 km (0.099 R)
• M31: 34,597,500 km (0.104 R)
• M32: 37,660,965 km (0.062 R)
• M33: 42,110,903 km (0.109 R)
• M34: 46,899,232 km (0.085 R)
• M35: 51,726,007 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 13.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.79 AU - 11.93 AU

Year: 11666 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,949,022 km

• M1: 169,195 km (0.051 R)
• M2: 1,102,237 km (0.102 R)
• M3: 2,309,642 km (0.104 R)
• M4: 3,025,467 km (0.046 R)
• M5: 5,242,957 km (0.116 R)
• M6: 5,855,560 km (0.09 R)
• M7: 6,961,387 km (0.105 R)
• M8: 9,747,648 km (0.03 R)
• M9: 11,943,595 km (0.111 R)
• M10: 18,717,835 km (0.111 R)
• M11: 19,491,406 km (0.11 R)
• M12: 21,379,630 km (0.061 R)
• M13: 22,011,681 km (0.101 R)
• M14: 23,092,825 km (0.095 R)
• M15: 24,209,124 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.7

Radius: 13.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 11.54 AU - 13.8 AU

Year: 15778 Days

Day: 7.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 141.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,949,022 km

• M1: 166,652 km (0.078 R)
• M2: 610,509 km (0.097 R)
• M3: 1,595,760 km (0.11 R)
• M4: 2,466,869 km (0.116 R)
• M5: 3,885,356 km (0.102 R)
• M6: 8,117,480 km (0.105 R)
• M7: 9,673,447 km (0.089 R)
• M8: 11,720,544 km (0.12 R)
• M9: 13,302,542 km (0.025 R)
• M10: 15,899,411 km (0.064 R)
• M11: 22,076,457 km (0.107 R)
• M12: 22,732,743 km (0.101 R)
• M13: 25,082,327 km (0.088 R)
• M14: 28,132,179 km (0.099 R)
• M15: 33,219,404 km (0.095 R)
• M16: 34,832,368 km (0.101 R)
• M17: 37,283,081 km (0.1 R)
• M18: 37,813,255 km (0.112 R)
• M19: 43,249,941 km (0.079 R)
• M20: 44,574,780 km (0.058 R)
• M21: 49,027,860 km (0.093 R)
• M22: 50,468,038 km (0.075 R)
• M23: 57,035,834 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.4

Radius: 4.8

Gravity: 28.23 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 16.13 AU - 16.79 AU

Year: 23363 Days

Day: 23.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,949,022 km

• M1: 62,981 km (0.095 R)
• M2: 312,360 km (0.072 R)
• M3: 703,110 km (0.062 R)
• M4: 954,434 km (0.051 R)
• M5: 2,253,243 km (0.102 R)
• M6: 2,879,011 km (0.06 R)
• M7: 3,894,781 km (0.047 R)
• M8: 4,258,303 km (0.074 R)
• M9: 5,444,615 km (0.104 R)
• M10: 5,648,068 km (0.107 R)
• M11: 6,604,148 km (0.101 R)
• M12: 7,765,027 km (0.093 R)
• M13: 8,720,509 km (0.06 R)
• M14: 10,358,755 km (0.089 R)
• M15: 10,990,507 km (0.118 R)
• M16: 13,330,517 km (0.092 R)
• M17: 13,700,472 km (0.043 R)
• M18: 14,306,643 km (0.076 R)
• M19: 26,353,460 km (0.06 R)
• M20: 27,171,312 km (0.035 R)
• M21: 29,978,067 km (0.12 R)
• M22: 32,838,079 km (0.088 R)
• M23: 36,159,601 km (0.118 R)
• M24: 38,792,972 km (0.076 R)
• M25: 49,188,528 km (0.028 R)
• M26: 49,716,758 km (0.11 R)
• M27: 55,398,934 km (0.11 R)
• M28: 55,589,073 km (0.117 R)
• M29: 57,126,191 km (0.037 R)
• M30: 66,947,590 km (0.116 R)
• M31: 67,596,247 km (0.108 R)
• M32: 68,686,815 km (0.119 R)
• M33: 75,243,540 km (0.082 R)
• M34: 75,476,763 km (0.058 R)
• M35: 75,710,585 km (0.073 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 19,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit