🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 10.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.43 AU - 0.59 AU

Year: 247 Days

Day: 12.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,112,726 km

• M1: 129,701 km (0.104 R)
• M2: 460,013 km (0.065 R)
• M3: 847,472 km (0.116 R)
• M4: 1,267,244 km (0.092 R)
• M5: 1,850,974 km (0.12 R)
• M6: 2,187,570 km (0.074 R)
• M7: 2,516,685 km (0.107 R)
• M8: 2,986,721 km (0.101 R)
• M9: 3,345,008 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.8

Radius: 10.2

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 8.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,112,726 km

• M1: 126,859 km (0.08 R)
• M2: 553,961 km (0.086 R)
• M3: 882,328 km (0.082 R)
• M4: 1,312,273 km (0.096 R)
• M5: 1,676,843 km (0.114 R)
• M6: 2,038,869 km (0.081 R)
• M7: 2,426,777 km (0.088 R)
• M8: 2,805,259 km (0.039 R)
• M9: 3,897,623 km (0.104 R)
• M10: 4,262,193 km (0.115 R)
• M11: 4,608,512 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 8.2

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.89 AU - 0.91 AU

Year: 579 Days

Day: 14 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,112,726 km

• M1: 102,325 km (0.037 R)
• M2: 529,576 km (0.113 R)
• M3: 1,178,532 km (0.115 R)
• M4: 1,554,471 km (0.086 R)
• M5: 2,107,236 km (0.101 R)
• M6: 2,585,350 km (0.048 R)
• M7: 2,975,202 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 13.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.85 AU - 1.35 AU

Year: 782 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,112,726 km

• M1: 166,652 km (0.086 R)
• M2: 613,501 km (0.09 R)
• M3: 1,979,030 km (0.104 R)
• M4: 2,400,447 km (0.097 R)
• M5: 3,193,615 km (0.082 R)
• M6: 3,614,584 km (0.031 R)
• M7: 4,352,251 km (0.12 R)
• M8: 4,826,177 km (0.073 R)
• M9: 5,517,618 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 10.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.76 AU - 2.78 AU

Year: 2320 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,112,726 km

• M1: 138,528 km (0.099 R)
• M2: 617,091 km (0.05 R)
• M3: 1,010,982 km (0.061 R)
• M4: 1,652,009 km (0.117 R)
• M5: 2,521,921 km (0.084 R)
• M6: 3,281,878 km (0.104 R)
• M7: 4,132,791 km (0.12 R)
• M8: 5,473,786 km (0.086 R)
• M9: 6,171,211 km (0.034 R)
• M10: 6,771,099 km (0.048 R)
• M11: 7,856,880 km (0.03 R)
• M12: 8,381,819 km (0.043 R)
• M13: 10,336,764 km (0.117 R)
• M14: 12,500,548 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 12.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.43 AU - 3.61 AU

Year: 3560 Days

Day: 5.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,112,726 km

• M1: 156,479 km (0.055 R)
• M2: 651,200 km (0.117 R)
• M3: 1,092,962 km (0.032 R)
• M4: 2,291,690 km (0.032 R)
• M5: 2,743,924 km (0.047 R)
• M6: 5,782,706 km (0.082 R)
• M7: 8,783,489 km (0.081 R)
• M8: 12,788,972 km (0.11 R)
• M9: 13,880,887 km (0.112 R)
• M10: 15,033,838 km (0.087 R)
• M11: 16,141,311 km (0.115 R)
• M12: 16,742,694 km (0.082 R)
• M13: 17,302,490 km (0.114 R)
• M14: 21,250,228 km (0.101 R)
• M15: 21,708,297 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 8.1

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.06 AU - 4.04 AU

Year: 4537 Days

Day: 12.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,112,726 km

• M1: 100,679 km (0.111 R)
• M2: 387,907 km (0.065 R)
• M3: 1,042,548 km (0.103 R)
• M4: 1,319,603 km (0.078 R)
• M5: 2,653,417 km (0.119 R)
• M6: 3,487,725 km (0.114 R)
• M7: 3,907,945 km (0.092 R)
• M8: 4,336,693 km (0.042 R)
• M9: 5,038,456 km (0.1 R)
• M10: 6,277,575 km (0.037 R)
• M11: 10,068,535 km (0.109 R)
• M12: 10,332,875 km (0.057 R)
• M13: 11,153,419 km (0.113 R)
• M14: 13,183,911 km (0.115 R)
• M15: 13,660,530 km (0.071 R)
• M16: 16,765,583 km (0.114 R)
• M17: 20,241,789 km (0.063 R)
• M18: 25,287,575 km (0.117 R)
• M19: 26,773,681 km (0.092 R)
• M20: 29,828,319 km (0.09 R)
• M21: 30,282,947 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 10,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit