🌌 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 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.46 AU - 0.66 AU

Year: 271 Days

Day: 13.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,532,578 km

• M1: 29,920 km (0.093 R)
• M2: 79,586 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 12.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.58 AU - 0.82 AU

Year: 378 Days

Day: 7.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,532,578 km

• M1: 151,243 km (0.09 R)
• M2: 1,013,376 km (0.097 R)
• M3: 1,534,874 km (0.11 R)
• M4: 1,995,935 km (0.104 R)
• M5: 2,683,038 km (0.051 R)
• M6: 3,360,716 km (0.062 R)
• M7: 4,412,988 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648

Radius: 11.1

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.77 AU - 1.01 AU

Year: 542 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,532,578 km

• M1: 138,079 km (0.034 R)
• M2: 544,985 km (0.101 R)
• M3: 1,024,147 km (0.102 R)
• M4: 1,380,040 km (0.078 R)
• M5: 1,934,450 km (0.08 R)
• M6: 2,421,990 km (0.107 R)
• M7: 2,791,646 km (0.102 R)
• M8: 3,199,300 km (0.048 R)
• M9: 3,818,336 km (0.085 R)
• M10: 5,015,418 km (0.12 R)
• M11: 5,674,247 km (0.102 R)
• M12: 6,370,775 km (0.079 R)
• M13: 6,720,236 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 13.2

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.85 AU - 1.33 AU

Year: 735 Days

Day: 12.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,532,578 km

• M1: 164,408 km (0.103 R)
• M2: 686,654 km (0.054 R)
• M3: 1,331,571 km (0.118 R)
• M4: 1,776,176 km (0.101 R)
• M5: 2,228,111 km (0.077 R)
• M6: 2,902,647 km (0.101 R)
• M7: 3,813,549 km (0.081 R)
• M8: 5,014,371 km (0.114 R)
• M9: 5,712,544 km (0.08 R)
• M10: 6,178,542 km (0.119 R)
• M11: 6,758,233 km (0.117 R)
• M12: 7,780,436 km (0.095 R)
• M13: 9,255,022 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.4

Radius: 10.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.1 AU - 1.24 AU

Year: 817 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,532,578 km

• M1: 156,779 km (0.096 R)
• M2: 492,476 km (0.112 R)
• M3: 1,128,267 km (0.107 R)
• M4: 1,477,877 km (0.099 R)
• M5: 1,884,335 km (0.081 R)
• M6: 2,375,165 km (0.065 R)
• M7: 3,101,912 km (0.058 R)
• M8: 3,831,501 km (0.051 R)
• M9: 5,848,379 km (0.106 R)
• M10: 6,715,897 km (0.093 R)
• M11: 7,065,208 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 12

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.35 AU - 1.69 AU

Year: 1210 Days

Day: 10 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,532,578 km

• M1: 149,299 km (0.065 R)
• M2: 675,883 km (0.089 R)
• M3: 1,276,818 km (0.104 R)
• M4: 1,829,582 km (0.06 R)
• M5: 2,217,489 km (0.098 R)
• M6: 2,711,162 km (0.117 R)
• M7: 3,438,507 km (0.104 R)
• M8: 4,612,551 km (0.08 R)
• M9: 5,162,772 km (0.096 R)
• M10: 5,671,854 km (0.093 R)
• M11: 6,169,715 km (0.041 R)
• M12: 6,579,614 km (0.065 R)
• M13: 8,240,898 km (0.064 R)
• M14: 9,169,302 km (0.079 R)
• M15: 9,553,769 km (0.102 R)
• M16: 10,514,187 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72

Radius: 8.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.33 AU - 2.11 AU

Year: 1456 Days

Day: 7.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,532,578 km

• M1: 103,223 km (0.1 R)
• M2: 443,857 km (0.095 R)
• M3: 797,207 km (0.094 R)
• M4: 1,133,503 km (0.101 R)
• M5: 1,786,797 km (0.107 R)
• M6: 2,609,136 km (0.1 R)
• M7: 2,936,905 km (0.034 R)
• M8: 4,459,662 km (0.073 R)
• M9: 5,603,487 km (0.091 R)
• M10: 6,025,054 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.4

Radius: 5.9

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.16 AU - 10.94 AU

Year: 22126 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,532,578 km

• M1: 73,303 km (0.088 R)
• M2: 277,953 km (0.059 R)
• M3: 491,878 km (0.077 R)
• M4: 1,120,638 km (0.082 R)
• M5: 1,326,784 km (0.06 R)
• M6: 1,710,053 km (0.046 R)
• M7: 2,004,761 km (0.116 R)
• M8: 2,719,988 km (0.095 R)
• M9: 3,450,176 km (0.088 R)
• M10: 3,830,453 km (0.099 R)
• M11: 4,885,717 km (0.095 R)
• M12: 5,998,276 km (0.12 R)
• M13: 8,765,238 km (0.055 R)
• M14: 9,032,869 km (0.115 R)
• M15: 9,306,035 km (0.061 R)
• M16: 10,042,056 km (0.087 R)
• M17: 11,822,720 km (0.073 R)
• M18: 12,685,301 km (0.049 R)
• M19: 13,803,695 km (0.118 R)
• M20: 17,891,157 km (0.11 R)
• M21: 26,974,590 km (0.097 R)
• M22: 27,655,560 km (0.1 R)
• M23: 28,581,421 km (0.095 R)
• M24: 30,739,670 km (0.104 R)
• M25: 34,974,187 km (0.117 R)
• M26: 35,242,566 km (0.117 R)
• M27: 42,105,817 km (0.056 R)
• M28: 49,470,071 km (0.091 R)
• M29: 53,099,914 km (0.054 R)
• M30: 53,454,610 km (0.065 R)
• M31: 57,088,941 km (0.091 R)
• M32: 63,839,246 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.4

Radius: 5.5

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 9.03 AU - 13.29 AU

Year: 24072 Days

Day: 18.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,532,578 km

• M1: 68,516 km (0.081 R)
• M2: 246,238 km (0.065 R)
• M3: 452,833 km (0.04 R)
• M4: 709,842 km (0.106 R)
• M5: 940,671 km (0.092 R)
• M6: 1,113,008 km (0.108 R)
• M7: 2,149,721 km (0.105 R)
• M8: 2,407,778 km (0.058 R)
• M9: 3,091,141 km (0.077 R)
• M10: 3,477,702 km (0.119 R)
• M11: 4,214,770 km (0.101 R)
• M12: 5,626,825 km (0.101 R)
• M13: 6,637,807 km (0.051 R)
• M14: 7,813,946 km (0.061 R)
• M15: 9,067,725 km (0.115 R)
• M16: 9,401,029 km (0.049 R)
• M17: 10,450,010 km (0.107 R)
• M18: 10,693,256 km (0.099 R)
• M19: 11,446,032 km (0.1 R)
• M20: 11,704,537 km (0.065 R)
• M21: 13,126,465 km (0.054 R)
• M22: 26,321,596 km (0.062 R)
• M23: 27,457,941 km (0.104 R)
• M24: 28,038,231 km (0.087 R)
• M25: 40,974,558 km (0.074 R)
• M26: 43,274,924 km (0.106 R)
• M27: 43,588,032 km (0.083 R)
• M28: 44,695,805 km (0.105 R)
• M29: 48,299,318 km (0.076 R)
• M30: 49,144,397 km (0.086 R)
• M31: 51,739,022 km (0.059 R)
• M32: 56,823,854 km (0.112 R)
• M33: 57,765,572 km (0.085 R)
• M34: 58,526,277 km (0.096 R)
• M35: 64,855,165 km (0.078 R)
• M36: 71,843,929 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.5

Radius: 3.5

Gravity: 18 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.94 AU - 13.58 AU

Year: 24396 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,532,578 km

• M1: 89,908 km (0.098 R)
• M2: 232,475 km (0.043 R)
• M3: 548,575 km (0.117 R)
• M4: 796,010 km (0.035 R)
• M5: 1,101,190 km (0.086 R)
• M6: 1,280,707 km (0.103 R)
• M7: 1,714,840 km (0.118 R)
• M8: 1,938,489 km (0.067 R)
• M9: 2,220,481 km (0.115 R)
• M10: 2,638,158 km (0.028 R)
• M11: 4,326,221 km (0.112 R)
• M12: 4,578,144 km (0.104 R)
• M13: 6,459,486 km (0.106 R)
• M14: 8,264,235 km (0.073 R)
• M15: 10,103,840 km (0.093 R)
• M16: 17,775,817 km (0.049 R)
• M17: 17,935,588 km (0.091 R)
• M18: 19,416,756 km (0.098 R)
• M19: 22,155,295 km (0.1 R)
• M20: 25,341,730 km (0.106 R)
• M21: 28,165,689 km (0.101 R)
• M22: 29,485,441 km (0.109 R)
• M23: 29,934,384 km (0.072 R)
• M24: 32,247,467 km (0.057 R)
• M25: 34,428,753 km (0.068 R)
• M26: 37,618,479 km (0.078 R)
• M27: 39,488,004 km (0.054 R)
• M28: 45,615,832 km (0.085 R)
• M29: 52,675,654 km (0.067 R)
• M30: 58,116,230 km (0.105 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: 387 - 16,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit