🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 14.5

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.72 AU - 0.76 AU

Year: 447 Days

Day: 14.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,209,276 km

• M1: 180,565 km (0.092 R)
• M2: 637,437 km (0.059 R)
• M3: 1,151,006 km (0.042 R)
• M4: 1,752,389 km (0.037 R)
• M5: 2,326,696 km (0.102 R)
• M6: 2,928,678 km (0.099 R)
• M7: 4,322,930 km (0.072 R)
• M8: 4,789,226 km (0.099 R)
• M9: 5,354,407 km (0.101 R)
• M10: 5,824,443 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 12.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.77 AU - 0.94 AU

Year: 551 Days

Day: 14.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,209,276 km

• M1: 160,519 km (0.091 R)
• M2: 687,402 km (0.067 R)
• M3: 1,134,849 km (0.026 R)
• M4: 1,736,831 km (0.071 R)
• M5: 2,193,853 km (0.1 R)
• M6: 2,763,372 km (0.085 R)
• M7: 3,308,207 km (0.12 R)
• M8: 4,509,927 km (0.066 R)
• M9: 5,750,692 km (0.106 R)
• M10: 6,412,812 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 12.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.76 AU - 1.02 AU

Year: 590 Days

Day: 5.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,209,276 km

• M1: 160,369 km (0.106 R)
• M2: 799,900 km (0.097 R)
• M3: 1,733,989 km (0.106 R)
• M4: 2,150,769 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.7

Radius: 12.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.29 AU - 3.43 AU

Year: 3400 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,209,276 km

• M1: 160,519 km (0.095 R)
• M2: 577,897 km (0.119 R)
• M3: 1,081,443 km (0.062 R)
• M4: 2,001,769 km (0.107 R)
• M5: 2,684,534 km (0.067 R)
• M6: 3,445,688 km (0.12 R)
• M7: 3,976,311 km (0.049 R)
• M8: 6,010,244 km (0.109 R)
• M9: 6,444,078 km (0.082 R)
• M10: 7,045,312 km (0.116 R)
• M11: 8,130,495 km (0.089 R)
• M12: 8,971,684 km (0.113 R)
• M13: 10,322,253 km (0.115 R)
• M14: 11,390,382 km (0.079 R)
• M15: 12,972,230 km (0.085 R)
• M16: 17,533,469 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.6

Radius: 5.3

Gravity: 22.45 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.55 AU - 6.95 AU

Year: 9692 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,209,276 km

• M1: 71,657 km (0.091 R)
• M2: 252,671 km (0.059 R)
• M3: 544,835 km (0.103 R)
• M4: 813,214 km (0.071 R)
• M5: 1,248,544 km (0.1 R)
• M6: 3,231,763 km (0.063 R)
• M7: 3,468,576 km (0.085 R)
• M8: 3,691,477 km (0.111 R)
• M9: 3,950,281 km (0.116 R)
• M10: 6,222,224 km (0.117 R)
• M11: 9,671,353 km (0.081 R)
• M12: 11,963,791 km (0.094 R)
• M13: 12,704,898 km (0.103 R)
• M14: 13,597,399 km (0.113 R)
• M15: 14,340,901 km (0.109 R)
• M16: 15,440,146 km (0.103 R)
• M17: 16,874,191 km (0.099 R)
• M18: 18,694,498 km (0.114 R)
• M19: 19,690,820 km (0.079 R)
• M20: 20,083,365 km (0.073 R)
• M21: 20,641,514 km (0.042 R)
• M22: 20,884,012 km (0.076 R)
• M23: 21,210,136 km (0.086 R)
• M24: 22,548,588 km (0.109 R)
• M25: 25,671,144 km (0.092 R)
• M26: 26,613,611 km (0.058 R)
• M27: 28,169,129 km (0.033 R)
• M28: 29,171,585 km (0.088 R)
• M29: 30,405,468 km (0.113 R)
• M30: 34,542,298 km (0.099 R)
• M31: 36,039,473 km (0.105 R)
• M32: 36,626,645 km (0.114 R)
• M33: 39,162,479 km (0.033 R)
• M34: 42,200,961 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.5

Radius: 3.7

Gravity: 35.9 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.57 AU - 7.69 AU

Year: 14815 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,209,276 km

• M1: 46,076 km (0.107 R)
• M2: 265,835 km (0.111 R)
• M3: 759,957 km (0.053 R)
• M4: 875,596 km (0.077 R)
• M5: 1,722,171 km (0.079 R)
• M6: 5,540,656 km (0.114 R)
• M7: 6,641,697 km (0.089 R)
• M8: 7,657,017 km (0.071 R)
• M9: 8,063,026 km (0.073 R)
• M10: 11,783,226 km (0.06 R)
• M11: 13,133,945 km (0.097 R)
• M12: 13,715,133 km (0.046 R)
• M13: 14,380,694 km (0.092 R)
• M14: 15,847,950 km (0.106 R)
• M15: 17,258,957 km (0.098 R)
• M16: 22,993,492 km (0.078 R)
• M17: 24,699,656 km (0.067 R)
• M18: 31,107,082 km (0.096 R)
• M19: 36,611,835 km (0.109 R)
• M20: 36,991,813 km (0.107 R)
• M21: 38,018,055 km (0.048 R)
• M22: 42,174,033 km (0.111 R)
• M23: 42,871,459 km (0.097 R)
• M24: 51,850,323 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.5

Radius: 3.8

Gravity: 44.49 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.41 AU - 9.41 AU

Year: 17144 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,209,276 km

• M1: 47,273 km (0.08 R)
• M2: 223,798 km (0.082 R)
• M3: 360,082 km (0.049 R)
• M4: 687,253 km (0.081 R)
• M5: 999,164 km (0.081 R)
• M6: 1,269,039 km (0.104 R)
• M7: 2,374,118 km (0.107 R)
• M8: 2,527,306 km (0.058 R)
• M9: 2,663,740 km (0.107 R)
• M10: 3,476,804 km (0.079 R)
• M11: 4,281,491 km (0.104 R)
• M12: 5,499,667 km (0.116 R)
• M13: 6,584,550 km (0.117 R)
• M14: 7,064,759 km (0.099 R)
• M15: 7,336,429 km (0.104 R)
• M16: 8,045,972 km (0.115 R)
• M17: 10,389,572 km (0.107 R)
• M18: 12,354,690 km (0.055 R)
• M19: 12,550,813 km (0.111 R)
• M20: 13,631,508 km (0.091 R)
• M21: 14,481,822 km (0.078 R)
• M22: 14,919,994 km (0.101 R)
• M23: 15,976,454 km (0.085 R)
• M24: 20,610,996 km (0.112 R)
• M25: 22,496,528 km (0.109 R)
• M26: 22,788,842 km (0.104 R)
• M27: 23,083,849 km (0.088 R)
• M28: 26,715,038 km (0.113 R)
• M29: 29,763,095 km (0.108 R)
• M30: 38,867,472 km (0.064 R)
• M31: 41,147,792 km (0.117 R)
• M32: 42,915,291 km (0.117 R)
• M33: 51,666,317 km (0.09 R)
• M34: 52,687,323 km (0.114 R)
• M35: 54,945,503 km (0.066 R)
• M36: 57,267,411 km (0.06 R)
• M37: 59,282,345 km (0.108 R)
• M38: 59,653,797 km (0.103 R)
• M39: 64,623,887 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 17,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit