🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.1

Radius: 9.8

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.47 AU - 0.65 AU

Year: 295 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,845,044 km

• M1: 121,922 km (0.094 R)
• M2: 453,581 km (0.074 R)
• M3: 759,658 km (0.088 R)
• M4: 1,150,557 km (0.098 R)
• M5: 1,577,659 km (0.069 R)
• M6: 2,047,247 km (0.047 R)
• M7: 3,796,196 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.2

Radius: 11.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.63 AU - 0.67 AU

Year: 368 Days

Day: 12.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,845,044 km

• M1: 146,905 km (0.118 R)
• M2: 613,650 km (0.092 R)
• M3: 981,661 km (0.081 R)
• M4: 1,358,199 km (0.113 R)
• M5: 1,811,780 km (0.114 R)
• M6: 2,203,128 km (0.067 R)
• M7: 2,641,749 km (0.105 R)
• M8: 4,020,742 km (0.108 R)
• M9: 4,499,455 km (0.085 R)
• M10: 5,106,075 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192

Radius: 10.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.81 AU - 0.89 AU

Year: 551 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 129.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,845,044 km

• M1: 135,536 km (0.117 R)
• M2: 526,435 km (0.03 R)
• M3: 986,299 km (0.088 R)
• M4: 1,514,828 km (0.104 R)
• M5: 1,870,721 km (0.072 R)
• M6: 2,803,314 km (0.047 R)
• M7: 4,021,490 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 10.2

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.13 AU - 1.47 AU

Year: 1042 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,845,044 km

• M1: 127,308 km (0.047 R)
• M2: 548,875 km (0.069 R)
• M3: 1,003,203 km (0.103 R)
• M4: 1,323,044 km (0.062 R)
• M5: 1,778,270 km (0.073 R)
• M6: 2,102,299 km (0.103 R)
• M7: 2,663,740 km (0.085 R)
• M8: 4,456,072 km (0.087 R)
• M9: 7,137,913 km (0.074 R)
• M10: 7,807,662 km (0.034 R)
• M11: 8,575,249 km (0.084 R)
• M12: 10,196,591 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.8

Radius: 6.1

Gravity: 23 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.18 AU - 6.46 AU

Year: 11168 Days

Day: 15.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,845,044 km

• M1: 76,445 km (0.087 R)
• M2: 353,350 km (0.099 R)
• M3: 1,006,943 km (0.117 R)
• M4: 1,333,665 km (0.083 R)
• M5: 1,945,969 km (0.074 R)
• M6: 2,237,835 km (0.028 R)
• M7: 3,681,155 km (0.114 R)
• M8: 3,985,287 km (0.093 R)
• M9: 4,396,382 km (0.077 R)
• M10: 5,837,608 km (0.069 R)
• M11: 6,725,471 km (0.043 R)
• M12: 7,655,970 km (0.09 R)
• M13: 8,526,331 km (0.07 R)
• M14: 9,208,497 km (0.095 R)
• M15: 13,110,907 km (0.085 R)
• M16: 14,420,038 km (0.065 R)
• M17: 15,813,991 km (0.101 R)
• M18: 17,679,776 km (0.107 R)
• M19: 18,465,613 km (0.105 R)
• M20: 20,875,784 km (0.108 R)
• M21: 22,838,509 km (0.091 R)
• M22: 25,411,293 km (0.042 R)
• M23: 25,708,544 km (0.088 R)
• M24: 35,374,062 km (0.099 R)
• M25: 42,449,443 km (0.107 R)
• M26: 44,858,118 km (0.064 R)
• M27: 47,806,543 km (0.054 R)
• M28: 50,881,826 km (0.09 R)
• M29: 51,196,430 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.8

Radius: 6.7

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.31 AU - 8.73 AU

Year: 14496 Days

Day: 15.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,845,044 km

• M1: 83,326 km (0.057 R)
• M2: 540,796 km (0.066 R)
• M3: 851,960 km (0.113 R)
• M4: 1,306,139 km (0.084 R)
• M5: 2,150,021 km (0.071 R)
• M6: 3,013,799 km (0.119 R)
• M7: 3,417,414 km (0.091 R)
• M8: 5,119,389 km (0.038 R)
• M9: 5,620,242 km (0.112 R)
• M10: 5,844,639 km (0.067 R)
• M11: 7,633,082 km (0.087 R)
• M12: 11,159,253 km (0.093 R)
• M13: 11,454,859 km (0.114 R)
• M14: 13,012,023 km (0.071 R)
• M15: 15,349,041 km (0.104 R)
• M16: 18,853,520 km (0.083 R)
• M17: 20,657,820 km (0.119 R)
• M18: 22,857,208 km (0.118 R)
• M19: 23,430,467 km (0.1 R)
• M20: 27,286,203 km (0.044 R)
• M21: 31,662,240 km (0.104 R)
• M22: 33,340,877 km (0.109 R)
• M23: 33,954,378 km (0.098 R)
• M24: 34,450,744 km (0.111 R)
• M25: 39,682,630 km (0.059 R)
• M26: 45,871,644 km (0.115 R)
• M27: 46,783,293 km (0.112 R)
• M28: 50,069,360 km (0.101 R)
• M29: 52,178,840 km (0.077 R)
• M30: 53,338,971 km (0.051 R)
• M31: 55,710,546 km (0.113 R)
• M32: 56,922,289 km (0.079 R)
• M33: 58,328,659 km (0.059 R)
• M34: 59,398,433 km (0.108 R)
• M35: 60,118,747 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 19,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit