🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.5

Radius: 8.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.73 AU - 0.77 AU

Year: 426 Days

Day: 5.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,408,196 km

• M1: 105,766 km (0.073 R)
• M2: 478,115 km (0.076 R)
• M3: 799,750 km (0.104 R)
• M4: 2,310,988 km (0.109 R)
• M5: 2,919,402 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 12.3

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.79 AU - 1.15 AU

Year: 627 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,408,196 km

• M1: 153,039 km (0.118 R)
• M2: 550,819 km (0.093 R)
• M3: 1,367,923 km (0.104 R)
• M4: 1,794,277 km (0.111 R)
• M5: 3,232,511 km (0.055 R)
• M6: 3,673,077 km (0.055 R)
• M7: 4,214,770 km (0.105 R)
• M8: 5,224,706 km (0.079 R)
• M9: 6,088,185 km (0.106 R)
• M10: 6,492,248 km (0.119 R)
• M11: 6,935,806 km (0.119 R)
• M12: 7,766,972 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.1

Radius: 14.1

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.81 AU - 1.15 AU

Year: 636 Days

Day: 7.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,408,196 km

• M1: 175,329 km (0.094 R)
• M2: 623,524 km (0.085 R)
• M3: 1,098,198 km (0.086 R)
• M4: 1,598,453 km (0.111 R)
• M5: 2,778,182 km (0.098 R)
• M6: 3,971,524 km (0.116 R)
• M7: 5,432,796 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 10.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.56 AU - 2.04 AU

Year: 1584 Days

Day: 12 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,408,196 km

• M1: 129,402 km (0.108 R)
• M2: 507,436 km (0.112 R)
• M3: 855,251 km (0.119 R)
• M4: 1,196,484 km (0.109 R)
• M5: 1,916,349 km (0.117 R)
• M6: 2,770,553 km (0.057 R)
• M7: 3,588,105 km (0.092 R)
• M8: 4,148,050 km (0.036 R)
• M9: 4,540,744 km (0.101 R)
• M10: 4,958,122 km (0.112 R)
• M11: 5,442,819 km (0.065 R)
• M12: 5,936,492 km (0.116 R)
• M13: 6,436,598 km (0.1 R)
• M14: 6,866,542 km (0.039 R)
• M15: 7,315,485 km (0.095 R)
• M16: 7,944,694 km (0.072 R)
• M17: 9,072,961 km (0.053 R)
• M18: 9,492,134 km (0.084 R)
• M19: 10,794,534 km (0.076 R)
• M20: 11,506,171 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.2

Radius: 11.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.98 AU - 4.64 AU

Year: 4879 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,408,196 km

• M1: 146,756 km (0.1 R)
• M2: 571,165 km (0.107 R)
• M3: 1,070,522 km (0.085 R)
• M4: 1,637,199 km (0.092 R)
• M5: 2,188,018 km (0.087 R)
• M6: 2,621,852 km (0.111 R)
• M7: 3,002,878 km (0.045 R)
• M8: 3,381,510 km (0.048 R)
• M9: 6,281,615 km (0.081 R)
• M10: 7,955,615 km (0.068 R)
• M11: 10,975,697 km (0.059 R)
• M12: 14,315,768 km (0.11 R)
• M13: 15,013,343 km (0.081 R)
• M14: 17,063,881 km (0.101 R)
• M15: 18,405,176 km (0.113 R)
• M16: 19,101,703 km (0.057 R)
• M17: 19,815,734 km (0.025 R)
• M18: 21,853,556 km (0.064 R)
• M19: 24,706,986 km (0.085 R)
• M20: 25,244,192 km (0.116 R)
• M21: 26,983,566 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.6

Radius: 13.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.43 AU - 4.99 AU

Year: 5667 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,408,196 km

• M1: 169,494 km (0.079 R)
• M2: 1,015,321 km (0.074 R)
• M3: 1,751,791 km (0.108 R)
• M4: 2,573,532 km (0.104 R)
• M5: 3,113,580 km (0.026 R)
• M6: 3,959,706 km (0.088 R)
• M7: 4,737,465 km (0.071 R)
• M8: 5,320,598 km (0.033 R)
• M9: 7,113,379 km (0.099 R)
• M10: 7,730,021 km (0.061 R)
• M11: 8,342,774 km (0.102 R)
• M12: 9,154,193 km (0.106 R)
• M13: 10,332,276 km (0.072 R)
• M14: 12,517,303 km (0.071 R)
• M15: 16,010,862 km (0.048 R)
• M16: 19,334,926 km (0.097 R)
• M17: 20,179,406 km (0.107 R)
• M18: 22,321,498 km (0.109 R)
• M19: 27,403,188 km (0.099 R)
• M20: 32,025,613 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 8.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.36 AU - 5.14 AU

Year: 5748 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 83.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,408,196 km

• M1: 109,506 km (0.09 R)
• M2: 448,494 km (0.105 R)
• M3: 2,333,428 km (0.107 R)
• M4: 4,966,799 km (0.116 R)
• M5: 8,018,745 km (0.063 R)
• M6: 8,739,358 km (0.103 R)
• M7: 14,264,307 km (0.09 R)
• M8: 15,273,943 km (0.098 R)
• M9: 16,776,354 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.9

Radius: 6.1

Gravity: 21.44 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.01 AU - 9.83 AU

Year: 18966 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 30,408,196 km

• M1: 76,145 km (0.1 R)
• M2: 518,656 km (0.039 R)
• M3: 821,891 km (0.066 R)
• M4: 1,170,005 km (0.047 R)
• M5: 1,663,977 km (0.062 R)
• M6: 1,978,282 km (0.117 R)
• M7: 2,750,506 km (0.073 R)
• M8: 3,471,718 km (0.077 R)
• M9: 4,245,438 km (0.097 R)
• M10: 5,166,362 km (0.086 R)
• M11: 6,256,781 km (0.107 R)
• M12: 7,395,820 km (0.117 R)
• M13: 8,992,478 km (0.099 R)
• M14: 10,930,817 km (0.061 R)
• M15: 13,060,642 km (0.119 R)
• M16: 13,999,818 km (0.113 R)
• M17: 17,685,161 km (0.067 R)
• M18: 17,945,761 km (0.054 R)
• M19: 18,653,358 km (0.045 R)
• M20: 19,563,961 km (0.11 R)
• M21: 22,472,891 km (0.105 R)
• M22: 24,136,420 km (0.073 R)
• M23: 39,159,187 km (0.071 R)
• M24: 45,181,998 km (0.077 R)
• M25: 50,388,153 km (0.1 R)
• M26: 50,912,195 km (0.105 R)
• M27: 53,225,277 km (0.103 R)
• M28: 56,354,565 km (0.08 R)
• M29: 58,059,831 km (0.099 R)
• M30: 63,584,929 km (0.054 R)
• M31: 65,018,975 km (0.088 R)
• M32: 65,225,569 km (0.11 R)
• M33: 66,683,999 km (0.106 R)
• M34: 72,070,569 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.7

Radius: 3.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.26 AU - 9.7 AU

Year: 19148 Days

Day: 20.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,408,196 km

• M1: 59,091 km (0.057 R)
• M2: 2,179,043 km (0.079 R)
• M3: 2,807,054 km (0.078 R)
• M4: 3,034,443 km (0.093 R)
• M5: 6,088,484 km (0.107 R)
• M6: 6,665,184 km (0.065 R)
• M7: 8,890,153 km (0.106 R)
• M8: 11,233,603 km (0.071 R)
• M9: 11,660,556 km (0.081 R)
• M10: 24,388,193 km (0.096 R)
• M11: 25,749,384 km (0.117 R)
• M12: 28,273,698 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 16,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit