🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 13.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.95 AU - 1.07 AU

Year: 677 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,195,600 km

• M1: 172,187 km (0.089 R)
• M2: 967,001 km (0.104 R)
• M3: 1,480,121 km (0.092 R)
• M4: 2,253,542 km (0.046 R)
• M5: 3,011,854 km (0.096 R)
• M6: 3,451,821 km (0.095 R)
• M7: 4,216,266 km (0.105 R)
• M8: 5,125,522 km (0.082 R)
• M9: 6,320,510 km (0.075 R)
• M10: 6,984,126 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.1

Radius: 13.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.87 AU - 1.39 AU

Year: 801 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,195,600 km

• M1: 169,195 km (0.091 R)
• M2: 653,593 km (0.097 R)
• M3: 1,150,108 km (0.088 R)
• M4: 1,834,519 km (0.118 R)
• M5: 2,287,351 km (0.106 R)
• M6: 2,935,709 km (0.111 R)
• M7: 3,398,116 km (0.034 R)
• M8: 4,824,531 km (0.107 R)
• M9: 5,567,883 km (0.097 R)
• M10: 6,037,620 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 13.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.04 AU - 1.28 AU

Year: 833 Days

Day: 10.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,195,600 km

• M1: 168,148 km (0.049 R)
• M2: 619,634 km (0.079 R)
• M3: 1,079,648 km (0.105 R)
• M4: 1,717,982 km (0.096 R)
• M5: 2,181,137 km (0.072 R)
• M6: 2,646,536 km (0.085 R)
• M7: 3,520,636 km (0.077 R)
• M8: 3,963,745 km (0.115 R)
• M9: 5,090,965 km (0.071 R)
• M10: 5,641,037 km (0.103 R)
• M11: 6,063,950 km (0.112 R)
• M12: 6,705,126 km (0.099 R)
• M13: 7,391,032 km (0.063 R)
• M14: 8,148,746 km (0.101 R)
• M15: 9,092,858 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.4

Radius: 9.4

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.39 AU - 2.25 AU

Year: 1637 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,195,600 km

• M1: 116,986 km (0.042 R)
• M2: 421,417 km (0.09 R)
• M3: 844,630 km (0.07 R)
• M4: 1,144,424 km (0.101 R)
• M5: 1,622,539 km (0.069 R)
• M6: 1,925,624 km (0.06 R)
• M7: 2,459,239 km (0.057 R)
• M8: 2,818,873 km (0.082 R)
• M9: 3,375,377 km (0.098 R)
• M10: 4,058,889 km (0.118 R)
• M11: 4,404,311 km (0.077 R)
• M12: 4,959,319 km (0.09 R)
• M13: 5,653,304 km (0.065 R)
• M14: 6,011,740 km (0.12 R)
• M15: 6,907,382 km (0.1 R)
• M16: 7,772,657 km (0.12 R)
• M17: 8,398,724 km (0.09 R)
• M18: 8,802,788 km (0.077 R)
• M19: 10,515,384 km (0.083 R)
• M20: 10,911,968 km (0.103 R)
• M21: 11,206,676 km (0.1 R)
• M22: 11,966,932 km (0.09 R)
• M23: 12,319,983 km (0.07 R)
• M24: 12,680,065 km (0.108 R)
• M25: 13,931,302 km (0.086 R)
• M26: 14,278,518 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.1

Radius: 9.9

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.91 AU - 2.09 AU

Year: 1886 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,195,600 km

• M1: 123,119 km (0.069 R)
• M2: 500,854 km (0.106 R)
• M3: 941,419 km (0.062 R)
• M4: 1,380,938 km (0.074 R)
• M5: 1,754,185 km (0.113 R)
• M6: 2,255,038 km (0.113 R)
• M7: 3,175,813 km (0.064 R)
• M8: 3,594,538 km (0.109 R)
• M9: 4,367,959 km (0.055 R)
• M10: 5,183,566 km (0.12 R)
• M11: 5,582,394 km (0.06 R)
• M12: 7,035,289 km (0.06 R)
• M13: 8,095,489 km (0.093 R)
• M14: 9,714,587 km (0.12 R)
• M15: 10,426,074 km (0.106 R)
• M16: 10,812,336 km (0.113 R)
• M17: 12,221,099 km (0.088 R)
• M18: 12,969,537 km (0.108 R)
• M19: 13,706,606 km (0.096 R)
• M20: 14,043,051 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.6

Radius: 12.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.68 AU - 3.84 AU

Year: 4862 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,195,600 km

• M1: 150,944 km (0.118 R)
• M2: 602,131 km (0.057 R)
• M3: 1,120,787 km (0.099 R)
• M4: 1,555,070 km (0.105 R)
• M5: 2,359,906 km (0.113 R)
• M6: 3,264,076 km (0.103 R)
• M7: 4,435,278 km (0.051 R)
• M8: 5,957,735 km (0.046 R)
• M9: 9,338,348 km (0.115 R)
• M10: 10,220,078 km (0.087 R)
• M11: 14,094,363 km (0.056 R)
• M12: 14,916,553 km (0.119 R)
• M13: 19,514,893 km (0.092 R)
• M14: 23,283,113 km (0.107 R)
• M15: 26,594,313 km (0.11 R)
• M16: 29,672,289 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246

Radius: 5.2

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.53 AU - 12.53 AU

Year: 21183 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,195,600 km

• M1: 64,626 km (0.079 R)
• M2: 381,175 km (0.05 R)
• M3: 678,726 km (0.104 R)
• M4: 941,719 km (0.086 R)
• M5: 1,181,823 km (0.086 R)
• M6: 1,956,142 km (0.083 R)
• M7: 2,597,169 km (0.094 R)
• M8: 3,765,827 km (0.111 R)
• M9: 4,105,564 km (0.109 R)
• M10: 4,589,962 km (0.113 R)
• M11: 5,044,440 km (0.081 R)
• M12: 5,317,157 km (0.052 R)
• M13: 6,080,256 km (0.065 R)
• M14: 7,466,729 km (0.075 R)
• M15: 7,866,454 km (0.12 R)
• M16: 17,174,584 km (0.096 R)
• M17: 19,566,205 km (0.106 R)
• M18: 20,581,974 km (0.081 R)
• M19: 22,718,232 km (0.094 R)
• M20: 24,802,130 km (0.097 R)
• M21: 25,491,178 km (0.071 R)
• M22: 29,236,959 km (0.076 R)
• M23: 41,807,967 km (0.074 R)
• M24: 42,642,873 km (0.039 R)
• M25: 45,359,720 km (0.083 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: 238 - 12,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit