🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.57 AU - 0.91 AU

Year: 244 Days

Day: 14.9 Hours

Environment

Temp: 77 °C

Axial Tilt: 122.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.91 AU - 1.27 AU

Year: 436 Days

Day: 23.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 13.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.95 AU - 1.23 AU

Year: 436 Days

Day: 16 Hours

Environment

Temp: -5 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.17 AU - 1.81 AU

Year: 696 Days

Day: 38.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.95 AU - 2.31 AU

Year: 1190 Days

Day: 41.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.95 AU - 2.33 AU

Year: 1199 Days

Day: 15.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.16 AU - 2.3 AU

Year: 1275 Days

Day: 24.4 Hours

Environment

Temp: -96 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 9.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5 AU - 5.68 AU

Year: 4725 Days

Day: 10.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 89,294,548 km

• M1: 162,762 km (0.086 R)
• M2: 290,669 km (0.095 R)
• M3: 510,727 km (0.043 R)
• M4: 698,024 km (0.091 R)
• M5: 828,174 km (0.081 R)
• M6: 1,267,992 km (0.106 R)
• M7: 1,878,201 km (0.032 R)
• M8: 2,016,579 km (0.099 R)
• M9: 2,502,024 km (0.069 R)
• M10: 2,775,639 km (0.11 R)
• M11: 2,933,913 km (0.082 R)
• M12: 3,041,026 km (0.097 R)
• M13: 3,277,689 km (0.075 R)
• M14: 3,769,118 km (0.07 R)
• M15: 4,043,331 km (0.069 R)
• M16: 4,102,871 km (0.056 R)
• M17: 4,303,781 km (0.049 R)
• M18: 4,549,122 km (0.11 R)
• M19: 4,820,193 km (0.096 R)
• M20: 4,883,473 km (0.114 R)
• M21: 5,032,323 km (0.084 R)
• M22: 5,334,510 km (0.1 R)
• M23: 5,531,830 km (0.109 R)
• M24: 6,115,561 km (0.031 R)
• M25: 6,253,041 km (0.113 R)
• M26: 6,554,631 km (0.087 R)
• M27: 6,624,792 km (0.11 R)
• M28: 6,695,402 km (0.114 R)
• M29: 6,884,644 km (0.094 R)
• M30: 7,220,042 km (0.075 R)
• M31: 7,610,044 km (0.065 R)
• M32: 8,157,572 km (0.035 R)
• M33: 8,538,149 km (0.094 R)
• M34: 8,640,623 km (0.073 R)
• M35: 9,106,770 km (0.112 R)
• M36: 10,090,676 km (0.061 R)
• M37: 10,362,495 km (0.11 R)
• M38: 10,499,227 km (0.119 R)
• M39: 10,774,637 km (0.086 R)
• M40: 11,332,487 km (0.067 R)
• M41: 11,757,046 km (0.061 R)
• M42: 11,899,763 km (0.102 R)
• M43: 12,215,713 km (0.104 R)
• M44: 12,302,330 km (0.058 R)
• M45: 12,476,163 km (0.076 R)
• M46: 12,738,707 km (0.1 R)
• M47: 13,002,897 km (0.103 R)
• M48: 13,328,273 km (0.117 R)
• M49: 13,387,813 km (0.119 R)
• M50: 13,507,042 km (0.053 R)
• M51: 13,656,490 km (0.103 R)
• M52: 13,716,479 km (0.109 R)
• M53: 14,534,331 km (0.086 R)
• M54: 14,595,516 km (0.072 R)
• M55: 15,181,342 km (0.054 R)
• M56: 15,305,657 km (0.064 R)
• M57: 15,743,381 km (0.069 R)
• M58: 16,027,018 km (0.094 R)
• M59: 16,312,451 km (0.072 R)
• M60: 16,823,777 km (0.082 R)
• M61: 16,952,431 km (0.11 R)
• M62: 17,049,071 km (0.09 R)
• M63: 17,243,099 km (0.087 R)
• M64: 17,340,338 km (0.03 R)
• M65: 17,927,809 km (0.112 R)
• M66: 18,125,128 km (0.077 R)
• M67: 18,621,494 km (0.111 R)
• M68: 18,754,636 km (0.113 R)
• M69: 18,954,798 km (0.103 R)
• M70: 19,122,348 km (0.071 R)
• M71: 19,966,828 km (0.102 R)
• M72: 21,587,422 km (0.106 R)
• M73: 22,857,059 km (0.119 R)
• M74: 22,928,267 km (0.116 R)
• M75: 23,035,230 km (0.096 R)
• M76: 23,608,788 km (0.056 R)
• M77: 24,005,821 km (0.085 R)
• M78: 24,295,891 km (0.115 R)
• M79: 24,368,596 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.2

Radius: 4.4

Gravity: 37.46 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 15.85 AU - 16.33 AU

Year: 24712 Days

Day: 19.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 89,294,548 km

• M1: 69,413 km (0.116 R)
• M2: 235,317 km (0.1 R)
• M3: 307,124 km (0.035 R)
• M4: 386,561 km (0.091 R)
• M5: 1,022,651 km (0.059 R)
• M6: 1,052,421 km (0.108 R)
• M7: 1,851,124 km (0.102 R)
• M8: 2,227,363 km (0.078 R)
• M9: 2,919,103 km (0.106 R)
• M10: 3,178,207 km (0.115 R)
• M11: 3,310,451 km (0.062 R)
• M12: 3,399,612 km (0.057 R)
• M13: 3,444,491 km (0.108 R)
• M14: 3,672,029 km (0.102 R)
• M15: 3,951,329 km (0.029 R)
• M16: 4,237,509 km (0.12 R)
• M17: 5,606,180 km (0.102 R)
• M18: 6,365,090 km (0.092 R)
• M19: 7,213,310 km (0.072 R)
• M20: 7,857,628 km (0.109 R)
• M21: 11,276,687 km (0.11 R)
• M22: 12,022,433 km (0.108 R)
• M23: 12,228,579 km (0.109 R)
• M24: 12,297,543 km (0.097 R)
• M25: 12,853,898 km (0.076 R)
• M26: 13,064,681 km (0.099 R)
• M27: 13,561,047 km (0.068 R)
• M28: 14,063,397 km (0.078 R)
• M29: 16,818,391 km (0.101 R)
• M30: 17,280,499 km (0.118 R)
• M31: 17,590,914 km (0.106 R)
• M32: 17,824,885 km (0.118 R)
• M33: 20,711,825 km (0.057 R)
• M34: 20,958,961 km (0.087 R)
• M35: 24,518,642 km (0.117 R)
• M36: 25,217,713 km (0.096 R)
• M37: 25,834,655 km (0.106 R)
• M38: 27,624,444 km (0.077 R)
• M39: 28,169,279 km (0.112 R)
• M40: 28,534,298 km (0.107 R)
• M41: 29,361,574 km (0.105 R)
• M42: 31,322,204 km (0.063 R)
• M43: 32,270,654 km (0.059 R)
• M44: 32,461,392 km (0.051 R)
• M45: 32,748,320 km (0.064 R)
• M46: 33,036,147 km (0.045 R)
• M47: 33,904,413 km (0.069 R)
• M48: 34,098,441 km (0.089 R)
• M49: 34,195,530 km (0.104 R)
• M50: 35,171,955 km (0.092 R)
• M51: 36,852,687 km (0.116 R)
• M52: 37,151,883 km (0.12 R)
• M53: 38,761,855 km (0.114 R)
• M54: 39,371,317 km (0.102 R)
• M55: 40,086,545 km (0.111 R)
• M56: 40,702,888 km (0.097 R)
• M57: 41,737,208 km (0.098 R)
• M58: 42,049,119 km (0.081 R)
• M59: 42,257,509 km (0.05 R)
• M60: 42,361,928 km (0.042 R)
• M61: 43,304,694 km (0.091 R)
• M62: 45,104,506 km (0.081 R)
• M63: 45,211,169 km (0.105 R)
• M64: 45,745,533 km (0.081 R)
• M65: 46,067,168 km (0.108 R)
• M66: 46,604,823 km (0.117 R)
• M67: 47,036,563 km (0.093 R)
• M68: 48,448,617 km (0.093 R)
• M69: 49,654,376 km (0.109 R)
• M70: 50,205,644 km (0.118 R)
• M71: 50,426,749 km (0.092 R)
• M72: 52,095,215 km (0.072 R)
• M73: 55,486,149 km (0.119 R)
• M74: 55,943,620 km (0.071 R)
• M75: 57,785,918 km (0.103 R)
• M76: 58,249,671 km (0.116 R)
• M77: 61,175,656 km (0.119 R)
• M78: 63,192,534 km (0.031 R)
• M79: 64,629,272 km (0.116 R)
• M80: 64,869,825 km (0.113 R)
• M81: 65,231,104 km (0.056 R)
• M82: 66,076,781 km (0.059 R)
• M83: 67,778,906 km (0.085 R)
• M84: 68,023,199 km (0.085 R)
• M85: 68,880,694 km (0.095 R)
• M86: 69,618,660 km (0.08 R)
• M87: 70,235,452 km (0.118 R)
• M88: 74,604,159 km (0.052 R)
• M89: 75,235,312 km (0.116 R)
• M90: 75,868,411 km (0.043 R)
• M91: 80,348,568 km (0.1 R)
• M92: 83,339,179 km (0.102 R)
• M93: 83,600,975 km (0.054 R)
• M94: 84,256,513 km (0.109 R)
• M95: 85,045,492 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 15,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit