🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 12.2

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.53 AU - 0.59 AU

Year: 289 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,015,683 km

• M1: 151,842 km (0.102 R)
• M2: 546,631 km (0.054 R)
• M3: 931,396 km (0.096 R)
• M4: 1,588,430 km (0.083 R)
• M5: 2,196,246 km (0.109 R)
• M6: 2,974,903 km (0.083 R)
• M7: 4,260,547 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 14.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.69 AU - 0.81 AU

Year: 448 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,015,683 km

• M1: 185,352 km (0.084 R)
• M2: 705,952 km (0.078 R)
• M3: 1,655,600 km (0.041 R)
• M4: 2,185,774 km (0.087 R)
• M5: 3,203,489 km (0.05 R)
• M6: 3,792,456 km (0.106 R)
• M7: 4,505,439 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 14.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.93 AU - 1.19 AU

Year: 753 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,015,683 km

• M1: 176,525 km (0.04 R)
• M2: 955,482 km (0.114 R)
• M3: 1,538,614 km (0.07 R)
• M4: 2,606,743 km (0.114 R)
• M5: 3,309,703 km (0.111 R)
• M6: 4,291,664 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 8.4

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.24 AU - 1.56 AU

Year: 1143 Days

Day: 13.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,015,683 km

• M1: 105,167 km (0.109 R)
• M2: 377,136 km (0.117 R)
• M3: 644,916 km (0.079 R)
• M4: 977,024 km (0.046 R)
• M5: 1,327,232 km (0.026 R)
• M6: 1,741,469 km (0.096 R)
• M7: 2,262,817 km (0.031 R)
• M8: 3,309,254 km (0.111 R)
• M9: 3,631,040 km (0.076 R)
• M10: 4,092,699 km (0.077 R)
• M11: 5,173,394 km (0.053 R)
• M12: 5,672,302 km (0.081 R)
• M13: 5,977,931 km (0.029 R)
• M14: 6,551,190 km (0.07 R)
• M15: 7,860,321 km (0.068 R)
• M16: 8,520,048 km (0.106 R)
• M17: 8,834,652 km (0.102 R)
• M18: 9,335,805 km (0.104 R)
• M19: 9,887,073 km (0.075 R)
• M20: 10,362,944 km (0.089 R)
• M21: 11,498,092 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.9

Radius: 12.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.35 AU - 1.59 AU

Year: 1230 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,015,683 km

• M1: 155,432 km (0.074 R)
• M2: 609,312 km (0.095 R)
• M3: 1,013,077 km (0.106 R)
• M4: 1,916,798 km (0.102 R)
• M5: 2,355,418 km (0.077 R)
• M6: 3,727,231 km (0.042 R)
• M7: 4,254,563 km (0.093 R)
• M8: 4,760,653 km (0.038 R)
• M9: 5,306,984 km (0.03 R)
• M10: 6,058,714 km (0.106 R)
• M11: 6,503,917 km (0.092 R)
• M12: 7,677,213 km (0.105 R)
• M13: 8,639,576 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.81 AU - 2.03 AU

Year: 1836 Days

Day: 13.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,015,683 km

• M1: 167,998 km (0.087 R)
• M2: 688,300 km (0.119 R)
• M3: 1,178,682 km (0.108 R)
• M4: 1,897,200 km (0.103 R)
• M5: 2,865,398 km (0.096 R)
• M6: 3,291,452 km (0.049 R)
• M7: 3,938,164 km (0.113 R)
• M8: 4,547,476 km (0.091 R)
• M9: 5,860,197 km (0.029 R)
• M10: 6,400,395 km (0.11 R)
• M11: 7,552,897 km (0.103 R)
• M12: 11,920,856 km (0.105 R)
• M13: 12,872,298 km (0.117 R)
• M14: 13,873,707 km (0.057 R)
• M15: 15,106,842 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 9.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.84 AU - 4.18 AU

Year: 4539 Days

Day: 13.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,015,683 km

• M1: 115,639 km (0.048 R)
• M2: 467,942 km (0.081 R)
• M3: 1,059,901 km (0.095 R)
• M4: 1,384,827 km (0.115 R)
• M5: 1,788,592 km (0.087 R)
• M6: 2,382,047 km (0.047 R)
• M7: 3,204,985 km (0.116 R)
• M8: 3,568,208 km (0.092 R)
• M9: 4,164,506 km (0.049 R)
• M10: 5,581,048 km (0.054 R)
• M11: 7,511,459 km (0.117 R)
• M12: 8,490,577 km (0.119 R)
• M13: 9,333,262 km (0.08 R)
• M14: 10,860,357 km (0.048 R)
• M15: 12,153,331 km (0.092 R)
• M16: 13,922,326 km (0.05 R)
• M17: 14,353,766 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.6

Radius: 6.1

Gravity: 21.38 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.58 AU - 11.24 AU

Year: 19925 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 34,015,683 km

• M1: 79,287 km (0.072 R)
• M2: 339,587 km (0.039 R)
• M3: 752,477 km (0.092 R)
• M4: 947,852 km (0.082 R)
• M5: 1,428,809 km (0.119 R)
• M6: 2,450,413 km (0.103 R)
• M7: 3,099,369 km (0.062 R)
• M8: 4,449,489 km (0.098 R)
• M9: 5,025,441 km (0.09 R)
• M10: 6,324,998 km (0.115 R)
• M11: 6,591,432 km (0.101 R)
• M12: 7,147,038 km (0.074 R)
• M13: 9,001,304 km (0.057 R)
• M14: 11,218,494 km (0.099 R)
• M15: 12,144,804 km (0.047 R)
• M16: 14,073,270 km (0.114 R)
• M17: 15,546,959 km (0.079 R)
• M18: 18,256,475 km (0.115 R)
• M19: 22,990,799 km (0.106 R)
• M20: 23,834,082 km (0.102 R)
• M21: 28,844,863 km (0.088 R)
• M22: 29,701,760 km (0.07 R)
• M23: 30,701,821 km (0.111 R)
• M24: 31,082,398 km (0.112 R)
• M25: 36,605,701 km (0.054 R)
• M26: 38,045,730 km (0.075 R)
• M27: 38,779,658 km (0.103 R)
• M28: 40,275,786 km (0.034 R)
• M29: 41,654,779 km (0.103 R)
• M30: 42,277,705 km (0.109 R)
• M31: 43,542,106 km (0.105 R)
• M32: 57,217,745 km (0.075 R)
• M33: 58,569,062 km (0.082 R)
• M34: 61,939,054 km (0.055 R)
• M35: 63,363,375 km (0.107 R)
• M36: 71,256,907 km (0.096 R)
• M37: 71,924,263 km (0.107 R)
• M38: 75,553,806 km (0.091 R)
• M39: 79,303,626 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.5

Radius: 7.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.63 AU - 10.31 AU

Year: 20116 Days

Day: 21.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,015,683 km

• M1: 92,302 km (0.026 R)
• M2: 363,373 km (0.108 R)
• M3: 805,285 km (0.063 R)
• M4: 2,104,393 km (0.098 R)
• M5: 2,516,685 km (0.101 R)
• M6: 4,132,192 km (0.105 R)
• M7: 9,152,697 km (0.099 R)
• M8: 10,571,633 km (0.108 R)
• M9: 12,080,477 km (0.11 R)
• M10: 14,232,592 km (0.078 R)
• M11: 16,190,529 km (0.075 R)
• M12: 17,987,199 km (0.104 R)
• M13: 20,705,542 km (0.071 R)
• M14: 20,999,053 km (0.088 R)
• M15: 22,585,239 km (0.085 R)
• M16: 24,168,733 km (0.12 R)
• M17: 24,822,326 km (0.093 R)
• M18: 28,358,520 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 17,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit