🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 14.6

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,082,595 km

• M1: 187,446 km (0.09 R)
• M2: 814,710 km (0.07 R)
• M3: 1,298,061 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.6

Radius: 11.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.49 AU - 0.73 AU

Year: 329 Days

Day: 8.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 66.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,082,595 km

• M1: 141,968 km (0.038 R)
• M2: 664,514 km (0.102 R)
• M3: 1,501,963 km (0.054 R)
• M4: 1,961,677 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 14.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.67 AU - 1.07 AU

Year: 560 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,082,595 km

• M1: 186,100 km (0.099 R)
• M2: 986,299 km (0.112 R)
• M3: 1,562,251 km (0.092 R)
• M4: 2,427,973 km (0.108 R)
• M5: 3,428,634 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 14.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.83 AU - 1.11 AU

Year: 659 Days

Day: 14.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,082,595 km

• M1: 184,604 km (0.099 R)
• M2: 648,208 km (0.077 R)
• M3: 1,199,925 km (0.096 R)
• M4: 1,726,210 km (0.099 R)
• M5: 2,208,364 km (0.107 R)
• M6: 2,684,833 km (0.098 R)
• M7: 3,194,363 km (0.081 R)
• M8: 3,989,476 km (0.072 R)
• M9: 4,533,863 km (0.12 R)
• M10: 5,044,590 km (0.093 R)
• M11: 5,576,111 km (0.116 R)
• M12: 6,473,249 km (0.094 R)
• M13: 7,144,495 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 13.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.9 AU - 1.48 AU

Year: 896 Days

Day: 10 Hours

Environment

Temp: -190 °C

Axial Tilt: 102.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,082,595 km

• M1: 170,392 km (0.114 R)
• M2: 644,767 km (0.102 R)
• M3: 1,278,613 km (0.057 R)
• M4: 1,884,634 km (0.084 R)
• M5: 2,577,123 km (0.101 R)
• M6: 3,253,903 km (0.026 R)
• M7: 3,992,169 km (0.087 R)
• M8: 5,306,984 km (0.077 R)
• M9: 5,733,787 km (0.092 R)
• M10: 6,599,211 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 11.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.91 AU - 4.47 AU

Year: 5920 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,082,595 km

• M1: 146,756 km (0.047 R)
• M2: 525,537 km (0.079 R)
• M3: 929,152 km (0.101 R)
• M4: 1,350,121 km (0.075 R)
• M5: 1,886,878 km (0.059 R)
• M6: 4,801,942 km (0.104 R)
• M7: 5,173,394 km (0.077 R)
• M8: 6,065,296 km (0.105 R)
• M9: 12,469,581 km (0.03 R)
• M10: 13,486,098 km (0.103 R)
• M11: 17,050,567 km (0.11 R)
• M12: 18,174,346 km (0.029 R)
• M13: 22,942,629 km (0.118 R)
• M14: 23,620,457 km (0.071 R)
• M15: 24,937,217 km (0.085 R)
• M16: 27,547,550 km (0.106 R)
• M17: 28,744,932 km (0.085 R)
• M18: 29,444,601 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.8

Radius: 5.7

Gravity: 30.62 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.6 AU - 5.66 AU

Year: 9221 Days

Day: 20.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,082,595 km

• M1: 73,453 km (0.082 R)
• M2: 380,427 km (0.103 R)
• M3: 648,058 km (0.101 R)
• M4: 826,079 km (0.112 R)
• M5: 1,015,770 km (0.11 R)
• M6: 1,310,477 km (0.079 R)
• M7: 1,850,077 km (0.062 R)
• M8: 2,348,986 km (0.069 R)
• M9: 2,933,465 km (0.109 R)
• M10: 3,382,258 km (0.108 R)
• M11: 6,075,618 km (0.06 R)
• M12: 6,803,113 km (0.095 R)
• M13: 7,167,234 km (0.097 R)
• M14: 7,459,399 km (0.085 R)
• M15: 8,383,764 km (0.095 R)
• M16: 8,568,218 km (0.036 R)
• M17: 10,617,709 km (0.118 R)
• M18: 11,274,444 km (0.069 R)
• M19: 11,726,977 km (0.029 R)
• M20: 12,850,457 km (0.113 R)
• M21: 14,767,703 km (0.076 R)
• M22: 18,065,140 km (0.102 R)
• M23: 21,735,374 km (0.09 R)
• M24: 22,791,984 km (0.057 R)
• M25: 25,486,092 km (0.09 R)
• M26: 26,660,435 km (0.042 R)
• M27: 30,399,335 km (0.051 R)
• M28: 40,189,318 km (0.085 R)
• M29: 43,133,554 km (0.086 R)
• M30: 43,960,681 km (0.115 R)
• M31: 44,658,106 km (0.11 R)
• M32: 47,375,551 km (0.038 R)
• M33: 47,814,471 km (0.072 R)
• M34: 50,657,429 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.8

Radius: 7.5

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.22 AU - 9.28 AU

Year: 16357 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,082,595 km

• M1: 93,349 km (0.12 R)
• M2: 562,638 km (0.102 R)
• M3: 835,205 km (0.115 R)
• M4: 1,660,686 km (0.116 R)
• M5: 1,906,774 km (0.117 R)
• M6: 2,518,181 km (0.085 R)
• M7: 3,416,666 km (0.093 R)
• M8: 3,671,431 km (0.115 R)
• M9: 4,446,797 km (0.073 R)
• M10: 4,820,791 km (0.09 R)
• M11: 6,234,641 km (0.087 R)
• M12: 9,083,284 km (0.082 R)
• M13: 10,256,879 km (0.094 R)
• M14: 12,235,011 km (0.081 R)
• M15: 13,244,498 km (0.084 R)
• M16: 13,592,911 km (0.082 R)
• M17: 14,019,265 km (0.045 R)
• M18: 14,675,402 km (0.1 R)
• M19: 14,973,400 km (0.048 R)
• M20: 15,736,350 km (0.049 R)
• M21: 20,773,759 km (0.067 R)
• M22: 21,722,209 km (0.099 R)
• M23: 23,910,078 km (0.12 R)
• M24: 27,348,585 km (0.083 R)
• M25: 30,737,127 km (0.12 R)
• M26: 39,903,736 km (0.034 R)
• M27: 40,924,442 km (0.04 R)
• M28: 41,515,503 km (0.115 R)
• M29: 42,563,437 km (0.078 R)
• M30: 43,322,646 km (0.103 R)
• M31: 45,496,752 km (0.085 R)
• M32: 50,906,959 km (0.088 R)
• M33: 53,854,485 km (0.118 R)
• M34: 56,913,762 km (0.111 R)
• M35: 58,579,385 km (0.094 R)
• M36: 62,983,247 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.4

Radius: 4.4

Gravity: 37.21 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.2 AU - 11.62 AU

Year: 19925 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,082,595 km

• M1: 83,476 km (0.075 R)
• M2: 236,215 km (0.114 R)
• M3: 583,731 km (0.114 R)
• M4: 1,259,913 km (0.118 R)
• M5: 1,506,301 km (0.113 R)
• M6: 2,116,511 km (0.075 R)
• M7: 2,419,895 km (0.043 R)
• M8: 2,980,438 km (0.077 R)
• M9: 3,390,037 km (0.104 R)
• M10: 4,025,230 km (0.081 R)
• M11: 4,354,046 km (0.103 R)
• M12: 5,216,478 km (0.102 R)
• M13: 6,989,811 km (0.082 R)
• M14: 7,224,530 km (0.06 R)
• M15: 8,216,813 km (0.089 R)
• M16: 10,651,368 km (0.07 R)
• M17: 11,088,493 km (0.04 R)
• M18: 11,998,497 km (0.059 R)
• M19: 14,338,507 km (0.038 R)
• M20: 14,565,148 km (0.109 R)
• M21: 17,389,855 km (0.096 R)
• M22: 19,524,766 km (0.052 R)
• M23: 21,041,240 km (0.108 R)
• M24: 22,027,987 km (0.071 R)
• M25: 24,845,364 km (0.086 R)
• M26: 29,568,618 km (0.058 R)
• M27: 29,813,210 km (0.098 R)
• M28: 37,080,375 km (0.095 R)
• M29: 44,635,965 km (0.115 R)
• M30: 49,284,271 km (0.077 R)
• M31: 53,880,216 km (0.085 R)
• M32: 62,494,959 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.8

Radius: 3

Gravity: 65.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.22 AU - 11.6 AU

Year: 19925 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,082,595 km

• M1: 38,447 km (0.108 R)
• M2: 206,744 km (0.08 R)
• M3: 410,347 km (0.057 R)
• M4: 555,307 km (0.113 R)
• M5: 1,519,316 km (0.076 R)
• M6: 1,618,799 km (0.088 R)
• M7: 2,510,551 km (0.084 R)
• M8: 3,073,638 km (0.036 R)
• M9: 4,213,125 km (0.069 R)
• M10: 5,375,051 km (0.112 R)
• M11: 6,049,738 km (0.118 R)
• M12: 6,690,316 km (0.097 R)
• M13: 7,141,802 km (0.102 R)
• M14: 7,422,149 km (0.08 R)
• M15: 7,905,799 km (0.057 R)
• M16: 9,151,500 km (0.072 R)
• M17: 10,462,426 km (0.091 R)
• M18: 12,287,221 km (0.089 R)
• M19: 14,984,920 km (0.06 R)
• M20: 17,042,040 km (0.096 R)
• M21: 19,279,874 km (0.106 R)
• M22: 21,416,132 km (0.053 R)
• M23: 21,900,530 km (0.112 R)
• M24: 23,397,406 km (0.111 R)
• M25: 25,714,378 km (0.06 R)
• M26: 26,704,566 km (0.026 R)
• M27: 30,068,125 km (0.117 R)
• M28: 31,043,353 km (0.106 R)
• M29: 33,573,203 km (0.073 R)
• M30: 34,622,482 km (0.069 R)
• M31: 38,609,415 km (0.055 R)
• M32: 42,434,483 km (0.099 R)
• M33: 43,044,543 km (0.079 R)
• M34: 46,343,326 km (0.087 R)
• M35: 46,666,009 km (0.084 R)
• M36: 51,861,094 km (0.109 R)
• M37: 55,955,438 km (0.054 R)
• M38: 58,174,573 km (0.092 R)
• M39: 59,876,997 km (0.086 R)
• M40: 61,223,826 km (0.114 R)
• M41: 63,977,773 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 16,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit