🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.1

Radius: 10

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.52 AU - 0.54 AU

Year: 271 Days

Day: 14.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,216,897 km

• M1: 125,064 km (0.071 R)
• M2: 460,911 km (0.073 R)
• M3: 871,108 km (0.11 R)
• M4: 1,310,029 km (0.053 R)
• M5: 1,778,120 km (0.083 R)
• M6: 2,150,170 km (0.104 R)
• M7: 2,548,400 km (0.103 R)
• M8: 3,073,488 km (0.064 R)
• M9: 3,420,107 km (0.104 R)
• M10: 3,849,901 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468

Radius: 13.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.47 AU - 0.61 AU

Year: 279 Days

Day: 13 Hours

Environment

Temp: -141 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,216,897 km

• M1: 168,298 km (0.117 R)
• M2: 589,116 km (0.108 R)
• M3: 1,015,321 km (0.077 R)
• M4: 1,436,738 km (0.118 R)
• M5: 1,951,205 km (0.079 R)
• M6: 2,673,763 km (0.077 R)
• M7: 3,185,088 km (0.114 R)
• M8: 3,632,386 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 14.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.59 AU - 0.61 AU

Year: 327 Days

Day: 6.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,216,897 km

• M1: 181,612 km (0.099 R)
• M2: 743,651 km (0.059 R)
• M3: 1,256,622 km (0.119 R)
• M4: 1,840,353 km (0.091 R)
• M5: 2,502,174 km (0.095 R)
• M6: 3,269,312 km (0.104 R)
• M7: 3,941,306 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 9.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.47 AU - 1.49 AU

Year: 1266 Days

Day: 5.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,216,897 km

• M1: 118,182 km (0.102 R)
• M2: 494,720 km (0.111 R)
• M3: 1,116,299 km (0.051 R)
• M4: 1,441,076 km (0.088 R)
• M5: 1,782,010 km (0.111 R)
• M6: 2,321,460 km (0.111 R)
• M7: 3,679,060 km (0.071 R)
• M8: 4,394,886 km (0.118 R)
• M9: 5,421,876 km (0.116 R)
• M10: 5,733,787 km (0.084 R)
• M11: 6,393,963 km (0.077 R)
• M12: 6,981,882 km (0.094 R)
• M13: 7,682,748 km (0.074 R)
• M14: 8,157,572 km (0.084 R)
• M15: 8,906,459 km (0.111 R)
• M16: 9,253,825 km (0.063 R)
• M17: 10,318,513 km (0.081 R)
• M18: 10,669,619 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 10.6

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.74 AU - 2.22 AU

Year: 1958 Days

Day: 7.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,216,897 km

• M1: 135,236 km (0.11 R)
• M2: 880,383 km (0.088 R)
• M3: 1,314,516 km (0.113 R)
• M4: 1,890,767 km (0.098 R)
• M5: 3,639,267 km (0.107 R)
• M6: 4,133,389 km (0.088 R)
• M7: 5,140,332 km (0.111 R)
• M8: 6,876,565 km (0.067 R)
• M9: 7,847,007 km (0.107 R)
• M10: 8,190,184 km (0.083 R)
• M11: 8,939,969 km (0.105 R)
• M12: 9,558,406 km (0.082 R)
• M13: 11,827,208 km (0.06 R)
• M14: 13,437,180 km (0.105 R)
• M15: 14,341,050 km (0.108 R)
• M16: 16,931,936 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 12.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.69 AU - 2.95 AU

Year: 3329 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,216,897 km

• M1: 159,471 km (0.115 R)
• M2: 611,556 km (0.091 R)
• M3: 1,057,059 km (0.072 R)
• M4: 1,604,886 km (0.084 R)
• M5: 2,161,390 km (0.117 R)
• M6: 2,668,676 km (0.102 R)
• M7: 3,796,345 km (0.053 R)
• M8: 4,625,267 km (0.081 R)
• M9: 7,113,229 km (0.068 R)
• M10: 10,168,466 km (0.1 R)
• M11: 10,795,431 km (0.066 R)
• M12: 12,290,363 km (0.105 R)
• M13: 12,705,796 km (0.118 R)
• M14: 13,173,588 km (0.068 R)
• M15: 14,554,078 km (0.119 R)
• M16: 15,494,599 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 11.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.11 AU - 4.17 AU

Year: 4882 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,216,897 km

• M1: 146,756 km (0.067 R)
• M2: 517,908 km (0.107 R)
• M3: 1,031,926 km (0.115 R)
• M4: 1,843,943 km (0.101 R)
• M5: 2,490,356 km (0.053 R)
• M6: 2,902,049 km (0.097 R)
• M7: 3,780,637 km (0.054 R)
• M8: 4,561,688 km (0.077 R)
• M9: 5,287,836 km (0.107 R)
• M10: 6,657,404 km (0.056 R)
• M11: 7,034,092 km (0.101 R)
• M12: 9,603,286 km (0.106 R)
• M13: 10,290,987 km (0.103 R)
• M14: 11,317,528 km (0.09 R)
• M15: 16,396,824 km (0.077 R)
• M16: 20,895,980 km (0.094 R)
• M17: 23,105,092 km (0.078 R)
• M18: 23,535,934 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.5

Radius: 6.8

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.97 AU - 7.95 AU

Year: 11541 Days

Day: 16.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,216,897 km

• M1: 84,523 km (0.073 R)
• M2: 315,801 km (0.096 R)
• M3: 536,159 km (0.093 R)
• M4: 1,285,046 km (0.045 R)
• M5: 1,883,736 km (0.072 R)
• M6: 2,126,384 km (0.119 R)
• M7: 2,591,484 km (0.119 R)
• M8: 3,193,466 km (0.077 R)
• M9: 3,995,310 km (0.097 R)
• M10: 4,488,535 km (0.038 R)
• M11: 5,021,402 km (0.094 R)
• M12: 5,525,996 km (0.105 R)
• M13: 6,914,862 km (0.101 R)
• M14: 9,141,477 km (0.09 R)
• M15: 9,739,569 km (0.099 R)
• M16: 11,068,896 km (0.109 R)
• M17: 15,918,261 km (0.108 R)
• M18: 16,709,933 km (0.081 R)
• M19: 17,831,169 km (0.09 R)
• M20: 20,389,442 km (0.104 R)
• M21: 21,495,120 km (0.087 R)
• M22: 21,755,869 km (0.118 R)
• M23: 29,406,902 km (0.092 R)
• M24: 32,044,313 km (0.102 R)
• M25: 36,167,230 km (0.115 R)
• M26: 42,924,715 km (0.043 R)
• M27: 45,304,219 km (0.115 R)
• M28: 47,035,815 km (0.095 R)
• M29: 47,622,687 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.3

Radius: 3

Gravity: 110.92 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.94 AU - 8.46 AU

Year: 13580 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,216,897 km

• M1: 43,383 km (0.108 R)
• M2: 161,267 km (0.091 R)
• M3: 331,060 km (0.084 R)
• M4: 432,338 km (0.114 R)
• M5: 717,920 km (0.111 R)
• M6: 1,208,003 km (0.105 R)
• M7: 1,305,092 km (0.078 R)
• M8: 2,281,816 km (0.093 R)
• M9: 2,409,274 km (0.08 R)
• M10: 2,563,958 km (0.118 R)
• M11: 2,844,454 km (0.095 R)
• M12: 3,466,183 km (0.048 R)
• M13: 3,958,060 km (0.068 R)
• M14: 4,080,282 km (0.039 R)
• M15: 4,832,460 km (0.077 R)
• M16: 5,259,412 km (0.098 R)
• M17: 5,634,155 km (0.097 R)
• M18: 7,873,486 km (0.09 R)
• M19: 8,615,491 km (0.027 R)
• M20: 11,362,557 km (0.115 R)
• M21: 13,235,821 km (0.07 R)
• M22: 13,647,515 km (0.071 R)
• M23: 14,641,293 km (0.119 R)
• M24: 15,530,653 km (0.092 R)
• M25: 16,771,567 km (0.05 R)
• M26: 17,579,844 km (0.059 R)
• M27: 20,250,166 km (0.083 R)
• M28: 22,301,003 km (0.1 R)
• M29: 29,740,206 km (0.09 R)
• M30: 31,403,136 km (0.064 R)
• M31: 34,140,029 km (0.054 R)
• M32: 35,173,302 km (0.062 R)
• M33: 36,360,510 km (0.095 R)
• M34: 40,654,119 km (0.088 R)
• M35: 50,894,991 km (0.115 R)
• M36: 52,072,476 km (0.087 R)
• M37: 55,359,889 km (0.054 R)
• M38: 63,497,863 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.5

Radius: 6.2

Gravity: 19.21 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.06 AU - 8.76 AU

Year: 15638 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,216,897 km

• M1: 77,193 km (0.092 R)
• M2: 545,284 km (0.087 R)
• M3: 820,544 km (0.074 R)
• M4: 1,026,092 km (0.099 R)
• M5: 1,657,096 km (0.053 R)
• M6: 2,585,949 km (0.117 R)
• M7: 3,162,948 km (0.061 R)
• M8: 4,341,929 km (0.081 R)
• M9: 4,873,001 km (0.064 R)
• M10: 5,788,390 km (0.083 R)
• M11: 6,307,196 km (0.093 R)
• M12: 6,727,117 km (0.105 R)
• M13: 7,076,278 km (0.098 R)
• M14: 8,002,140 km (0.06 R)
• M15: 10,902,094 km (0.026 R)
• M16: 13,115,694 km (0.075 R)
• M17: 15,993,060 km (0.037 R)
• M18: 17,415,287 km (0.085 R)
• M19: 17,990,341 km (0.107 R)
• M20: 21,994,178 km (0.049 R)
• M21: 23,154,160 km (0.069 R)
• M22: 24,558,435 km (0.049 R)
• M23: 25,386,011 km (0.108 R)
• M24: 33,435,274 km (0.103 R)
• M25: 38,031,818 km (0.108 R)
• M26: 38,306,480 km (0.108 R)
• M27: 44,082,453 km (0.094 R)
• M28: 46,390,001 km (0.069 R)
• M29: 49,263,776 km (0.04 R)
• M30: 51,747,549 km (0.048 R)
• M31: 52,254,087 km (0.064 R)
• M32: 53,621,113 km (0.069 R)
• M33: 56,426,372 km (0.065 R)
• M34: 59,697,479 km (0.062 R)
• M35: 60,815,274 km (0.05 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 11,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit