🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.2

Radius: 14.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.81 AU - 0.81 AU

Year: 494 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,249,878 km

• M1: 182,809 km (0.091 R)
• M2: 720,463 km (0.107 R)
• M3: 1,196,783 km (0.064 R)
• M4: 1,829,582 km (0.084 R)
• M5: 2,489,009 km (0.076 R)
• M6: 3,102,211 km (0.1 R)
• M7: 3,604,860 km (0.109 R)
• M8: 4,091,053 km (0.111 R)
• M9: 4,729,686 km (0.111 R)
• M10: 5,714,190 km (0.072 R)
• M11: 6,246,160 km (0.027 R)
• M12: 6,811,191 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 9.1

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.8 AU - 1.06 AU

Year: 608 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,249,878 km

• M1: 113,246 km (0.076 R)
• M2: 428,598 km (0.099 R)
• M3: 711,787 km (0.113 R)
• M4: 1,343,688 km (0.096 R)
• M5: 1,733,540 km (0.054 R)
• M6: 2,615,270 km (0.062 R)
• M7: 3,339,922 km (0.059 R)
• M8: 3,907,347 km (0.091 R)
• M9: 4,522,344 km (0.115 R)
• M10: 5,183,417 km (0.095 R)
• M11: 6,019,070 km (0.091 R)
• M12: 6,420,292 km (0.086 R)
• M13: 6,941,640 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 14.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.84 AU - 1.12 AU

Year: 658 Days

Day: 8.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,249,878 km

• M1: 179,069 km (0.046 R)
• M2: 676,482 km (0.111 R)
• M3: 1,151,904 km (0.119 R)
• M4: 1,937,292 km (0.114 R)
• M5: 2,478,238 km (0.076 R)
• M6: 2,967,124 km (0.112 R)
• M7: 3,520,786 km (0.098 R)
• M8: 5,070,620 km (0.097 R)
• M9: 5,793,477 km (0.055 R)
• M10: 6,424,481 km (0.087 R)
• M11: 7,037,682 km (0.084 R)
• M12: 7,534,198 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 11.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.47 AU - 1.61 AU

Year: 1296 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,249,878 km

• M1: 140,472 km (0.076 R)
• M2: 522,845 km (0.119 R)
• M3: 882,927 km (0.109 R)
• M4: 1,289,234 km (0.098 R)
• M5: 2,130,124 km (0.073 R)
• M6: 2,523,716 km (0.116 R)
• M7: 4,538,051 km (0.066 R)
• M8: 5,092,910 km (0.051 R)
• M9: 5,648,367 km (0.064 R)
• M10: 6,172,857 km (0.074 R)
• M11: 6,532,341 km (0.105 R)
• M12: 7,916,420 km (0.095 R)
• M13: 8,283,832 km (0.118 R)
• M14: 8,962,109 km (0.116 R)
• M15: 9,645,173 km (0.103 R)
• M16: 11,613,133 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.2

Radius: 13.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.46 AU - 2.06 AU

Year: 1584 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,249,878 km

• M1: 173,234 km (0.096 R)
• M2: 666,010 km (0.049 R)
• M3: 1,347,278 km (0.08 R)
• M4: 1,957,937 km (0.114 R)
• M5: 2,847,446 km (0.092 R)
• M6: 3,596,632 km (0.068 R)
• M7: 4,750,032 km (0.094 R)
• M8: 5,228,296 km (0.115 R)
• M9: 6,257,829 km (0.1 R)
• M10: 6,782,767 km (0.094 R)
• M11: 7,391,182 km (0.116 R)
• M12: 9,863,137 km (0.119 R)
• M13: 10,821,312 km (0.05 R)
• M14: 11,728,323 km (0.103 R)
• M15: 12,451,180 km (0.082 R)
• M16: 14,538,968 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 10.4

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.11 AU - 2.15 AU

Year: 2108 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,249,878 km

• M1: 129,402 km (0.1 R)
• M2: 468,391 km (0.072 R)
• M3: 1,349,074 km (0.096 R)
• M4: 1,817,764 km (0.068 R)
• M5: 2,566,501 km (0.088 R)
• M6: 2,890,081 km (0.057 R)
• M7: 3,495,354 km (0.077 R)
• M8: 4,230,029 km (0.079 R)
• M9: 4,959,020 km (0.112 R)
• M10: 6,559,717 km (0.081 R)
• M11: 7,014,345 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.4

Radius: 13.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.56 AU - 3.54 AU

Year: 3613 Days

Day: 10.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,249,878 km

• M1: 164,408 km (0.087 R)
• M2: 654,042 km (0.057 R)
• M3: 1,160,281 km (0.079 R)
• M4: 1,598,453 km (0.049 R)
• M5: 2,957,251 km (0.092 R)
• M6: 3,837,485 km (0.11 R)
• M7: 5,004,946 km (0.109 R)
• M8: 6,511,547 km (0.093 R)
• M9: 7,900,563 km (0.076 R)
• M10: 9,478,521 km (0.114 R)
• M11: 10,126,280 km (0.119 R)
• M12: 12,561,584 km (0.092 R)
• M13: 13,437,928 km (0.083 R)
• M14: 15,158,752 km (0.072 R)
• M15: 15,886,695 km (0.105 R)
• M16: 16,692,280 km (0.055 R)
• M17: 18,974,396 km (0.042 R)
• M18: 20,128,094 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.9

Radius: 11.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.32 AU - 4.96 AU

Year: 5713 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,249,878 km

• M1: 169,345 km (0.116 R)
• M2: 586,424 km (0.046 R)
• M3: 963,410 km (0.048 R)
• M4: 2,256,684 km (0.116 R)
• M5: 4,428,695 km (0.088 R)
• M6: 4,938,375 km (0.115 R)
• M7: 7,450,273 km (0.107 R)
• M8: 8,590,508 km (0.106 R)
• M9: 8,982,155 km (0.085 R)
• M10: 9,675,392 km (0.119 R)
• M11: 11,826,310 km (0.105 R)
• M12: 13,530,978 km (0.041 R)
• M13: 16,687,194 km (0.087 R)
• M14: 17,672,146 km (0.09 R)
• M15: 22,003,004 km (0.082 R)
• M16: 22,812,478 km (0.112 R)
• M17: 23,641,849 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.3

Radius: 6.4

Gravity: 23.76 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.94 AU - 9.6 AU

Year: 16131 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 171.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,249,878 km

• M1: 79,586 km (0.112 R)
• M2: 525,986 km (0.104 R)
• M3: 745,895 km (0.04 R)
• M4: 1,116,000 km (0.095 R)
• M5: 1,457,382 km (0.059 R)
• M6: 1,793,529 km (0.08 R)
• M7: 2,264,014 km (0.111 R)
• M8: 2,692,163 km (0.094 R)
• M9: 3,621,016 km (0.106 R)
• M10: 4,046,772 km (0.062 R)
• M11: 4,961,563 km (0.116 R)
• M12: 5,448,205 km (0.094 R)
• M13: 6,516,334 km (0.073 R)
• M14: 6,736,691 km (0.079 R)
• M15: 7,914,475 km (0.117 R)
• M16: 8,267,526 km (0.096 R)
• M17: 9,059,348 km (0.064 R)
• M18: 10,016,774 km (0.069 R)
• M19: 10,251,493 km (0.093 R)
• M20: 10,671,115 km (0.116 R)
• M21: 13,362,381 km (0.116 R)
• M22: 16,312,750 km (0.075 R)
• M23: 16,719,956 km (0.044 R)
• M24: 17,724,805 km (0.111 R)
• M25: 17,982,262 km (0.077 R)
• M26: 18,680,735 km (0.108 R)
• M27: 23,256,784 km (0.119 R)
• M28: 23,462,182 km (0.065 R)
• M29: 24,085,706 km (0.076 R)
• M30: 24,296,041 km (0.078 R)
• M31: 26,803,002 km (0.117 R)
• M32: 27,142,290 km (0.099 R)
• M33: 30,940,879 km (0.112 R)
• M34: 32,324,360 km (0.106 R)
• M35: 33,486,586 km (0.054 R)
• M36: 49,678,910 km (0.111 R)
• M37: 57,543,868 km (0.096 R)
• M38: 58,867,061 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.7

Radius: 6.4

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.28 AU - 12.04 AU

Year: 21965 Days

Day: 18.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,249,878 km

• M1: 79,885 km (0.071 R)
• M2: 399,726 km (0.115 R)
• M3: 813,962 km (0.11 R)
• M4: 1,018,313 km (0.096 R)
• M5: 1,741,020 km (0.113 R)
• M6: 2,086,442 km (0.077 R)
• M7: 2,738,389 km (0.083 R)
• M8: 3,943,549 km (0.036 R)
• M9: 7,990,022 km (0.111 R)
• M10: 15,809,802 km (0.097 R)
• M11: 17,133,743 km (0.086 R)
• M12: 17,390,004 km (0.099 R)
• M13: 17,910,156 km (0.1 R)
• M14: 18,262,609 km (0.109 R)
• M15: 18,981,576 km (0.113 R)
• M16: 24,550,507 km (0.056 R)
• M17: 24,876,331 km (0.076 R)
• M18: 28,893,333 km (0.102 R)
• M19: 29,135,083 km (0.096 R)
• M20: 30,489,093 km (0.111 R)
• M21: 32,663,498 km (0.029 R)
• M22: 41,010,012 km (0.09 R)
• M23: 41,622,466 km (0.066 R)
• M24: 44,776,288 km (0.091 R)
• M25: 47,747,900 km (0.1 R)
• M26: 48,085,992 km (0.077 R)
• M27: 57,446,480 km (0.05 R)
• M28: 60,949,912 km (0.096 R)
• M29: 63,566,828 km (0.102 R)
• M30: 66,889,397 km (0.042 R)
• M31: 70,983,142 km (0.078 R)
• M32: 71,865,770 km (0.052 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 12,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit