🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.54 AU - 0.66 AU

Year: 165 Days

Day: 43 Hours

Environment

Temp: 215 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.58 AU - 0.8 AU

Year: 203 Days

Day: 22.3 Hours

Environment

Temp: 203 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.62 AU - 0.94 AU

Year: 244 Days

Day: 26.4 Hours

Environment

Temp: 205 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 66,458,931 km

• M1: 337,194 km (0.119 R)
• M2: 383,120 km (0.058 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.78 AU - 1.12 AU

Year: 328 Days

Day: 27.3 Hours

Environment

Temp: 126 °C

Axial Tilt: 158.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,458,931 km

• M1: 804,238 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.85 AU - 1.41 AU

Year: 426 Days

Day: 22.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 120.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,458,931 km

• M1: 82,877 km (0.061 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.03 AU - 1.35 AU

Year: 461 Days

Day: 39.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 9.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.58 AU - 5.92 AU

Year: 4891 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 66,458,931 km

• M1: 125,513 km (0.036 R)
• M2: 203,004 km (0.082 R)
• M3: 283,787 km (0.104 R)
• M4: 413,189 km (0.073 R)
• M5: 518,057 km (0.038 R)
• M6: 593,604 km (0.034 R)
• M7: 714,928 km (0.102 R)
• M8: 1,054,964 km (0.068 R)
• M9: 1,141,432 km (0.07 R)
• M10: 1,295,368 km (0.082 R)
• M11: 1,415,345 km (0.106 R)
• M12: 1,483,712 km (0.11 R)
• M13: 1,581,399 km (0.109 R)
• M14: 1,783,207 km (0.116 R)
• M15: 2,966,376 km (0.086 R)
• M16: 3,108,345 km (0.058 R)
• M17: 3,216,205 km (0.114 R)
• M18: 3,399,013 km (0.108 R)
• M19: 3,491,764 km (0.046 R)
• M20: 3,794,101 km (0.025 R)
• M21: 3,890,293 km (0.076 R)
• M22: 3,987,382 km (0.085 R)
• M23: 4,085,368 km (0.092 R)
• M24: 4,203,850 km (0.097 R)
• M25: 4,303,482 km (0.05 R)
• M26: 4,938,974 km (0.075 R)
• M27: 5,128,963 km (0.083 R)
• M28: 5,735,433 km (0.085 R)
• M29: 6,024,905 km (0.085 R)
• M30: 6,273,387 km (0.088 R)
• M31: 6,594,723 km (0.107 R)
• M32: 6,664,286 km (0.054 R)
• M33: 6,921,445 km (0.107 R)
• M34: 7,110,536 km (0.118 R)
• M35: 7,229,616 km (0.095 R)
• M36: 8,081,427 km (0.106 R)
• M37: 8,155,926 km (0.074 R)
• M38: 8,305,524 km (0.114 R)
• M39: 8,582,430 km (0.077 R)
• M40: 8,862,178 km (0.106 R)
• M41: 9,667,014 km (0.109 R)
• M42: 9,851,917 km (0.102 R)
• M43: 10,144,980 km (0.113 R)
• M44: 10,279,169 km (0.116 R)
• M45: 10,522,116 km (0.045 R)
• M46: 11,096,422 km (0.098 R)
• M47: 11,207,124 km (0.071 R)
• M48: 11,624,951 km (0.12 R)
• M49: 12,533,459 km (0.032 R)
• M50: 12,735,117 km (0.033 R)
• M51: 12,879,928 km (0.042 R)
• M52: 12,937,972 km (0.032 R)
• M53: 13,083,531 km (0.108 R)
• M54: 13,259,009 km (0.077 R)
• M55: 13,908,712 km (0.077 R)
• M56: 14,267,598 km (0.074 R)
• M57: 14,629,325 km (0.086 R)
• M58: 15,024,862 km (0.116 R)
• M59: 15,516,291 km (0.1 R)
• M60: 15,578,225 km (0.109 R)
• M61: 15,981,989 km (0.059 R)
• M62: 16,075,638 km (0.09 R)
• M63: 17,245,942 km (0.062 R)
• M64: 17,438,325 km (0.117 R)
• M65: 18,214,887 km (0.048 R)
• M66: 18,738,928 km (0.054 R)
• M67: 18,969,758 km (0.058 R)
• M68: 19,234,696 km (0.091 R)
• M69: 19,301,117 km (0.048 R)
• M70: 19,467,470 km (0.092 R)
• M71: 19,667,782 km (0.099 R)
• M72: 20,205,287 km (0.111 R)
• M73: 20,408,142 km (0.038 R)
• M74: 20,475,909 km (0.108 R)
• M75: 20,815,796 km (0.055 R)
• M76: 21,846,824 km (0.092 R)
• M77: 21,916,088 km (0.117 R)
• M78: 23,922,495 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 12.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.2 AU - 6.9 AU

Year: 5947 Days

Day: 14.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 66,458,931 km

• M1: 165,455 km (0.087 R)
• M2: 265,686 km (0.06 R)
• M3: 396,285 km (0.073 R)
• M4: 594,203 km (0.12 R)
• M5: 690,245 km (0.053 R)
• M6: 766,390 km (0.062 R)
• M7: 881,879 km (0.112 R)
• M8: 965,804 km (0.077 R)
• M9: 1,062,444 km (0.07 R)
• M10: 1,172,698 km (0.088 R)
• M11: 1,795,623 km (0.076 R)
• M12: 1,880,296 km (0.089 R)
• M13: 2,066,096 km (0.082 R)
• M14: 2,550,943 km (0.11 R)
• M15: 2,688,124 km (0.111 R)
• M16: 2,870,185 km (0.095 R)
• M17: 3,056,284 km (0.111 R)
• M18: 3,291,004 km (0.069 R)
• M19: 3,380,613 km (0.104 R)
• M20: 3,577,633 km (0.064 R)
• M21: 3,872,341 km (0.111 R)
• M22: 4,046,772 km (0.03 R)
• M23: 4,452,631 km (0.045 R)
• M24: 4,552,114 km (0.111 R)
• M25: 4,702,609 km (0.09 R)
• M26: 5,008,686 km (0.051 R)
• M27: 5,251,184 km (0.117 R)
• M28: 5,374,004 km (0.057 R)
• M29: 5,497,722 km (0.091 R)
• M30: 5,694,144 km (0.05 R)
• M31: 6,729,660 km (0.053 R)
• M32: 7,171,872 km (0.093 R)
• M33: 7,308,305 km (0.049 R)
• M34: 7,386,694 km (0.092 R)
• M35: 7,603,611 km (0.105 R)
• M36: 8,003,636 km (0.043 R)
• M37: 8,165,501 km (0.053 R)
• M38: 8,616,389 km (0.086 R)
• M39: 9,096,598 km (0.102 R)
• M40: 9,244,400 km (0.026 R)
• M41: 9,521,156 km (0.083 R)
• M42: 9,735,829 km (0.111 R)
• M43: 10,257,926 km (0.073 R)
• M44: 10,788,998 km (0.083 R)
• M45: 11,511,107 km (0.115 R)
• M46: 11,625,400 km (0.088 R)
• M47: 11,808,957 km (0.074 R)
• M48: 11,947,335 km (0.112 R)
• M49: 12,109,349 km (0.077 R)
• M50: 12,529,570 km (0.101 R)
• M51: 13,073,358 km (0.098 R)
• M52: 14,429,612 km (0.048 R)
• M53: 14,577,565 km (0.049 R)
• M54: 14,676,449 km (0.112 R)
• M55: 14,924,781 km (0.086 R)
• M56: 15,099,511 km (0.099 R)
• M57: 15,551,596 km (0.05 R)
• M58: 15,957,455 km (0.095 R)
• M59: 17,013,018 km (0.109 R)
• M60: 17,169,348 km (0.11 R)
• M61: 17,273,917 km (0.11 R)
• M62: 17,509,832 km (0.106 R)
• M63: 17,720,466 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.4

Radius: 3.7

Gravity: 17.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 16.49 AU - 20.23 AU

Year: 27909 Days

Day: 18.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 66,458,931 km

• M1: 133,292 km (0.116 R)
• M2: 277,654 km (0.053 R)
• M3: 617,690 km (0.054 R)
• M4: 879,336 km (0.105 R)
• M5: 1,046,587 km (0.078 R)
• M6: 1,410,110 km (0.04 R)
• M7: 1,492,837 km (0.11 R)
• M8: 1,839,156 km (0.09 R)
• M9: 2,209,561 km (0.085 R)
• M10: 2,535,385 km (0.11 R)
• M11: 2,669,873 km (0.083 R)
• M12: 2,772,348 km (0.051 R)
• M13: 3,450,624 km (0.114 R)
• M14: 4,701,113 km (0.116 R)
• M15: 4,949,745 km (0.099 R)
• M16: 5,720,922 km (0.075 R)
• M17: 6,852,480 km (0.067 R)
• M18: 8,149,194 km (0.09 R)
• M19: 8,901,522 km (0.045 R)
• M20: 9,311,719 km (0.079 R)
• M21: 9,363,480 km (0.081 R)
• M22: 9,571,272 km (0.114 R)
• M23: 9,780,709 km (0.092 R)
• M24: 9,833,218 km (0.099 R)
• M25: 10,958,792 km (0.101 R)
• M26: 12,180,857 km (0.076 R)
• M27: 12,237,555 km (0.113 R)
• M28: 12,693,230 km (0.074 R)
• M29: 13,154,440 km (0.062 R)
• M30: 13,270,678 km (0.119 R)
• M31: 13,328,871 km (0.079 R)
• M32: 13,504,050 km (0.086 R)
• M33: 13,915,744 km (0.108 R)
• M34: 14,331,476 km (0.089 R)
• M35: 15,726,027 km (0.046 R)
• M36: 15,911,080 km (0.104 R)
• M37: 16,784,283 km (0.077 R)
• M38: 16,973,524 km (0.117 R)
• M39: 18,837,813 km (0.091 R)
• M40: 19,363,500 km (0.088 R)
• M41: 19,495,595 km (0.103 R)
• M42: 19,628,138 km (0.069 R)
• M43: 19,694,410 km (0.07 R)
• M44: 21,445,304 km (0.107 R)
• M45: 21,925,214 km (0.09 R)
• M46: 22,616,804 km (0.081 R)
• M47: 23,738,190 km (0.108 R)
• M48: 23,808,800 km (0.096 R)
• M49: 24,021,379 km (0.107 R)
• M50: 24,092,288 km (0.105 R)
• M51: 25,816,404 km (0.098 R)
• M52: 26,253,529 km (0.1 R)
• M53: 26,619,744 km (0.107 R)
• M54: 26,766,649 km (0.076 R)
• M55: 26,987,605 km (0.095 R)
• M56: 28,026,563 km (0.062 R)
• M57: 29,914,189 km (0.06 R)
• M58: 31,298,567 km (0.093 R)
• M59: 31,686,774 km (0.034 R)
• M60: 31,920,446 km (0.102 R)
• M61: 34,368,764 km (0.09 R)
• M62: 36,876,623 km (0.069 R)
• M63: 37,368,800 km (0.08 R)
• M64: 38,111,105 km (0.088 R)
• M65: 38,193,832 km (0.091 R)
• M66: 39,108,324 km (0.119 R)
• M67: 41,128,643 km (0.116 R)
• M68: 41,298,437 km (0.083 R)
• M69: 42,322,584 km (0.098 R)
• M70: 47,389,165 km (0.094 R)
• M71: 47,924,127 km (0.064 R)
• M72: 49,000,035 km (0.066 R)
• M73: 49,089,943 km (0.097 R)
• M74: 49,450,623 km (0.058 R)
• M75: 50,083,871 km (0.084 R)
• M76: 50,446,796 km (0.076 R)
• M77: 52,551,189 km (0.118 R)
• M78: 52,920,097 km (0.05 R)
• M79: 54,404,108 km (0.108 R)
• M80: 54,497,308 km (0.099 R)
• M81: 54,684,006 km (0.036 R)
• M82: 54,777,355 km (0.032 R)
• M83: 56,844,947 km (0.085 R)
• M84: 57,223,579 km (0.102 R)
• M85: 58,078,531 km (0.104 R)
• M86: 58,269,119 km (0.034 R)
• M87: 61,443,735 km (0.062 R)
• M88: 61,637,913 km (0.057 R)
• M89: 61,929,479 km (0.043 R)
• M90: 63,591,063 km (0.05 R)
• M91: 64,180,927 km (0.095 R)
• M92: 64,970,206 km (0.105 R)
• M93: 65,069,090 km (0.11 R)
• M94: 65,862,108 km (0.075 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit