🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 11.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.6 AU - 0.68 AU

Year: 341 Days

Day: 11.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,769,823 km

• M1: 141,819 km (0.094 R)
• M2: 504,743 km (0.093 R)
• M3: 881,281 km (0.092 R)
• M4: 1,461,272 km (0.119 R)
• M5: 2,050,538 km (0.073 R)
• M6: 2,624,545 km (0.068 R)
• M7: 2,997,792 km (0.113 R)
• M8: 3,586,908 km (0.084 R)
• M9: 4,049,016 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.8

Radius: 8.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.57 AU - 0.77 AU

Year: 366 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,769,823 km

• M1: 110,702 km (0.096 R)
• M2: 419,173 km (0.114 R)
• M3: 703,110 km (0.032 R)
• M4: 1,277,267 km (0.107 R)
• M5: 1,622,090 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.9

Radius: 12.7

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.6 AU - 0.9 AU

Year: 433 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,769,823 km

• M1: 159,920 km (0.047 R)
• M2: 692,040 km (0.089 R)
• M3: 1,129,015 km (0.079 R)
• M4: 1,703,621 km (0.082 R)
• M5: 2,103,645 km (0.097 R)
• M6: 2,547,652 km (0.085 R)
• M7: 3,020,830 km (0.119 R)
• M8: 3,795,597 km (0.097 R)
• M9: 4,315,899 km (0.043 R)
• M10: 4,759,905 km (0.077 R)
• M11: 5,585,536 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 10.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.08 AU - 1.12 AU

Year: 769 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,769,823 km

• M1: 130,599 km (0.09 R)
• M2: 578,196 km (0.114 R)
• M3: 991,684 km (0.1 R)
• M4: 1,529,339 km (0.045 R)
• M5: 2,662,693 km (0.091 R)
• M6: 3,013,200 km (0.037 R)
• M7: 3,459,002 km (0.102 R)
• M8: 3,892,088 km (0.089 R)
• M9: 4,407,004 km (0.106 R)
• M10: 5,885,928 km (0.09 R)
• M11: 6,956,301 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 8.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.37 AU - 1.91 AU

Year: 1401 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,769,823 km

• M1: 105,766 km (0.066 R)
• M2: 506,239 km (0.063 R)
• M3: 1,130,810 km (0.091 R)
• M4: 1,421,030 km (0.108 R)
• M5: 1,959,732 km (0.104 R)
• M6: 3,478,599 km (0.098 R)
• M7: 3,743,088 km (0.074 R)
• M8: 4,144,459 km (0.106 R)
• M9: 4,442,309 km (0.043 R)
• M10: 4,986,247 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.4

Radius: 8.6

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.81 AU - 2.43 AU

Year: 2058 Days

Day: 13.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,769,823 km

• M1: 106,962 km (0.086 R)
• M2: 591,061 km (0.116 R)
• M3: 924,066 km (0.119 R)
• M4: 2,160,193 km (0.095 R)
• M5: 2,742,428 km (0.116 R)
• M6: 3,603,962 km (0.116 R)
• M7: 4,137,129 km (0.076 R)
• M8: 4,943,761 km (0.059 R)
• M9: 6,134,111 km (0.112 R)
• M10: 7,094,081 km (0.1 R)
• M11: 8,471,578 km (0.098 R)
• M12: 11,625,699 km (0.116 R)
• M13: 12,490,225 km (0.086 R)
• M14: 13,889,265 km (0.041 R)
• M15: 14,579,659 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.3

Radius: 3.4

Gravity: 61.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.14 AU - 7.36 AU

Year: 10420 Days

Day: 22.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,769,823 km

• M1: 43,084 km (0.048 R)
• M2: 242,199 km (0.074 R)
• M3: 586,424 km (0.104 R)
• M4: 729,738 km (0.043 R)
• M5: 857,196 km (0.116 R)
• M6: 999,463 km (0.1 R)
• M7: 1,145,620 km (0.069 R)
• M8: 1,293,124 km (0.034 R)
• M9: 2,014,036 km (0.105 R)
• M10: 2,664,637 km (0.09 R)
• M11: 3,469,623 km (0.088 R)
• M12: 4,079,235 km (0.07 R)
• M13: 4,192,181 km (0.089 R)
• M14: 4,604,024 km (0.118 R)
• M15: 5,042,047 km (0.08 R)
• M16: 5,439,229 km (0.09 R)
• M17: 5,610,818 km (0.041 R)
• M18: 5,856,906 km (0.058 R)
• M19: 6,146,977 km (0.115 R)
• M20: 6,716,645 km (0.117 R)
• M21: 6,874,321 km (0.085 R)
• M22: 8,589,461 km (0.059 R)
• M23: 8,916,332 km (0.042 R)
• M24: 9,251,432 km (0.096 R)
• M25: 10,307,293 km (0.118 R)
• M26: 11,440,946 km (0.089 R)
• M27: 21,871,508 km (0.093 R)
• M28: 26,665,820 km (0.102 R)
• M29: 28,373,181 km (0.095 R)
• M30: 29,621,426 km (0.106 R)
• M31: 38,261,600 km (0.061 R)
• M32: 39,399,292 km (0.07 R)
• M33: 46,132,692 km (0.113 R)
• M34: 47,276,517 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 12,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit