🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

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: 19.8

Radius: 9.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.62 AU - 0.66 AU

Year: 341 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 73,295,671 km

• M1: 120,725 km (0.107 R)
• M2: 553,811 km (0.098 R)
• M3: 1,207,105 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.7

Radius: 12.8

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.74 AU - 0.8 AU

Year: 451 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,295,671 km

• M1: 159,172 km (0.103 R)
• M2: 855,401 km (0.116 R)
• M3: 1,399,039 km (0.032 R)
• M4: 2,156,453 km (0.099 R)
• M5: 2,653,866 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.8

Radius: 9.6

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.11 AU - 1.25 AU

Year: 855 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,295,671 km

• M1: 119,529 km (0.085 R)
• M2: 449,542 km (0.099 R)
• M3: 1,229,994 km (0.025 R)
• M4: 1,682,078 km (0.1 R)
• M5: 2,006,706 km (0.111 R)
• M6: 2,822,164 km (0.109 R)
• M7: 3,691,178 km (0.039 R)
• M8: 4,279,097 km (0.083 R)
• M9: 4,587,120 km (0.083 R)
• M10: 6,226,413 km (0.065 R)
• M11: 8,069,010 km (0.059 R)
• M12: 8,920,970 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 14

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.41 AU - 2.03 AU

Year: 1504 Days

Day: 14.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,295,671 km

• M1: 174,132 km (0.12 R)
• M2: 1,177,485 km (0.081 R)
• M3: 2,224,820 km (0.083 R)
• M4: 2,735,397 km (0.06 R)
• M5: 3,674,722 km (0.045 R)
• M6: 4,799,548 km (0.113 R)
• M7: 6,527,254 km (0.087 R)
• M8: 7,056,382 km (0.112 R)
• M9: 7,889,941 km (0.072 R)
• M10: 8,818,495 km (0.115 R)
• M11: 9,403,423 km (0.099 R)
• M12: 10,245,809 km (0.119 R)
• M13: 12,231,272 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.9 AU - 2.64 AU

Year: 2281 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,295,671 km

• M1: 115,041 km (0.106 R)
• M2: 632,350 km (0.114 R)
• M3: 1,572,423 km (0.075 R)
• M4: 2,010,595 km (0.11 R)
• M5: 2,487,214 km (0.118 R)
• M6: 3,482,638 km (0.117 R)
• M7: 4,628,109 km (0.111 R)
• M8: 5,639,541 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 10.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.01 AU - 3.15 AU

Year: 2763 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,295,671 km

• M1: 132,095 km (0.11 R)
• M2: 666,907 km (0.095 R)
• M3: 1,052,571 km (0.066 R)
• M4: 1,937,741 km (0.106 R)
• M5: 2,949,621 km (0.115 R)
• M6: 3,663,652 km (0.079 R)
• M7: 4,573,805 km (0.099 R)
• M8: 6,212,201 km (0.106 R)
• M9: 7,835,637 km (0.091 R)
• M10: 10,566,846 km (0.12 R)
• M11: 11,141,750 km (0.045 R)
• M12: 13,832,118 km (0.11 R)
• M13: 16,366,007 km (0.092 R)
• M14: 17,769,085 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 9.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.35 AU - 3.71 AU

Year: 3517 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,295,671 km

• M1: 151,094 km (0.098 R)
• M2: 596,746 km (0.056 R)
• M3: 1,098,048 km (0.114 R)
• M4: 1,449,753 km (0.053 R)
• M5: 1,939,237 km (0.091 R)
• M6: 2,460,735 km (0.105 R)
• M7: 3,021,428 km (0.12 R)
• M8: 3,416,067 km (0.115 R)
• M9: 3,906,000 km (0.108 R)
• M10: 4,331,307 km (0.102 R)
• M11: 4,647,108 km (0.104 R)
• M12: 5,224,556 km (0.026 R)
• M13: 5,583,142 km (0.062 R)
• M14: 6,378,404 km (0.071 R)
• M15: 7,436,510 km (0.03 R)
• M16: 7,792,104 km (0.093 R)
• M17: 8,159,068 km (0.113 R)
• M18: 10,170,112 km (0.075 R)
• M19: 10,528,100 km (0.113 R)
• M20: 11,185,433 km (0.113 R)
• M21: 11,609,992 km (0.116 R)
• M22: 12,581,929 km (0.115 R)
• M23: 14,436,643 km (0.04 R)
• M24: 14,940,190 km (0.05 R)
• M25: 19,037,975 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.4

Radius: 14.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.12 AU - 5.16 AU

Year: 6665 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,295,671 km

• M1: 177,722 km (0.091 R)
• M2: 1,544,748 km (0.094 R)
• M3: 2,040,066 km (0.115 R)
• M4: 2,610,333 km (0.1 R)
• M5: 3,212,016 km (0.081 R)
• M6: 3,905,402 km (0.049 R)
• M7: 5,458,976 km (0.107 R)
• M8: 5,954,743 km (0.088 R)
• M9: 6,480,729 km (0.109 R)
• M10: 8,283,234 km (0.109 R)
• M11: 9,553,170 km (0.117 R)
• M12: 10,863,498 km (0.095 R)
• M13: 11,562,120 km (0.097 R)
• M14: 13,940,427 km (0.037 R)
• M15: 21,082,978 km (0.099 R)
• M16: 21,758,711 km (0.102 R)
• M17: 22,940,684 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.9

Radius: 5.9

Gravity: 22.52 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.1 AU - 10.68 AU

Year: 17676 Days

Day: 21 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,295,671 km

• M1: 101,876 km (0.109 R)
• M2: 346,020 km (0.101 R)
• M3: 842,535 km (0.099 R)
• M4: 1,330,823 km (0.112 R)
• M5: 1,629,570 km (0.07 R)
• M6: 2,472,703 km (0.117 R)
• M7: 3,377,022 km (0.094 R)
• M8: 3,692,823 km (0.114 R)
• M9: 4,517,856 km (0.118 R)
• M10: 4,865,820 km (0.114 R)
• M11: 5,498,320 km (0.058 R)
• M12: 6,226,114 km (0.065 R)
• M13: 7,483,035 km (0.109 R)
• M14: 8,070,356 km (0.027 R)
• M15: 8,478,609 km (0.109 R)
• M16: 9,008,185 km (0.117 R)
• M17: 9,391,904 km (0.117 R)
• M18: 9,672,550 km (0.08 R)
• M19: 10,309,687 km (0.075 R)
• M20: 13,562,393 km (0.055 R)
• M21: 16,939,864 km (0.049 R)
• M22: 29,266,280 km (0.092 R)
• M23: 32,726,329 km (0.048 R)
• M24: 35,223,567 km (0.107 R)
• M25: 35,765,111 km (0.091 R)
• M26: 40,593,681 km (0.108 R)
• M27: 45,359,122 km (0.078 R)
• M28: 52,567,645 km (0.107 R)
• M29: 57,463,384 km (0.114 R)
• M30: 60,117,550 km (0.108 R)
• M31: 63,050,865 km (0.078 R)
• M32: 64,855,763 km (0.098 R)
• M33: 69,624,495 km (0.082 R)
• M34: 71,120,922 km (0.071 R)
• M35: 73,295,626 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 18,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit