🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935

Radius: 11.8

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.54 AU - 0.82 AU

Year: 374 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,988,671 km

• M1: 146,756 km (0.068 R)
• M2: 529,128 km (0.078 R)
• M3: 1,019,958 km (0.064 R)
• M4: 1,954,047 km (0.05 R)
• M5: 2,338,364 km (0.06 R)
• M6: 2,814,834 km (0.11 R)
• M7: 4,677,028 km (0.089 R)
• M8: 5,521,508 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.7

Radius: 13.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.63 AU - 0.75 AU

Year: 382 Days

Day: 8.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,988,671 km

• M1: 170,392 km (0.089 R)
• M2: 882,927 km (0.106 R)
• M3: 1,325,587 km (0.109 R)
• M4: 1,818,661 km (0.102 R)
• M5: 2,248,905 km (0.112 R)
• M6: 2,757,388 km (0.095 R)
• M7: 3,447,932 km (0.101 R)
• M8: 4,093,447 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 10.1

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.6 AU - 0.8 AU

Year: 391 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 94.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,988,671 km

• M1: 126,111 km (0.08 R)
• M2: 466,147 km (0.058 R)
• M3: 837,598 km (0.077 R)
• M4: 1,216,231 km (0.076 R)
• M5: 1,643,931 km (0.11 R)
• M6: 2,455,799 km (0.092 R)
• M7: 2,968,919 km (0.081 R)
• M8: 3,417,713 km (0.104 R)
• M9: 3,741,742 km (0.095 R)
• M10: 4,408,799 km (0.113 R)
• M11: 5,683,373 km (0.097 R)
• M12: 6,050,635 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 13

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.79 AU - 1.03 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,988,671 km

• M1: 161,715 km (0.114 R)
• M2: 619,186 km (0.035 R)
• M3: 1,428,211 km (0.082 R)
• M4: 1,873,564 km (0.094 R)
• M5: 2,402,392 km (0.097 R)
• M6: 2,959,495 km (0.11 R)
• M7: 3,548,312 km (0.074 R)
• M8: 4,305,128 km (0.1 R)
• M9: 5,342,290 km (0.086 R)
• M10: 5,835,065 km (0.033 R)
• M11: 6,358,209 km (0.097 R)
• M12: 6,765,713 km (0.048 R)
• M13: 7,299,778 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.6

Radius: 12.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.31 AU - 1.59 AU

Year: 1164 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,988,671 km

• M1: 160,369 km (0.107 R)
• M2: 573,708 km (0.117 R)
• M3: 1,018,163 km (0.113 R)
• M4: 1,542,803 km (0.065 R)
• M5: 2,151,965 km (0.098 R)
• M6: 2,866,744 km (0.037 R)
• M7: 4,115,288 km (0.117 R)
• M8: 4,663,265 km (0.051 R)
• M9: 5,927,367 km (0.038 R)
• M10: 6,952,112 km (0.081 R)
• M11: 9,095,251 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.5

Radius: 8.6

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.32 AU - 1.94 AU

Year: 1388 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,988,671 km

• M1: 107,561 km (0.117 R)
• M2: 378,034 km (0.106 R)
• M3: 688,449 km (0.074 R)
• M4: 1,073,365 km (0.08 R)
• M5: 1,367,175 km (0.085 R)
• M6: 1,678,937 km (0.111 R)
• M7: 2,242,322 km (0.107 R)
• M8: 2,873,177 km (0.052 R)
• M9: 3,145,445 km (0.102 R)
• M10: 3,510,314 km (0.112 R)
• M11: 3,887,001 km (0.098 R)
• M12: 4,307,970 km (0.114 R)
• M13: 5,321,196 km (0.119 R)
• M14: 7,054,437 km (0.118 R)
• M15: 7,837,881 km (0.109 R)
• M16: 8,455,720 km (0.116 R)
• M17: 9,047,829 km (0.098 R)
• M18: 9,607,175 km (0.118 R)
• M19: 9,910,560 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.1

Radius: 14.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.84 AU - 2 AU

Year: 1774 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,988,671 km

• M1: 185,352 km (0.064 R)
• M2: 709,842 km (0.099 R)
• M3: 1,577,659 km (0.088 R)
• M4: 2,396,259 km (0.107 R)
• M5: 2,886,042 km (0.097 R)
• M6: 5,272,876 km (0.115 R)
• M7: 6,653,664 km (0.108 R)
• M8: 8,472,625 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.8

Radius: 9.9

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.06 AU - 4.24 AU

Year: 5638 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,988,671 km

• M1: 123,119 km (0.105 R)
• M2: 763,398 km (0.102 R)
• M3: 1,106,725 km (0.111 R)
• M4: 1,456,186 km (0.087 R)
• M5: 1,909,168 km (0.067 R)
• M6: 2,317,570 km (0.061 R)
• M7: 3,645,999 km (0.1 R)
• M8: 4,228,085 km (0.11 R)
• M9: 4,622,425 km (0.092 R)
• M10: 6,283,859 km (0.047 R)
• M11: 8,150,541 km (0.094 R)
• M12: 10,266,902 km (0.098 R)
• M13: 11,327,102 km (0.093 R)
• M14: 11,730,268 km (0.066 R)
• M15: 13,834,213 km (0.065 R)
• M16: 15,553,691 km (0.075 R)
• M17: 24,278,388 km (0.062 R)
• M18: 25,891,951 km (0.113 R)
• M19: 27,036,374 km (0.101 R)
• M20: 28,583,516 km (0.115 R)
• M21: 29,520,597 km (0.114 R)
• M22: 31,357,509 km (0.072 R)
• M23: 32,052,989 km (0.112 R)
• M24: 34,621,286 km (0.085 R)
• M25: 35,257,525 km (0.067 R)
• M26: 36,117,863 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967

Radius: 3.6

Gravity: 74.61 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.12 AU - 7.18 AU

Year: 10170 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,988,671 km

• M1: 44,879 km (0.106 R)
• M2: 164,109 km (0.072 R)
• M3: 356,342 km (0.085 R)
• M4: 486,043 km (0.053 R)
• M5: 1,102,387 km (0.049 R)
• M6: 1,511,836 km (0.086 R)
• M7: 1,759,271 km (0.087 R)
• M8: 2,434,855 km (0.102 R)
• M9: 2,665,236 km (0.049 R)
• M10: 3,444,641 km (0.084 R)
• M11: 4,548,224 km (0.056 R)
• M12: 6,167,172 km (0.083 R)
• M13: 8,272,164 km (0.102 R)
• M14: 8,648,253 km (0.045 R)
• M15: 9,741,065 km (0.113 R)
• M16: 10,160,388 km (0.108 R)
• M17: 10,591,529 km (0.113 R)
• M18: 13,183,312 km (0.105 R)
• M19: 14,897,854 km (0.094 R)
• M20: 18,443,173 km (0.058 R)
• M21: 19,003,118 km (0.114 R)
• M22: 22,241,763 km (0.069 R)
• M23: 25,533,365 km (0.084 R)
• M24: 29,894,143 km (0.108 R)
• M25: 31,451,157 km (0.114 R)
• M26: 38,608,368 km (0.072 R)
• M27: 39,260,465 km (0.087 R)
• M28: 40,319,169 km (0.092 R)
• M29: 41,396,573 km (0.072 R)
• M30: 44,744,125 km (0.119 R)
• M31: 45,319,029 km (0.057 R)
• M32: 46,777,758 km (0.111 R)
• M33: 51,971,497 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.5

Radius: 6

Gravity: 20.13 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.32 AU - 11.6 AU

Year: 20961 Days

Day: 23.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,988,671 km

• M1: 92,751 km (0.108 R)
• M2: 383,868 km (0.039 R)
• M3: 713,881 km (0.058 R)
• M4: 1,293,573 km (0.108 R)
• M5: 1,511,836 km (0.079 R)
• M6: 1,847,683 km (0.11 R)
• M7: 2,105,440 km (0.05 R)
• M8: 2,742,578 km (0.093 R)
• M9: 4,122,469 km (0.091 R)
• M10: 6,123,041 km (0.043 R)
• M11: 6,652,617 km (0.087 R)
• M12: 7,022,274 km (0.039 R)
• M13: 8,967,794 km (0.091 R)
• M14: 9,944,518 km (0.066 R)
• M15: 13,810,277 km (0.103 R)
• M16: 15,187,924 km (0.068 R)
• M17: 18,124,530 km (0.048 R)
• M18: 22,841,351 km (0.108 R)
• M19: 29,902,370 km (0.095 R)
• M20: 32,195,855 km (0.085 R)
• M21: 32,589,148 km (0.055 R)
• M22: 35,711,854 km (0.088 R)
• M23: 40,076,821 km (0.068 R)
• M24: 43,017,915 km (0.077 R)
• M25: 48,978,792 km (0.098 R)
• M26: 51,796,168 km (0.047 R)
• M27: 60,893,065 km (0.115 R)
• M28: 63,528,232 km (0.058 R)
• M29: 68,159,034 km (0.08 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 16,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit