🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.67 AU - 0.69 AU

Year: 208 Days

Day: 33.9 Hours

Environment

Temp: 108 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.03 AU - 1.51 AU

Year: 531 Days

Day: 14.1 Hours

Environment

Temp: -21 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 106,621,774 km

• M1: 93,798 km (0.053 R)
• M2: 209,287 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.21 AU - 3.13 AU

Year: 1618 Days

Day: 14.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,621,774 km

• M1: 1,027,289 km (0.075 R)
• M2: 1,622,688 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.66 AU - 4.14 AU

Year: 2325 Days

Day: 23.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,621,774 km

• M1: 43,533 km (0.109 R)
• M2: 2,295,131 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 11.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.93 AU - 7.19 AU

Year: 5532 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 106,621,774 km

• M1: 141,819 km (0.047 R)
• M2: 596,596 km (0.078 R)
• M3: 1,004,998 km (0.083 R)
• M4: 1,360,293 km (0.12 R)
• M5: 1,801,906 km (0.119 R)
• M6: 2,401,495 km (0.106 R)
• M7: 2,836,675 km (0.111 R)
• M8: 3,506,125 km (0.104 R)
• M9: 4,231,077 km (0.05 R)
• M10: 4,819,146 km (0.112 R)
• M11: 5,377,744 km (0.105 R)
• M12: 6,219,681 km (0.115 R)
• M13: 6,624,792 km (0.05 R)
• M14: 7,875,281 km (0.12 R)
• M15: 9,560,052 km (0.081 R)
• M16: 10,618,158 km (0.113 R)
• M17: 11,705,884 km (0.098 R)
• M18: 12,520,145 km (0.117 R)
• M19: 14,639,348 km (0.11 R)
• M20: 15,190,467 km (0.091 R)
• M21: 16,334,442 km (0.088 R)
• M22: 17,047,874 km (0.067 R)
• M23: 18,536,971 km (0.102 R)
• M24: 19,576,677 km (0.111 R)
• M25: 23,673,414 km (0.074 R)
• M26: 24,433,222 km (0.115 R)
• M27: 26,892,312 km (0.115 R)
• M28: 28,055,285 km (0.053 R)
• M29: 28,563,769 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.5

Radius: 14.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.11 AU - 9.91 AU

Year: 8407 Days

Day: 14.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 106,621,774 km

• M1: 181,612 km (0.104 R)
• M2: 730,636 km (0.078 R)
• M3: 2,605,247 km (0.071 R)
• M4: 3,398,116 km (0.039 R)
• M5: 4,603,575 km (0.113 R)
• M6: 6,924,137 km (0.082 R)
• M7: 7,806,017 km (0.059 R)
• M8: 8,317,941 km (0.047 R)
• M9: 9,745,404 km (0.072 R)
• M10: 12,613,793 km (0.102 R)
• M11: 13,745,202 km (0.1 R)
• M12: 16,415,973 km (0.104 R)
• M13: 19,339,115 km (0.055 R)
• M14: 21,747,790 km (0.049 R)
• M15: 23,198,441 km (0.089 R)
• M16: 25,820,443 km (0.051 R)
• M17: 26,864,935 km (0.087 R)
• M18: 28,634,528 km (0.035 R)
• M19: 32,078,720 km (0.111 R)
• M20: 35,790,243 km (0.11 R)
• M21: 37,208,132 km (0.117 R)
• M22: 40,029,997 km (0.077 R)
• M23: 43,521,312 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 6.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 14.42 AU - 14.42 AU

Year: 20307 Days

Day: 21.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 106,621,774 km

• M1: 87,365 km (0.103 R)
• M2: 575,952 km (0.114 R)
• M3: 882,029 km (0.079 R)
• M4: 1,200,224 km (0.092 R)
• M5: 1,457,532 km (0.089 R)
• M6: 2,240,378 km (0.115 R)
• M7: 3,206,331 km (0.075 R)
• M8: 3,510,015 km (0.073 R)
• M9: 3,910,189 km (0.106 R)
• M10: 4,202,503 km (0.107 R)
• M11: 5,653,004 km (0.12 R)
• M12: 7,055,185 km (0.081 R)
• M13: 11,252,602 km (0.102 R)
• M14: 11,627,345 km (0.096 R)
• M15: 11,845,159 km (0.1 R)
• M16: 12,458,361 km (0.092 R)
• M17: 12,917,477 km (0.104 R)
• M18: 15,912,277 km (0.066 R)
• M19: 21,880,035 km (0.04 R)
• M20: 25,631,800 km (0.072 R)
• M21: 28,687,336 km (0.111 R)
• M22: 29,588,514 km (0.118 R)
• M23: 29,791,219 km (0.092 R)
• M24: 30,819,256 km (0.097 R)
• M25: 31,132,214 km (0.031 R)
• M26: 34,491,135 km (0.078 R)
• M27: 42,560,445 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447

Radius: 3.4

Gravity: 38.67 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 12.29 AU - 19.43 AU

Year: 23424 Days

Day: 22.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 106,621,774 km

• M1: 42,336 km (0.033 R)
• M2: 195,973 km (0.108 R)
• M3: 315,203 km (0.082 R)
• M4: 421,716 km (0.033 R)
• M5: 1,345,334 km (0.098 R)
• M6: 3,724,538 km (0.043 R)
• M7: 5,318,354 km (0.094 R)
• M8: 13,120,631 km (0.106 R)
• M9: 31,208,360 km (0.078 R)
• M10: 32,213,657 km (0.086 R)
• M11: 35,089,078 km (0.07 R)
• M12: 36,038,725 km (0.095 R)
• M13: 38,559,001 km (0.107 R)
• M14: 42,402,918 km (0.073 R)
• M15: 47,804,598 km (0.114 R)
• M16: 52,231,648 km (0.032 R)
• M17: 61,107,888 km (0.096 R)
• M18: 68,808,588 km (0.118 R)
• M19: 69,019,670 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.3

Radius: 4.5

Gravity: 48.61 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 16.84 AU - 22.28 AU

Year: 32082 Days

Day: 19.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 106,621,774 km

• M1: 55,950 km (0.066 R)
• M2: 208,240 km (0.039 R)
• M3: 537,655 km (0.108 R)
• M4: 730,486 km (0.104 R)
• M5: 941,419 km (0.079 R)
• M6: 1,291,179 km (0.097 R)
• M7: 2,005,958 km (0.111 R)
• M8: 2,195,349 km (0.11 R)
• M9: 2,345,096 km (0.067 R)
• M10: 3,593,490 km (0.117 R)
• M11: 4,437,671 km (0.07 R)
• M12: 7,926,294 km (0.08 R)
• M13: 11,206,676 km (0.066 R)
• M14: 15,473,057 km (0.088 R)
• M15: 20,269,165 km (0.117 R)
• M16: 23,239,580 km (0.078 R)
• M17: 25,078,587 km (0.095 R)
• M18: 27,544,558 km (0.078 R)
• M19: 32,651,231 km (0.112 R)
• M20: 33,103,166 km (0.11 R)
• M21: 33,254,709 km (0.092 R)
• M22: 33,712,329 km (0.083 R)
• M23: 35,743,718 km (0.114 R)
• M24: 36,708,176 km (0.111 R)
• M25: 38,857,149 km (0.112 R)
• M26: 39,025,896 km (0.095 R)
• M27: 41,969,084 km (0.08 R)
• M28: 45,243,034 km (0.112 R)
• M29: 47,325,286 km (0.119 R)
• M30: 51,273,473 km (0.103 R)
• M31: 52,088,632 km (0.063 R)
• M32: 55,222,259 km (0.092 R)
• M33: 60,720,429 km (0.088 R)
• M34: 66,813,700 km (0.119 R)
• M35: 69,261,869 km (0.096 R)
• M36: 72,277,613 km (0.079 R)
• M37: 75,905,361 km (0.048 R)
• M38: 76,698,230 km (0.065 R)
• M39: 82,960,995 km (0.109 R)
• M40: 88,969,145 km (0.085 R)
• M41: 91,630,491 km (0.07 R)
• M42: 92,830,116 km (0.119 R)
• M43: 103,452,912 km (0.111 R)
• M44: 105,735,925 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.7

Radius: 5.6

Gravity: 23.11 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 15.02 AU - 24.24 AU

Year: 32254 Days

Day: 15.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 106,621,774 km

• M1: 69,713 km (0.047 R)
• M2: 320,289 km (0.06 R)
• M3: 498,011 km (0.041 R)
• M4: 2,861,059 km (0.108 R)
• M5: 3,305,814 km (0.099 R)
• M6: 3,528,565 km (0.113 R)
• M7: 3,761,190 km (0.082 R)
• M8: 4,147,751 km (0.12 R)
• M9: 4,677,327 km (0.097 R)
• M10: 4,877,040 km (0.115 R)
• M11: 5,423,222 km (0.028 R)
• M12: 9,022,996 km (0.093 R)
• M13: 13,873,856 km (0.106 R)
• M14: 15,138,257 km (0.042 R)
• M15: 20,432,077 km (0.03 R)
• M16: 21,183,507 km (0.108 R)
• M17: 26,333,863 km (0.076 R)
• M18: 34,467,798 km (0.113 R)
• M19: 40,506,615 km (0.094 R)
• M20: 77,229,452 km (0.114 R)
• M21: 78,005,416 km (0.108 R)
• M22: 85,223,813 km (0.1 R)
• M23: 94,930,620 km (0.05 R)
• M24: 95,523,476 km (0.09 R)
• M25: 106,621,843 km (0.058 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 12,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit