🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.44 AU - 0.6 AU

Year: 238 Days

Day: 24.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,587,037 km

• M1: 280,346 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.6

Radius: 11.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.6 AU - 0.96 AU

Year: 438 Days

Day: 13.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,587,037 km

• M1: 140,622 km (0.033 R)
• M2: 615,146 km (0.106 R)
• M3: 982,260 km (0.072 R)
• M4: 2,254,889 km (0.045 R)
• M5: 2,786,260 km (0.098 R)
• M6: 3,473,363 km (0.098 R)
• M7: 4,327,418 km (0.047 R)
• M8: 4,727,442 km (0.03 R)
• M9: 5,283,049 km (0.09 R)
• M10: 5,688,908 km (0.114 R)
• M11: 6,206,965 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 13.8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.69 AU - 4.33 AU

Year: 5106 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 97.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,587,037 km

• M1: 171,888 km (0.079 R)
• M2: 663,766 km (0.106 R)
• M3: 1,134,700 km (0.091 R)
• M4: 2,328,042 km (0.11 R)
• M5: 2,920,599 km (0.072 R)
• M6: 3,680,856 km (0.087 R)
• M7: 6,290,142 km (0.05 R)
• M8: 8,439,265 km (0.098 R)
• M9: 11,747,472 km (0.075 R)
• M10: 12,723,598 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 12.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.1 AU - 5.22 AU

Year: 6396 Days

Day: 10 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,587,037 km

• M1: 160,668 km (0.118 R)
• M2: 562,787 km (0.087 R)
• M3: 1,071,121 km (0.069 R)
• M4: 1,888,224 km (0.101 R)
• M5: 2,443,980 km (0.114 R)
• M6: 2,950,369 km (0.101 R)
• M7: 3,396,919 km (0.081 R)
• M8: 4,376,935 km (0.046 R)
• M9: 5,016,765 km (0.111 R)
• M10: 5,536,916 km (0.081 R)
• M11: 5,934,847 km (0.109 R)
• M12: 6,417,749 km (0.081 R)
• M13: 6,961,836 km (0.042 R)
• M14: 7,536,442 km (0.098 R)
• M15: 9,409,706 km (0.106 R)
• M16: 10,068,236 km (0.094 R)
• M17: 10,524,210 km (0.118 R)
• M18: 11,874,780 km (0.105 R)
• M19: 13,777,066 km (0.113 R)
• M20: 14,339,704 km (0.075 R)
• M21: 16,872,396 km (0.087 R)
• M22: 18,044,196 km (0.119 R)
• M23: 22,266,596 km (0.085 R)
• M24: 23,996,845 km (0.069 R)
• M25: 24,812,303 km (0.114 R)
• M26: 25,984,701 km (0.099 R)
• M27: 29,445,648 km (0.086 R)
• M28: 31,431,261 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.7

Radius: 12

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.86 AU - 5.52 AU

Year: 6458 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,587,037 km

• M1: 149,299 km (0.081 R)
• M2: 776,862 km (0.097 R)
• M3: 1,866,084 km (0.09 R)
• M4: 2,267,455 km (0.062 R)
• M5: 2,692,014 km (0.086 R)
• M6: 3,948,187 km (0.077 R)
• M7: 4,346,566 km (0.079 R)
• M8: 5,619,494 km (0.076 R)
• M9: 7,297,983 km (0.063 R)
• M10: 7,756,500 km (0.07 R)
• M11: 11,761,833 km (0.098 R)
• M12: 19,402,395 km (0.083 R)
• M13: 23,092,077 km (0.114 R)
• M14: 23,622,102 km (0.069 R)
• M15: 25,420,867 km (0.104 R)
• M16: 27,225,316 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 10.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.28 AU - 5.23 AU

Year: 6582 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,587,037 km

• M1: 131,197 km (0.049 R)
• M2: 511,774 km (0.084 R)
• M3: 1,079,947 km (0.035 R)
• M4: 1,790,238 km (0.071 R)
• M5: 2,753,498 km (0.066 R)
• M6: 3,331,096 km (0.088 R)
• M7: 3,858,279 km (0.082 R)
• M8: 5,836,561 km (0.111 R)
• M9: 6,182,880 km (0.111 R)
• M10: 7,674,670 km (0.109 R)
• M11: 8,522,890 km (0.108 R)
• M12: 9,237,818 km (0.05 R)
• M13: 11,942,548 km (0.096 R)
• M14: 12,408,096 km (0.115 R)
• M15: 13,178,525 km (0.101 R)
• M16: 14,341,200 km (0.104 R)
• M17: 14,761,271 km (0.073 R)
• M18: 15,626,096 km (0.052 R)
• M19: 17,338,094 km (0.107 R)
• M20: 20,463,942 km (0.118 R)
• M21: 20,929,640 km (0.112 R)
• M22: 22,721,673 km (0.11 R)
• M23: 23,149,223 km (0.053 R)
• M24: 25,064,674 km (0.1 R)
• M25: 25,828,820 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.1

Radius: 8

Gravity: 12.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.26 AU - 5.42 AU

Year: 6770 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,587,037 km

• M1: 99,483 km (0.11 R)
• M2: 523,892 km (0.079 R)
• M3: 962,662 km (0.094 R)
• M4: 1,305,092 km (0.1 R)
• M5: 1,644,829 km (0.117 R)
• M6: 2,413,911 km (0.028 R)
• M7: 3,160,554 km (0.05 R)
• M8: 3,730,373 km (0.045 R)
• M9: 4,103,918 km (0.063 R)
• M10: 4,725,198 km (0.053 R)
• M11: 5,103,232 km (0.1 R)
• M12: 5,854,213 km (0.092 R)
• M13: 6,187,966 km (0.034 R)
• M14: 8,011,415 km (0.113 R)
• M15: 8,763,144 km (0.116 R)
• M16: 9,652,653 km (0.075 R)
• M17: 10,406,477 km (0.049 R)
• M18: 12,299,339 km (0.105 R)
• M19: 14,350,924 km (0.1 R)
• M20: 15,207,072 km (0.118 R)
• M21: 15,584,209 km (0.119 R)
• M22: 16,096,731 km (0.109 R)
• M23: 19,929,877 km (0.032 R)
• M24: 20,457,658 km (0.058 R)
• M25: 23,737,891 km (0.061 R)
• M26: 24,760,542 km (0.112 R)
• M27: 25,812,365 km (0.12 R)
• M28: 27,724,076 km (0.119 R)
• M29: 32,548,308 km (0.115 R)
• M30: 36,317,875 km (0.102 R)
• M31: 38,830,671 km (0.083 R)

Asteroid Belt

Center: 5.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.8

Radius: 3.3

Gravity: 74.09 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.61 AU - 6.63 AU

Year: 9626 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,587,037 km

• M1: 41,289 km (0.105 R)
• M2: 239,207 km (0.095 R)
• M3: 353,201 km (0.092 R)
• M4: 517,609 km (0.091 R)
• M5: 1,385,725 km (0.053 R)
• M6: 1,582,297 km (0.117 R)
• M7: 1,996,234 km (0.101 R)
• M8: 2,155,257 km (0.115 R)
• M9: 3,390,037 km (0.118 R)
• M10: 4,594,599 km (0.054 R)
• M11: 5,562,797 km (0.109 R)
• M12: 5,842,395 km (0.111 R)
• M13: 5,949,507 km (0.108 R)
• M14: 6,543,710 km (0.115 R)
• M15: 6,934,609 km (0.114 R)
• M16: 9,963,817 km (0.093 R)
• M17: 11,288,655 km (0.07 R)
• M18: 11,510,958 km (0.112 R)
• M19: 12,607,211 km (0.12 R)
• M20: 12,967,443 km (0.059 R)
• M21: 13,272,772 km (0.054 R)
• M22: 14,805,402 km (0.117 R)
• M23: 15,206,324 km (0.054 R)
• M24: 17,393,146 km (0.115 R)
• M25: 22,290,681 km (0.106 R)
• M26: 25,668,451 km (0.103 R)
• M27: 26,246,498 km (0.119 R)
• M28: 28,542,825 km (0.076 R)
• M29: 35,155,948 km (0.105 R)
• M30: 39,832,228 km (0.067 R)
• M31: 40,089,237 km (0.061 R)
• M32: 40,997,446 km (0.114 R)
• M33: 42,586,026 km (0.069 R)
• M34: 44,352,777 km (0.088 R)
• M35: 45,744,785 km (0.118 R)
• M36: 48,031,837 km (0.087 R)
• M37: 48,762,024 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.3

Radius: 3

Gravity: 28.37 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.39 AU - 8.11 AU

Year: 13718 Days

Day: 18.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,587,037 km

• M1: 43,683 km (0.089 R)
• M2: 319,990 km (0.087 R)
• M3: 793,766 km (0.106 R)
• M4: 1,221,018 km (0.1 R)
• M5: 2,227,662 km (0.085 R)
• M6: 3,612,639 km (0.112 R)
• M7: 12,159,315 km (0.082 R)
• M8: 15,460,192 km (0.066 R)
• M9: 19,997,346 km (0.054 R)
• M10: 24,898,172 km (0.098 R)
• M11: 25,984,103 km (0.086 R)
• M12: 26,353,011 km (0.113 R)
• M13: 29,132,689 km (0.116 R)
• M14: 37,097,430 km (0.047 R)
• M15: 40,700,943 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 16,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit