🌌 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: 151.3

Radius: 13

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.49 AU - 0.57 AU

Year: 257 Days

Day: 11.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,282,256 km

• M1: 161,715 km (0.101 R)
• M2: 610,958 km (0.085 R)
• M3: 1,022,053 km (0.096 R)
• M4: 1,628,672 km (0.094 R)
• M5: 2,207,466 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 14

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.44 AU - 0.72 AU

Year: 295 Days

Day: 10.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,282,256 km

• M1: 178,620 km (0.117 R)
• M2: 694,583 km (0.094 R)
• M3: 1,267,094 km (0.028 R)
• M4: 2,054,727 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 12.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.84 AU - 1.12 AU

Year: 647 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,282,256 km

• M1: 159,322 km (0.1 R)
• M2: 713,133 km (0.034 R)
• M3: 1,194,240 km (0.108 R)
• M4: 1,695,093 km (0.066 R)
• M5: 2,121,298 km (0.108 R)
• M6: 4,091,651 km (0.094 R)
• M7: 5,217,675 km (0.086 R)
• M8: 7,562,472 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 14.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.05 AU - 1.09 AU

Year: 738 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,282,256 km

• M1: 186,399 km (0.112 R)
• M2: 921,822 km (0.072 R)
• M3: 1,661,883 km (0.035 R)
• M4: 2,525,511 km (0.105 R)
• M5: 3,186,435 km (0.052 R)
• M6: 6,030,290 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 12

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.89 AU - 2.03 AU

Year: 1830 Days

Day: 9.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,282,256 km

• M1: 149,598 km (0.042 R)
• M2: 589,715 km (0.114 R)
• M3: 988,244 km (0.064 R)
• M4: 1,912,459 km (0.108 R)
• M5: 2,631,277 km (0.058 R)
• M6: 3,114,179 km (0.099 R)
• M7: 3,706,586 km (0.107 R)
• M8: 4,888,260 km (0.034 R)
• M9: 5,600,196 km (0.091 R)
• M10: 6,630,178 km (0.032 R)
• M11: 7,558,582 km (0.059 R)
• M12: 8,601,728 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148

Radius: 10.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.19 AU - 3.43 AU

Year: 3141 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,282,256 km

• M1: 134,339 km (0.111 R)
• M2: 624,571 km (0.12 R)
• M3: 1,054,366 km (0.056 R)
• M4: 1,701,227 km (0.084 R)
• M5: 2,240,677 km (0.091 R)
• M6: 2,919,702 km (0.093 R)
• M7: 3,346,355 km (0.111 R)
• M8: 3,933,975 km (0.109 R)
• M9: 4,705,302 km (0.116 R)
• M10: 5,640,438 km (0.07 R)
• M11: 7,152,125 km (0.1 R)
• M12: 8,016,052 km (0.107 R)
• M13: 8,415,329 km (0.052 R)
• M14: 8,978,415 km (0.097 R)
• M15: 9,983,414 km (0.095 R)
• M16: 10,819,516 km (0.096 R)
• M17: 11,883,756 km (0.107 R)
• M18: 12,479,155 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.8

Radius: 5

Gravity: 32.23 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.19 AU - 13.27 AU

Year: 23438 Days

Day: 15 Hours

Environment

Temp: -241 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,282,256 km

• M1: 63,579 km (0.095 R)
• M2: 240,703 km (0.069 R)
• M3: 808,576 km (0.108 R)
• M4: 1,051,523 km (0.047 R)
• M5: 1,280,259 km (0.056 R)
• M6: 1,576,612 km (0.069 R)
• M7: 1,798,914 km (0.041 R)
• M8: 1,999,824 km (0.111 R)
• M9: 2,471,058 km (0.036 R)
• M10: 2,694,557 km (0.047 R)
• M11: 2,958,447 km (0.113 R)
• M12: 3,297,735 km (0.113 R)
• M13: 3,694,170 km (0.095 R)
• M14: 4,020,144 km (0.09 R)
• M15: 4,259,650 km (0.118 R)
• M16: 8,030,862 km (0.093 R)
• M17: 8,246,732 km (0.051 R)
• M18: 15,232,354 km (0.091 R)
• M19: 15,397,361 km (0.026 R)
• M20: 15,563,414 km (0.109 R)
• M21: 17,290,671 km (0.085 R)
• M22: 19,527,010 km (0.041 R)
• M23: 20,613,689 km (0.032 R)
• M24: 23,891,977 km (0.097 R)
• M25: 27,746,216 km (0.047 R)
• M26: 30,013,522 km (0.116 R)
• M27: 31,995,095 km (0.105 R)
• M28: 33,921,467 km (0.032 R)
• M29: 37,251,964 km (0.088 R)
• M30: 47,127,069 km (0.119 R)
• M31: 61,487,118 km (0.083 R)
• M32: 63,171,890 km (0.114 R)
• M33: 63,811,421 km (0.092 R)
• M34: 66,193,617 km (0.091 R)
• M35: 70,446,984 km (0.066 R)
• M36: 73,459,735 km (0.044 R)
• M37: 78,751,909 km (0.072 R)
• M38: 86,370,331 km (0.099 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: 353 - 12,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit