🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 12.2

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.5 AU - 0.74 AU

Year: 343 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,379,430 km

• M1: 151,692 km (0.106 R)
• M2: 631,901 km (0.076 R)
• M3: 1,078,750 km (0.099 R)
• M4: 1,487,601 km (0.114 R)
• M5: 1,868,178 km (0.083 R)
• M6: 2,323,554 km (0.09 R)
• M7: 3,691,477 km (0.105 R)
• M8: 4,169,143 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.6

Radius: 8.3

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.75 AU - 0.75 AU

Year: 457 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,379,430 km

• M1: 103,223 km (0.098 R)
• M2: 364,420 km (0.049 R)
• M3: 639,381 km (0.08 R)
• M4: 904,768 km (0.102 R)
• M5: 2,304,406 km (0.089 R)
• M6: 2,594,775 km (0.105 R)
• M7: 3,395,423 km (0.077 R)
• M8: 3,834,642 km (0.115 R)
• M9: 4,683,610 km (0.12 R)
• M10: 5,062,242 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.2

Radius: 10.3

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.66 AU - 0.92 AU

Year: 494 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,379,430 km

• M1: 128,056 km (0.077 R)
• M2: 481,556 km (0.1 R)
• M3: 861,833 km (0.088 R)
• M4: 1,251,536 km (0.05 R)
• M5: 1,823,598 km (0.091 R)
• M6: 2,293,335 km (0.081 R)
• M7: 2,721,784 km (0.113 R)
• M8: 3,768,221 km (0.069 R)
• M9: 4,474,323 km (0.102 R)
• M10: 4,818,847 km (0.105 R)
• M11: 5,438,780 km (0.083 R)
• M12: 6,555,977 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 14.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.8 AU - 1.14 AU

Year: 672 Days

Day: 9.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,379,430 km

• M1: 175,329 km (0.082 R)
• M2: 652,247 km (0.117 R)
• M3: 1,106,725 km (0.113 R)
• M4: 1,719,927 km (0.049 R)
• M5: 2,202,380 km (0.061 R)
• M6: 2,775,938 km (0.119 R)
• M7: 3,409,335 km (0.03 R)
• M8: 3,946,541 km (0.104 R)
• M9: 5,088,721 km (0.052 R)
• M10: 5,793,926 km (0.097 R)
• M11: 6,299,716 km (0.099 R)
• M12: 6,792,641 km (0.085 R)
• M13: 7,763,980 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 14.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1 AU - 1.38 AU

Year: 912 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,379,430 km

• M1: 204,949 km (0.114 R)
• M2: 669,450 km (0.106 R)
• M3: 1,798,914 km (0.066 R)
• M4: 2,676,156 km (0.086 R)
• M5: 3,473,513 km (0.099 R)
• M6: 4,439,317 km (0.046 R)
• M7: 5,056,558 km (0.083 R)
• M8: 5,886,676 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 8.4

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.98 AU - 5.76 AU

Year: 8747 Days

Day: 7.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,379,430 km

• M1: 104,719 km (0.085 R)
• M2: 378,782 km (0.072 R)
• M3: 682,615 km (0.106 R)
• M4: 970,142 km (0.118 R)
• M5: 1,386,473 km (0.068 R)
• M6: 2,455,051 km (0.111 R)
• M7: 2,749,310 km (0.054 R)
• M8: 3,498,945 km (0.097 R)
• M9: 4,299,892 km (0.073 R)
• M10: 5,013,025 km (0.103 R)
• M11: 6,061,706 km (0.102 R)
• M12: 6,362,248 km (0.09 R)
• M13: 7,665,694 km (0.054 R)
• M14: 7,938,561 km (0.086 R)
• M15: 8,669,945 km (0.111 R)
• M16: 9,225,701 km (0.112 R)
• M17: 11,184,086 km (0.109 R)
• M18: 15,099,362 km (0.032 R)
• M19: 16,671,037 km (0.114 R)
• M20: 19,989,118 km (0.111 R)
• M21: 20,358,325 km (0.113 R)
• M22: 22,193,891 km (0.063 R)
• M23: 24,724,638 km (0.077 R)
• M24: 27,080,356 km (0.107 R)
• M25: 31,930,918 km (0.108 R)
• M26: 35,038,963 km (0.083 R)
• M27: 36,776,393 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.6

Radius: 3.7

Gravity: 66.81 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.03 AU - 9.85 AU

Year: 15727 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,379,430 km

• M1: 46,375 km (0.11 R)
• M2: 669,600 km (0.078 R)
• M3: 815,907 km (0.098 R)
• M4: 995,574 km (0.027 R)
• M5: 1,160,580 km (0.083 R)
• M6: 1,450,052 km (0.119 R)
• M7: 1,679,984 km (0.092 R)
• M8: 1,877,304 km (0.067 R)
• M9: 2,849,690 km (0.117 R)
• M10: 3,291,602 km (0.055 R)
• M11: 3,514,802 km (0.081 R)
• M12: 3,807,715 km (0.103 R)
• M13: 4,749,732 km (0.082 R)
• M14: 5,255,822 km (0.084 R)
• M15: 6,081,153 km (0.074 R)
• M16: 9,397,589 km (0.07 R)
• M17: 9,620,190 km (0.113 R)
• M18: 14,770,995 km (0.112 R)
• M19: 25,361,925 km (0.105 R)
• M20: 28,951,975 km (0.1 R)
• M21: 29,069,409 km (0.075 R)
• M22: 33,897,382 km (0.107 R)
• M23: 34,949,803 km (0.072 R)
• M24: 37,119,271 km (0.088 R)
• M25: 37,815,350 km (0.075 R)
• M26: 40,246,614 km (0.105 R)
• M27: 47,506,898 km (0.096 R)
• M28: 51,529,735 km (0.108 R)
• M29: 52,395,457 km (0.096 R)
• M30: 56,870,079 km (0.092 R)
• M31: 57,423,591 km (0.11 R)
• M32: 57,608,794 km (0.109 R)
• M33: 60,244,858 km (0.111 R)
• M34: 66,162,052 km (0.102 R)
• M35: 68,009,885 km (0.075 R)
• M36: 70,526,869 km (0.104 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: 487 - 19,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit