🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.78 AU - 1.1 AU

Year: 330 Days

Day: 43.3 Hours

Environment

Temp: 79 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.93 AU - 2.15 AU

Year: 1054 Days

Day: 23.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.61 AU - 2.63 AU

Year: 1116 Days

Day: 29.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,163,766 km

• M1: 356,043 km (0.061 R)
• M2: 1,379,442 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.81 AU - 3.95 AU

Year: 2764 Days

Day: 36.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.3

Radius: 13.6

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.05 AU - 7.51 AU

Year: 7104 Days

Day: 14.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 101,163,766 km

• M1: 211,083 km (0.112 R)
• M2: 305,778 km (0.066 R)
• M3: 479,312 km (0.079 R)
• M4: 637,287 km (0.092 R)
• M5: 961,466 km (0.115 R)
• M6: 1,414,747 km (0.084 R)
• M7: 1,759,869 km (0.1 R)
• M8: 1,953,748 km (0.084 R)
• M9: 2,086,890 km (0.114 R)
• M10: 2,269,549 km (0.029 R)
• M11: 2,362,898 km (0.098 R)
• M12: 2,505,316 km (0.082 R)
• M13: 2,650,874 km (0.09 R)
• M14: 2,824,258 km (0.094 R)
• M15: 3,942,951 km (0.11 R)
• M16: 4,027,773 km (0.082 R)
• M17: 4,315,001 km (0.099 R)
• M18: 4,490,479 km (0.104 R)
• M19: 4,788,478 km (0.113 R)
• M20: 5,031,575 km (0.089 R)
• M21: 5,341,242 km (0.076 R)
• M22: 5,689,207 km (0.077 R)
• M23: 5,914,501 km (0.088 R)
• M24: 6,011,890 km (0.099 R)
• M25: 6,641,697 km (0.055 R)
• M26: 7,153,920 km (0.081 R)
• M27: 7,714,463 km (0.114 R)
• M28: 7,821,126 km (0.118 R)
• M29: 8,180,311 km (0.096 R)
• M30: 8,289,218 km (0.064 R)
• M31: 8,398,424 km (0.069 R)
• M32: 8,952,385 km (0.064 R)
• M33: 9,139,532 km (0.076 R)
• M34: 9,594,310 km (0.049 R)
• M35: 9,824,541 km (0.101 R)
• M36: 10,251,344 km (0.082 R)
• M37: 11,243,926 km (0.114 R)
• M38: 11,568,104 km (0.061 R)
• M39: 11,936,414 km (0.11 R)
• M40: 12,060,132 km (0.064 R)
• M41: 12,475,266 km (0.076 R)
• M42: 13,362,680 km (0.063 R)
• M43: 15,064,356 km (0.102 R)
• M44: 16,054,095 km (0.089 R)
• M45: 17,251,028 km (0.097 R)
• M46: 18,286,096 km (0.111 R)
• M47: 18,428,812 km (0.111 R)
• M48: 18,667,421 km (0.1 R)
• M49: 19,003,268 km (0.105 R)
• M50: 21,913,096 km (0.039 R)
• M51: 22,470,797 km (0.103 R)
• M52: 23,136,059 km (0.118 R)
• M53: 25,647,807 km (0.082 R)
• M54: 25,754,321 km (0.049 R)
• M55: 27,751,602 km (0.114 R)
• M56: 29,129,249 km (0.058 R)
• M57: 30,755,078 km (0.086 R)
• M58: 31,607,487 km (0.116 R)
• M59: 32,007,960 km (0.116 R)
• M60: 33,219,554 km (0.092 R)
• M61: 33,801,788 km (0.086 R)
• M62: 34,035,610 km (0.118 R)
• M63: 34,387,315 km (0.116 R)
• M64: 34,504,898 km (0.061 R)
• M65: 34,799,307 km (0.117 R)
• M66: 35,390,518 km (0.092 R)
• M67: 35,509,149 km (0.05 R)
• M68: 35,687,470 km (0.114 R)
• M69: 35,865,940 km (0.086 R)
• M70: 36,463,284 km (0.114 R)
• M71: 38,274,765 km (0.119 R)
• M72: 38,823,939 km (0.04 R)
• M73: 39,560,110 km (0.12 R)
• M74: 40,053,483 km (0.071 R)
• M75: 40,363,001 km (0.076 R)
• M76: 40,487,018 km (0.119 R)
• M77: 41,796,598 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.8

Radius: 6.3

Gravity: 19.85 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 17.44 AU - 19.4 AU

Year: 28591 Days

Day: 23.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 101,163,766 km

• M1: 264,040 km (0.12 R)
• M2: 408,253 km (0.107 R)
• M3: 577,597 km (0.102 R)
• M4: 657,034 km (0.106 R)
• M5: 712,086 km (0.115 R)
• M6: 856,897 km (0.096 R)
• M7: 1,108,371 km (0.059 R)
• M8: 1,417,889 km (0.071 R)
• M9: 1,676,843 km (0.115 R)
• M10: 1,831,377 km (0.118 R)
• M11: 1,870,871 km (0.036 R)
• M12: 3,038,183 km (0.045 R)
• M13: 4,123,815 km (0.029 R)
• M14: 4,332,953 km (0.037 R)
• M15: 6,068,737 km (0.107 R)
• M16: 6,608,486 km (0.084 R)
• M17: 6,730,558 km (0.049 R)
• M18: 7,352,137 km (0.086 R)
• M19: 7,478,547 km (0.096 R)
• M20: 7,605,855 km (0.107 R)
• M21: 7,669,733 km (0.12 R)
• M22: 8,782,741 km (0.107 R)
• M23: 8,849,761 km (0.059 R)
• M24: 10,367,282 km (0.053 R)
• M25: 11,374,225 km (0.117 R)
• M26: 11,963,491 km (0.102 R)
• M27: 13,171,644 km (0.112 R)
• M28: 15,783,323 km (0.038 R)
• M29: 16,771,567 km (0.115 R)
• M30: 17,694,885 km (0.082 R)
• M31: 18,548,640 km (0.076 R)
• M32: 20,118,819 km (0.111 R)
• M33: 21,731,035 km (0.086 R)
• M34: 24,226,328 km (0.034 R)
• M35: 24,603,614 km (0.078 R)
• M36: 24,887,850 km (0.069 R)
• M37: 25,843,182 km (0.026 R)
• M38: 26,422,126 km (0.057 R)
• M39: 26,519,065 km (0.12 R)
• M40: 29,280,193 km (0.091 R)
• M41: 29,380,573 km (0.069 R)
• M42: 29,581,483 km (0.116 R)
• M43: 31,000,718 km (0.096 R)
• M44: 32,131,229 km (0.085 R)
• M45: 32,753,706 km (0.115 R)
• M46: 33,589,659 km (0.078 R)
• M47: 33,905,011 km (0.092 R)
• M48: 34,963,117 km (0.111 R)
• M49: 37,655,579 km (0.09 R)
• M50: 38,640,980 km (0.114 R)
• M51: 39,081,696 km (0.094 R)
• M52: 39,968,213 km (0.082 R)
• M53: 42,894,497 km (0.034 R)
• M54: 44,383,295 km (0.097 R)
• M55: 45,192,021 km (0.041 R)
• M56: 45,772,610 km (0.112 R)
• M57: 46,941,269 km (0.088 R)
• M58: 47,176,137 km (0.093 R)
• M59: 49,307,757 km (0.111 R)
• M60: 49,666,044 km (0.089 R)
• M61: 49,785,723 km (0.076 R)
• M62: 50,145,206 km (0.105 R)
• M63: 51,470,643 km (0.107 R)
• M64: 52,563,605 km (0.094 R)
• M65: 53,174,114 km (0.09 R)
• M66: 53,909,837 km (0.074 R)
• M67: 57,136,812 km (0.086 R)
• M68: 57,387,538 km (0.069 R)
• M69: 59,407,110 km (0.039 R)
• M70: 64,557,016 km (0.103 R)
• M71: 67,052,758 km (0.119 R)
• M72: 67,847,421 km (0.08 R)
• M73: 69,178,843 km (0.116 R)
• M74: 71,461,856 km (0.119 R)
• M75: 73,496,835 km (0.096 R)
• M76: 75,963,854 km (0.11 R)
• M77: 77,623,493 km (0.103 R)
• M78: 79,015,651 km (0.119 R)
• M79: 81,542,209 km (0.059 R)
• M80: 82,531,948 km (0.059 R)
• M81: 83,810,262 km (0.095 R)
• M82: 84,952,143 km (0.082 R)
• M83: 85,955,346 km (0.077 R)
• M84: 87,973,721 km (0.075 R)
• M85: 88,263,342 km (0.116 R)
• M86: 88,408,302 km (0.078 R)
• M87: 88,553,263 km (0.062 R)
• M88: 89,570,528 km (0.067 R)
• M89: 93,677,887 km (0.074 R)
• M90: 98,146,376 km (0.112 R)
• M91: 98,597,114 km (0.102 R)
• M92: 99,500,386 km (0.093 R)
• M93: 99,802,125 km (0.094 R)
• M94: 100,255,407 km (0.045 R)
• M95: 100,860,680 km (0.098 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 14,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit