🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.62 AU - 0.78 AU

Year: 216 Days

Day: 23.6 Hours

Environment

Temp: 181 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.03 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.17 AU - 1.53 AU

Year: 579 Days

Day: 16.6 Hours

Environment

Temp: -25 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.91 AU - 1.97 AU

Year: 997 Days

Day: 43.4 Hours

Environment

Temp: -67 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 10.6

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.36 AU - 10.04 AU

Year: 11146 Days

Day: 13.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 103,939,223 km

• M1: 131,796 km (0.095 R)
• M2: 556,205 km (0.113 R)
• M3: 1,069,176 km (0.086 R)
• M4: 1,884,933 km (0.105 R)
• M5: 2,607,192 km (0.098 R)
• M6: 3,976,012 km (0.064 R)
• M7: 4,596,843 km (0.071 R)
• M8: 5,133,301 km (0.064 R)
• M9: 5,679,483 km (0.083 R)
• M10: 6,032,085 km (0.118 R)
• M11: 6,924,287 km (0.111 R)
• M12: 7,327,453 km (0.117 R)
• M13: 9,142,225 km (0.086 R)
• M14: 9,854,461 km (0.058 R)
• M15: 11,745,527 km (0.088 R)
• M16: 12,319,983 km (0.109 R)
• M17: 12,968,041 km (0.092 R)
• M18: 13,695,535 km (0.086 R)
• M19: 15,602,160 km (0.076 R)
• M20: 16,168,837 km (0.11 R)
• M21: 24,082,415 km (0.033 R)
• M22: 28,677,912 km (0.105 R)
• M23: 32,997,251 km (0.089 R)
• M24: 34,457,626 km (0.099 R)
• M25: 35,203,820 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.1

Radius: 13.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.7 AU - 10.58 AU

Year: 11913 Days

Day: 9.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 103,939,223 km

• M1: 162,912 km (0.031 R)
• M2: 3,193,466 km (0.096 R)
• M3: 4,709,341 km (0.033 R)
• M4: 5,700,128 km (0.057 R)
• M5: 6,866,393 km (0.038 R)
• M6: 11,149,380 km (0.109 R)
• M7: 13,158,928 km (0.103 R)
• M8: 17,884,425 km (0.107 R)
• M9: 20,800,088 km (0.112 R)
• M10: 25,096,090 km (0.1 R)
• M11: 27,982,282 km (0.045 R)
• M12: 35,773,638 km (0.027 R)
• M13: 52,640,648 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.6

Radius: 5.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 12.7 AU - 17.8 AU

Year: 21973 Days

Day: 18 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 103,939,223 km

• M1: 75,248 km (0.11 R)
• M2: 306,227 km (0.083 R)
• M3: 567,724 km (0.116 R)
• M4: 848,220 km (0.065 R)
• M5: 1,602,343 km (0.04 R)
• M6: 1,799,214 km (0.09 R)
• M7: 2,029,146 km (0.117 R)
• M8: 2,489,009 km (0.11 R)
• M9: 3,588,703 km (0.073 R)
• M10: 4,520,848 km (0.101 R)
• M11: 5,468,999 km (0.093 R)
• M12: 6,851,882 km (0.084 R)
• M13: 7,251,308 km (0.087 R)
• M14: 8,184,799 km (0.068 R)
• M15: 8,452,728 km (0.093 R)
• M16: 8,726,493 km (0.117 R)
• M17: 10,133,909 km (0.073 R)
• M18: 10,918,251 km (0.11 R)
• M19: 13,451,990 km (0.088 R)
• M20: 13,637,791 km (0.067 R)
• M21: 18,248,846 km (0.062 R)
• M22: 20,449,730 km (0.047 R)
• M23: 21,698,722 km (0.096 R)
• M24: 25,749,683 km (0.057 R)
• M25: 29,854,798 km (0.087 R)
• M26: 30,918,439 km (0.101 R)
• M27: 31,568,591 km (0.054 R)
• M28: 33,801,639 km (0.102 R)
• M29: 36,018,380 km (0.062 R)
• M30: 36,980,145 km (0.114 R)
• M31: 42,046,726 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.9

Radius: 5.4

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 14.51 AU - 16.89 AU

Year: 22952 Days

Day: 16.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 103,939,223 km

• M1: 87,814 km (0.117 R)
• M2: 350,209 km (0.03 R)
• M3: 521,648 km (0.112 R)
• M4: 1,229,545 km (0.104 R)
• M5: 1,642,884 km (0.028 R)
• M6: 1,985,912 km (0.1 R)
• M7: 2,397,306 km (0.098 R)
• M8: 3,278,587 km (0.096 R)
• M9: 3,882,813 km (0.111 R)
• M10: 6,695,701 km (0.049 R)
• M11: 7,424,842 km (0.042 R)
• M12: 8,512,119 km (0.076 R)
• M13: 10,335,717 km (0.116 R)
• M14: 11,623,007 km (0.074 R)
• M15: 12,074,942 km (0.097 R)
• M16: 13,784,696 km (0.052 R)
• M17: 14,585,643 km (0.115 R)
• M18: 25,541,742 km (0.109 R)
• M19: 26,415,094 km (0.109 R)
• M20: 32,077,224 km (0.109 R)
• M21: 42,611,757 km (0.081 R)
• M22: 45,883,013 km (0.077 R)
• M23: 55,055,457 km (0.114 R)
• M24: 59,117,937 km (0.108 R)
• M25: 63,177,874 km (0.114 R)
• M26: 67,213,575 km (0.077 R)
• M27: 67,833,359 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.9

Radius: 6.2

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 12.47 AU - 19.75 AU

Year: 23857 Days

Day: 21.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 103,939,223 km

• M1: 80,184 km (0.06 R)
• M2: 316,250 km (0.078 R)
• M3: 723,904 km (0.104 R)
• M4: 1,197,381 km (0.109 R)
• M5: 1,425,668 km (0.103 R)
• M6: 1,734,438 km (0.058 R)
• M7: 2,009,249 km (0.081 R)
• M8: 2,554,384 km (0.036 R)
• M9: 3,011,704 km (0.078 R)
• M10: 3,327,805 km (0.055 R)
• M11: 4,783,542 km (0.039 R)
• M12: 5,554,270 km (0.108 R)
• M13: 8,774,663 km (0.083 R)
• M14: 10,926,180 km (0.109 R)
• M15: 12,652,988 km (0.077 R)
• M16: 13,546,087 km (0.101 R)
• M17: 14,116,055 km (0.104 R)
• M18: 15,610,987 km (0.103 R)
• M19: 15,922,150 km (0.044 R)
• M20: 16,718,310 km (0.077 R)
• M21: 18,132,010 km (0.11 R)
• M22: 18,912,013 km (0.102 R)
• M23: 21,006,234 km (0.076 R)
• M24: 21,290,320 km (0.096 R)
• M25: 25,008,276 km (0.104 R)
• M26: 25,220,705 km (0.053 R)
• M27: 29,609,009 km (0.117 R)
• M28: 31,671,365 km (0.106 R)
• M29: 42,823,438 km (0.087 R)
• M30: 45,772,311 km (0.104 R)
• M31: 46,409,897 km (0.112 R)
• M32: 52,417,149 km (0.088 R)
• M33: 55,066,079 km (0.107 R)
• M34: 55,425,861 km (0.101 R)
• M35: 56,150,214 km (0.108 R)
• M36: 59,487,743 km (0.07 R)
• M37: 62,173,324 km (0.116 R)
• M38: 64,738,329 km (0.089 R)
• M39: 65,139,102 km (0.066 R)
• M40: 66,963,148 km (0.104 R)
• M41: 69,657,705 km (0.093 R)
• M42: 70,501,138 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.5

Radius: 5.1

Gravity: 27.74 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 16.1 AU - 22.36 AU

Year: 31113 Days

Day: 24.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 103,939,223 km

• M1: 63,429 km (0.105 R)
• M2: 225,594 km (0.1 R)
• M3: 457,769 km (0.111 R)
• M4: 639,381 km (0.087 R)
• M5: 907,012 km (0.11 R)
• M6: 2,596,869 km (0.045 R)
• M7: 3,188,080 km (0.097 R)
• M8: 3,403,800 km (0.12 R)
• M9: 3,796,345 km (0.091 R)
• M10: 5,454,039 km (0.037 R)
• M11: 6,037,620 km (0.099 R)
• M12: 7,595,682 km (0.082 R)
• M13: 8,613,696 km (0.089 R)
• M14: 10,042,954 km (0.05 R)
• M15: 10,373,416 km (0.048 R)
• M16: 11,551,200 km (0.043 R)
• M17: 13,520,955 km (0.09 R)
• M18: 15,094,575 km (0.11 R)
• M19: 18,305,693 km (0.055 R)
• M20: 18,798,618 km (0.097 R)
• M21: 19,199,391 km (0.066 R)
• M22: 22,388,668 km (0.058 R)
• M23: 24,462,244 km (0.118 R)
• M24: 26,410,008 km (0.071 R)
• M25: 27,166,375 km (0.09 R)
• M26: 33,159,565 km (0.095 R)
• M27: 50,312,008 km (0.056 R)
• M28: 57,757,344 km (0.063 R)
• M29: 59,888,665 km (0.108 R)
• M30: 61,411,422 km (0.082 R)
• M31: 66,134,227 km (0.079 R)
• M32: 74,284,468 km (0.049 R)
• M33: 74,533,848 km (0.105 R)
• M34: 79,377,977 km (0.086 R)
• M35: 84,427,802 km (0.112 R)
• M36: 86,892,876 km (0.091 R)
• M37: 89,970,403 km (0.099 R)
• M38: 102,697,741 km (0.037 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 13,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit