🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.44 AU - 0.6 AU

Year: 242 Days

Day: 23 Hours

Environment

Temp: -119 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,740,205 km

• M1: 147,803 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.4

Radius: 12.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.69 AU - 0.81 AU

Year: 419 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,740,205 km

• M1: 160,519 km (0.091 R)
• M2: 569,968 km (0.086 R)
• M3: 1,454,839 km (0.112 R)
• M4: 1,861,746 km (0.038 R)
• M5: 3,003,177 km (0.103 R)
• M6: 3,599,325 km (0.116 R)
• M7: 4,477,165 km (0.108 R)
• M8: 5,111,310 km (0.068 R)
• M9: 5,595,559 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 8.1

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.74 AU - 0.86 AU

Year: 462 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,740,205 km

• M1: 106,813 km (0.082 R)
• M2: 376,239 km (0.105 R)
• M3: 781,649 km (0.089 R)
• M4: 1,127,370 km (0.102 R)
• M5: 1,511,238 km (0.1 R)
• M6: 2,099,457 km (0.038 R)
• M7: 2,389,228 km (0.059 R)
• M8: 2,917,757 km (0.091 R)
• M9: 3,292,200 km (0.118 R)
• M10: 4,792,218 km (0.116 R)
• M11: 5,497,273 km (0.084 R)
• M12: 5,927,666 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.8

Radius: 10.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.88 AU - 1.28 AU

Year: 725 Days

Day: 11.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,740,205 km

• M1: 127,757 km (0.111 R)
• M2: 521,049 km (0.098 R)
• M3: 944,860 km (0.09 R)
• M4: 1,319,453 km (0.082 R)
• M5: 1,685,818 km (0.06 R)
• M6: 3,337,678 km (0.1 R)
• M7: 6,219,831 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 11.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.93 AU - 1.33 AU

Year: 776 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,740,205 km

• M1: 146,905 km (0.066 R)
• M2: 609,761 km (0.11 R)
• M3: 1,103,583 km (0.096 R)
• M4: 1,516,773 km (0.104 R)
• M5: 2,430,816 km (0.057 R)
• M6: 3,274,697 km (0.117 R)
• M7: 4,611,654 km (0.117 R)
• M8: 5,173,094 km (0.059 R)
• M9: 5,555,317 km (0.093 R)
• M10: 6,265,308 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.4

Radius: 11.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.53 AU - 2.11 AU

Year: 1585 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,740,205 km

• M1: 147,952 km (0.11 R)
• M2: 655,089 km (0.087 R)
• M3: 1,153,998 km (0.119 R)
• M4: 1,544,299 km (0.111 R)
• M5: 2,671,668 km (0.118 R)
• M6: 3,070,197 km (0.096 R)
• M7: 3,564,468 km (0.106 R)
• M8: 6,491,201 km (0.055 R)
• M9: 7,127,291 km (0.063 R)
• M10: 7,901,311 km (0.059 R)
• M11: 8,860,981 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 10.2

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.81 AU - 2.13 AU

Year: 1785 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,740,205 km

• M1: 127,607 km (0.114 R)
• M2: 499,806 km (0.112 R)
• M3: 1,091,915 km (0.089 R)
• M4: 1,703,022 km (0.119 R)
• M5: 2,028,996 km (0.039 R)
• M6: 2,358,261 km (0.096 R)
• M7: 2,942,590 km (0.069 R)
• M8: 3,350,992 km (0.078 R)
• M9: 3,923,803 km (0.088 R)
• M10: 4,440,065 km (0.05 R)
• M11: 5,446,559 km (0.118 R)
• M12: 5,918,541 km (0.078 R)
• M13: 7,471,366 km (0.107 R)
• M14: 7,788,664 km (0.098 R)
• M15: 8,512,119 km (0.1 R)
• M16: 9,083,583 km (0.113 R)
• M17: 9,545,691 km (0.085 R)
• M18: 10,127,776 km (0.112 R)
• M19: 10,697,145 km (0.108 R)
• M20: 11,744,630 km (0.107 R)
• M21: 12,095,586 km (0.103 R)
• M22: 12,900,423 km (0.104 R)
• M23: 13,740,415 km (0.049 R)
• M24: 14,217,782 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.3

Radius: 3.1

Gravity: 40.61 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.9 AU - 8.28 AU

Year: 14857 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,740,205 km

• M1: 38,596 km (0.111 R)
• M2: 154,834 km (0.09 R)
• M3: 315,652 km (0.11 R)
• M4: 651,349 km (0.099 R)
• M5: 771,327 km (0.088 R)
• M6: 875,896 km (0.097 R)
• M7: 1,312,572 km (0.059 R)
• M8: 1,947,615 km (0.073 R)
• M9: 2,636,214 km (0.099 R)
• M10: 2,830,990 km (0.044 R)
• M11: 3,081,866 km (0.061 R)
• M12: 3,979,453 km (0.115 R)
• M13: 4,442,758 km (0.033 R)
• M14: 5,170,102 km (0.092 R)
• M15: 5,475,132 km (0.109 R)
• M16: 6,309,290 km (0.038 R)
• M17: 8,361,923 km (0.102 R)
• M18: 10,549,343 km (0.088 R)
• M19: 15,939,204 km (0.089 R)
• M20: 18,078,005 km (0.11 R)
• M21: 19,578,322 km (0.1 R)
• M22: 24,104,855 km (0.113 R)
• M23: 25,626,414 km (0.102 R)
• M24: 27,616,814 km (0.109 R)
• M25: 32,353,382 km (0.053 R)
• M26: 36,486,621 km (0.11 R)
• M27: 39,905,382 km (0.057 R)
• M28: 41,223,937 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 15,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit