🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.52 AU - 0.56 AU

Year: 145 Days

Day: 26.1 Hours

Environment

Temp: 190 °C

Axial Tilt: 129.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.89 AU

Year: 228 Days

Day: 35.6 Hours

Environment

Temp: 202 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.63 AU - 1.01 AU

Year: 271 Days

Day: 44 Hours

Environment

Temp: 114 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.28 AU - 1.4 AU

Year: 567 Days

Day: 25.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 4.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 13.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.28 AU - 5.88 AU

Year: 4814 Days

Day: 8.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,772,802 km

• M1: 167,400 km (0.097 R)
• M2: 641,924 km (0.07 R)
• M3: 1,232,686 km (0.066 R)
• M4: 1,706,463 km (0.109 R)
• M5: 2,164,382 km (0.092 R)
• M6: 3,076,181 km (0.078 R)
• M7: 4,181,709 km (0.044 R)
• M8: 5,684,121 km (0.093 R)
• M9: 6,300,165 km (0.084 R)
• M10: 7,413,771 km (0.081 R)
• M11: 8,654,686 km (0.111 R)
• M12: 9,986,107 km (0.11 R)
• M13: 10,655,408 km (0.075 R)
• M14: 12,638,477 km (0.104 R)
• M15: 13,368,814 km (0.118 R)
• M16: 14,182,477 km (0.119 R)
• M17: 15,789,307 km (0.104 R)
• M18: 16,636,929 km (0.116 R)
• M19: 17,770,881 km (0.065 R)
• M20: 19,023,164 km (0.109 R)
• M21: 20,474,862 km (0.117 R)
• M22: 25,272,915 km (0.071 R)
• M23: 27,282,762 km (0.114 R)
• M24: 27,888,484 km (0.107 R)
• M25: 29,216,763 km (0.07 R)
• M26: 29,942,313 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.9

Radius: 11.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.75 AU - 6.53 AU

Year: 4892 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,772,802 km

• M1: 143,016 km (0.048 R)
• M2: 562,189 km (0.09 R)
• M3: 1,119,890 km (0.102 R)
• M4: 1,762,712 km (0.102 R)
• M5: 2,487,962 km (0.033 R)
• M6: 3,063,914 km (0.109 R)
• M7: 3,477,253 km (0.096 R)
• M8: 3,887,001 km (0.106 R)
• M9: 4,970,988 km (0.093 R)
• M10: 5,493,084 km (0.096 R)
• M11: 6,855,023 km (0.106 R)
• M12: 9,102,133 km (0.083 R)
• M13: 10,632,669 km (0.07 R)
• M14: 12,779,099 km (0.055 R)
• M15: 13,665,765 km (0.096 R)
• M16: 14,894,413 km (0.12 R)
• M17: 15,718,547 km (0.095 R)
• M18: 16,410,288 km (0.078 R)
• M19: 17,011,372 km (0.108 R)
• M20: 18,432,103 km (0.106 R)
• M21: 20,931,136 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.5

Radius: 8

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.15 AU - 6.79 AU

Year: 6011 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,772,802 km

• M1: 100,979 km (0.067 R)
• M2: 357,838 km (0.118 R)
• M3: 690,095 km (0.115 R)
• M4: 1,184,965 km (0.119 R)
• M5: 1,537,866 km (0.099 R)
• M6: 2,954,259 km (0.093 R)
• M7: 3,425,492 km (0.046 R)
• M8: 4,071,605 km (0.08 R)
• M9: 4,711,585 km (0.087 R)
• M10: 5,114,901 km (0.096 R)
• M11: 6,395,459 km (0.094 R)
• M12: 6,926,681 km (0.115 R)
• M13: 7,564,117 km (0.102 R)
• M14: 9,529,684 km (0.105 R)
• M15: 11,657,713 km (0.095 R)
• M16: 13,562,244 km (0.07 R)
• M17: 13,850,369 km (0.058 R)
• M18: 14,379,198 km (0.116 R)
• M19: 15,352,481 km (0.03 R)
• M20: 17,227,392 km (0.1 R)
• M21: 17,633,550 km (0.102 R)
• M22: 19,834,733 km (0.118 R)
• M23: 21,581,886 km (0.107 R)
• M24: 23,100,604 km (0.05 R)
• M25: 23,594,576 km (0.102 R)
• M26: 25,119,128 km (0.086 R)
• M27: 25,729,338 km (0.117 R)
• M28: 26,888,721 km (0.083 R)
• M29: 31,977,442 km (0.115 R)
• M30: 32,900,761 km (0.07 R)
• M31: 33,947,646 km (0.046 R)
• M32: 36,217,794 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 10.7

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.36 AU - 6.62 AU

Year: 6039 Days

Day: 8 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,772,802 km

• M1: 133,142 km (0.107 R)
• M2: 491,429 km (0.118 R)
• M3: 1,134,101 km (0.109 R)
• M4: 1,791,883 km (0.105 R)
• M5: 2,688,573 km (0.083 R)
• M6: 3,291,452 km (0.091 R)
• M7: 4,684,957 km (0.076 R)
• M8: 5,779,115 km (0.097 R)
• M9: 6,679,545 km (0.037 R)
• M10: 8,673,834 km (0.097 R)
• M11: 10,696,248 km (0.082 R)
• M12: 11,536,240 km (0.062 R)
• M13: 12,633,989 km (0.048 R)
• M14: 13,459,769 km (0.1 R)
• M15: 13,800,104 km (0.071 R)
• M16: 14,557,070 km (0.1 R)
• M17: 16,153,728 km (0.052 R)
• M18: 16,928,794 km (0.119 R)
• M19: 20,353,090 km (0.05 R)
• M20: 22,583,594 km (0.047 R)
• M21: 26,714,889 km (0.091 R)
• M22: 32,834,788 km (0.099 R)
• M23: 33,868,509 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.6

Radius: 6.7

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 12.76 AU - 14.6 AU

Year: 18481 Days

Day: 21.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,772,802 km

• M1: 84,373 km (0.104 R)
• M2: 374,144 km (0.089 R)
• M3: 683,662 km (0.063 R)
• M4: 909,256 km (0.036 R)
• M5: 1,146,368 km (0.079 R)
• M6: 1,748,051 km (0.086 R)
• M7: 2,282,265 km (0.055 R)
• M8: 2,920,150 km (0.082 R)
• M9: 3,472,167 km (0.09 R)
• M10: 4,060,236 km (0.107 R)
• M11: 4,678,524 km (0.111 R)
• M12: 5,624,132 km (0.115 R)
• M13: 5,939,185 km (0.069 R)
• M14: 7,272,551 km (0.074 R)
• M15: 8,132,589 km (0.064 R)
• M16: 9,769,639 km (0.087 R)
• M17: 10,283,358 km (0.112 R)
• M18: 11,932,674 km (0.117 R)
• M19: 12,453,574 km (0.046 R)
• M20: 12,921,516 km (0.089 R)
• M21: 13,680,576 km (0.037 R)
• M22: 14,250,992 km (0.102 R)
• M23: 20,027,864 km (0.056 R)
• M24: 20,301,478 km (0.117 R)
• M25: 22,384,928 km (0.085 R)
• M26: 24,711,175 km (0.074 R)
• M27: 25,449,889 km (0.086 R)
• M28: 31,775,037 km (0.102 R)
• M29: 32,397,214 km (0.065 R)
• M30: 33,281,936 km (0.116 R)
• M31: 33,794,608 km (0.095 R)
• M32: 36,167,230 km (0.04 R)
• M33: 42,429,846 km (0.12 R)
• M34: 43,794,029 km (0.041 R)
• M35: 51,056,556 km (0.086 R)
• M36: 51,396,742 km (0.107 R)
• M37: 68,732,742 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 12,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit