🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.7

Radius: 12.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.06 AU - 1.14 AU

Year: 745 Days

Day: 14.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,799,783 km

• M1: 155,432 km (0.087 R)
• M2: 782,397 km (0.109 R)
• M3: 1,389,166 km (0.081 R)
• M4: 1,805,198 km (0.103 R)
• M5: 2,336,569 km (0.092 R)
• M6: 3,486,977 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 11.3

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.12 AU - 1.12 AU

Year: 765 Days

Day: 12.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,799,783 km

• M1: 140,472 km (0.096 R)
• M2: 513,121 km (0.111 R)
• M3: 887,265 km (0.05 R)
• M4: 1,242,859 km (0.05 R)
• M5: 1,696,589 km (0.085 R)
• M6: 2,179,641 km (0.05 R)
• M7: 2,570,241 km (0.112 R)
• M8: 3,678,462 km (0.086 R)
• M9: 4,747,788 km (0.112 R)
• M10: 5,134,947 km (0.073 R)
• M11: 6,362,397 km (0.051 R)
• M12: 7,562,172 km (0.056 R)
• M13: 7,969,378 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.7

Radius: 14.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.02 AU - 1.46 AU

Year: 892 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,799,783 km

• M1: 183,257 km (0.071 R)
• M2: 830,717 km (0.094 R)
• M3: 1,730,698 km (0.085 R)
• M4: 2,629,781 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.3

Radius: 10.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.89 AU - 4.27 AU

Year: 5321 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,799,783 km

• M1: 126,859 km (0.115 R)
• M2: 451,636 km (0.057 R)
• M3: 798,254 km (0.046 R)
• M4: 1,195,437 km (0.111 R)
• M5: 1,610,571 km (0.112 R)
• M6: 1,930,112 km (0.1 R)
• M7: 2,415,706 km (0.103 R)
• M8: 2,902,947 km (0.04 R)
• M9: 3,454,963 km (0.05 R)
• M10: 6,039,416 km (0.095 R)
• M11: 7,698,905 km (0.092 R)
• M12: 8,243,291 km (0.116 R)
• M13: 10,031,734 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.5

Radius: 12.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.74 AU - 4.76 AU

Year: 5657 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,799,783 km

• M1: 175,179 km (0.076 R)
• M2: 629,807 km (0.055 R)
• M3: 1,302,997 km (0.11 R)
• M4: 2,008,651 km (0.044 R)
• M5: 2,760,081 km (0.082 R)
• M6: 3,887,899 km (0.086 R)
• M7: 5,005,246 km (0.09 R)
• M8: 5,990,796 km (0.062 R)
• M9: 6,836,174 km (0.098 R)
• M10: 7,582,667 km (0.113 R)
• M11: 8,048,814 km (0.056 R)
• M12: 9,078,496 km (0.11 R)
• M13: 15,813,991 km (0.118 R)
• M14: 17,861,387 km (0.075 R)
• M15: 20,766,279 km (0.071 R)

Asteroid Belt

Center: 6.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.5

Radius: 7.7

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.02 AU - 11.38 AU

Year: 18018 Days

Day: 19.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,799,783 km

• M1: 95,892 km (0.104 R)
• M2: 418,126 km (0.053 R)
• M3: 4,180,064 km (0.074 R)
• M4: 7,363,656 km (0.118 R)
• M5: 7,706,684 km (0.034 R)
• M6: 8,060,184 km (0.11 R)
• M7: 8,745,492 km (0.114 R)
• M8: 12,626,958 km (0.043 R)
• M9: 13,190,194 km (0.115 R)
• M10: 13,550,575 km (0.067 R)
• M11: 14,215,687 km (0.108 R)
• M12: 14,748,106 km (0.105 R)
• M13: 16,674,328 km (0.047 R)
• M14: 18,853,072 km (0.087 R)
• M15: 19,588,644 km (0.069 R)
• M16: 19,963,537 km (0.095 R)
• M17: 22,415,745 km (0.074 R)
• M18: 23,241,076 km (0.093 R)
• M19: 26,176,187 km (0.099 R)
• M20: 28,864,161 km (0.095 R)
• M21: 37,588,709 km (0.11 R)
• M22: 40,392,173 km (0.101 R)
• M23: 40,847,250 km (0.118 R)
• M24: 41,767,576 km (0.045 R)
• M25: 49,115,375 km (0.111 R)
• M26: 52,280,865 km (0.1 R)
• M27: 53,002,226 km (0.087 R)
• M28: 53,547,660 km (0.053 R)
• M29: 55,020,451 km (0.114 R)
• M30: 59,796,812 km (0.119 R)
• M31: 60,387,873 km (0.106 R)
• M32: 63,606,322 km (0.089 R)
• M33: 64,222,216 km (0.07 R)
• M34: 75,311,009 km (0.107 R)
• M35: 76,925,918 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 13,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit