🌌 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: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 13.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.09 AU - 1.09 AU

Year: 724 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,187,235 km

• M1: 164,258 km (0.115 R)
• M2: 595,998 km (0.071 R)
• M3: 1,255,276 km (0.062 R)
• M4: 2,139,698 km (0.093 R)
• M5: 2,832,037 km (0.107 R)
• M6: 3,261,533 km (0.083 R)
• M7: 3,800,384 km (0.031 R)
• M8: 4,311,111 km (0.101 R)
• M9: 5,042,346 km (0.062 R)
• M10: 5,489,045 km (0.115 R)
• M11: 5,944,271 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.9

Radius: 14

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.67 AU - 2.13 AU

Year: 1665 Days

Day: 9 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,187,235 km

• M1: 174,132 km (0.08 R)
• M2: 618,438 km (0.119 R)
• M3: 1,157,588 km (0.105 R)
• M4: 1,749,248 km (0.098 R)
• M5: 2,516,984 km (0.059 R)
• M6: 3,115,076 km (0.051 R)
• M7: 3,838,681 km (0.119 R)
• M8: 4,405,059 km (0.045 R)
• M9: 5,201,069 km (0.118 R)
• M10: 5,769,541 km (0.077 R)
• M11: 7,424,991 km (0.041 R)
• M12: 8,041,634 km (0.107 R)
• M13: 8,636,883 km (0.049 R)
• M14: 9,764,552 km (0.089 R)
• M15: 10,601,253 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 9.6

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.75 AU - 2.69 AU

Year: 2103 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,187,235 km

• M1: 119,379 km (0.115 R)
• M2: 497,263 km (0.078 R)
• M3: 905,067 km (0.097 R)
• M4: 1,887,776 km (0.027 R)
• M5: 2,217,788 km (0.064 R)
• M6: 2,601,058 km (0.089 R)
• M7: 3,142,154 km (0.108 R)
• M8: 3,519,589 km (0.113 R)
• M9: 3,985,138 km (0.047 R)
• M10: 4,470,433 km (0.071 R)
• M11: 5,040,102 km (0.087 R)
• M12: 6,087,885 km (0.111 R)
• M13: 7,392,528 km (0.101 R)
• M14: 7,969,677 km (0.093 R)
• M15: 8,941,764 km (0.052 R)
• M16: 9,597,152 km (0.066 R)
• M17: 10,100,250 km (0.116 R)
• M18: 11,355,974 km (0.113 R)
• M19: 11,878,221 km (0.082 R)
• M20: 15,647,339 km (0.093 R)
• M21: 16,143,405 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 9.2

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.98 AU - 2.66 AU

Year: 2247 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,187,235 km

• M1: 114,442 km (0.081 R)
• M2: 423,212 km (0.07 R)
• M3: 964,457 km (0.079 R)
• M4: 1,680,433 km (0.039 R)
• M5: 1,995,037 km (0.076 R)
• M6: 2,471,656 km (0.1 R)
• M7: 3,119,714 km (0.092 R)
• M8: 3,895,529 km (0.025 R)
• M9: 5,531,232 km (0.085 R)
• M10: 6,474,745 km (0.093 R)
• M11: 7,084,506 km (0.118 R)
• M12: 8,039,090 km (0.098 R)
• M13: 8,976,171 km (0.071 R)
• M14: 9,805,392 km (0.103 R)
• M15: 11,456,953 km (0.056 R)
• M16: 12,557,844 km (0.1 R)
• M17: 13,199,170 km (0.053 R)
• M18: 13,862,187 km (0.117 R)
• M19: 14,454,445 km (0.08 R)
• M20: 15,689,825 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 13.5

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.75 AU - 2.75 AU

Year: 2900 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,187,235 km

• M1: 200,312 km (0.056 R)
• M2: 704,756 km (0.092 R)
• M3: 1,912,160 km (0.092 R)
• M4: 2,715,501 km (0.027 R)
• M5: 5,757,872 km (0.094 R)
• M6: 6,979,638 km (0.084 R)
• M7: 7,785,971 km (0.116 R)
• M8: 9,011,477 km (0.095 R)
• M9: 10,074,369 km (0.088 R)
• M10: 10,654,809 km (0.06 R)
• M11: 11,257,539 km (0.076 R)
• M12: 11,882,858 km (0.061 R)
• M13: 13,943,419 km (0.11 R)
• M14: 14,391,614 km (0.116 R)
• M15: 15,128,683 km (0.036 R)
• M16: 16,829,162 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.9

Radius: 13.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.76 AU - 4.44 AU

Year: 5278 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,187,235 km

• M1: 166,802 km (0.038 R)
• M2: 601,383 km (0.11 R)
• M3: 1,035,666 km (0.03 R)
• M4: 1,577,210 km (0.1 R)
• M5: 2,147,777 km (0.066 R)
• M6: 3,295,192 km (0.113 R)
• M7: 4,443,655 km (0.098 R)
• M8: 5,068,077 km (0.11 R)
• M9: 5,506,249 km (0.027 R)
• M10: 5,969,853 km (0.11 R)
• M11: 7,632,334 km (0.091 R)
• M12: 9,454,286 km (0.109 R)
• M13: 10,304,900 km (0.037 R)
• M14: 13,438,826 km (0.099 R)
• M15: 13,998,022 km (0.108 R)
• M16: 15,043,562 km (0.089 R)
• M17: 18,631,068 km (0.07 R)
• M18: 21,746,743 km (0.115 R)
• M19: 22,753,238 km (0.067 R)
• M20: 23,468,166 km (0.108 R)
• M21: 24,280,034 km (0.05 R)
• M22: 27,447,469 km (0.059 R)
• M23: 31,074,320 km (0.103 R)
• M24: 32,350,988 km (0.092 R)
• M25: 33,764,838 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.1

Radius: 6.6

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 11.08 AU - 11.84 AU

Year: 24667 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,187,235 km

• M1: 96,042 km (0.035 R)
• M2: 335,698 km (0.07 R)
• M3: 602,730 km (0.095 R)
• M4: 3,673,525 km (0.107 R)
• M5: 4,879,733 km (0.118 R)
• M6: 5,765,652 km (0.081 R)
• M7: 6,043,156 km (0.083 R)
• M8: 14,355,860 km (0.075 R)
• M9: 14,792,836 km (0.107 R)
• M10: 20,020,234 km (0.093 R)
• M11: 24,664,201 km (0.074 R)
• M12: 30,812,374 km (0.096 R)
• M13: 54,862,925 km (0.094 R)
• M14: 63,986,151 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 18,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit