🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.76 AU - 0.96 AU

Year: 299 Days

Day: 15.9 Hours

Environment

Temp: 72 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,562,290 km

• M1: 200,162 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.85 AU - 1.03 AU

Year: 342 Days

Day: 37.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,562,290 km

• M1: 516,113 km (0.048 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.82 AU - 1.18 AU

Year: 375 Days

Day: 22.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 45.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,562,290 km

• M1: 254,915 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.25 AU - 1.37 AU

Year: 562 Days

Day: 33.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,562,290 km

• M1: 313,108 km (0.087 R)
• M2: 370,404 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.27 AU - 1.69 AU

Year: 675 Days

Day: 18 Hours

Environment

Temp: -49 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.86 AU - 2.84 AU

Year: 1350 Days

Day: 38.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 97.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.2

Radius: 8.4

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.42 AU - 7.92 AU

Year: 6455 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 61,562,290 km

• M1: 115,789 km (0.119 R)
• M2: 333,603 km (0.056 R)
• M3: 713,582 km (0.076 R)
• M4: 902,374 km (0.082 R)
• M5: 959,371 km (0.115 R)
• M6: 1,168,808 km (0.105 R)
• M7: 1,247,347 km (0.053 R)
• M8: 1,311,375 km (0.092 R)
• M9: 1,443,021 km (0.026 R)
• M10: 1,561,802 km (0.094 R)
• M11: 1,882,390 km (0.094 R)
• M12: 1,993,840 km (0.094 R)
• M13: 2,381,449 km (0.072 R)
• M14: 3,159,058 km (0.107 R)
• M15: 3,495,354 km (0.113 R)
• M16: 3,937,865 km (0.111 R)
• M17: 4,105,265 km (0.085 R)
• M18: 4,202,055 km (0.11 R)
• M19: 4,748,087 km (0.07 R)
• M20: 4,849,664 km (0.116 R)
• M21: 5,159,182 km (0.039 R)
• M22: 6,153,260 km (0.099 R)
• M23: 6,714,850 km (0.107 R)
• M24: 7,175,911 km (0.119 R)
• M25: 7,380,860 km (0.092 R)
• M26: 7,946,938 km (0.11 R)
• M27: 9,088,968 km (0.108 R)
• M28: 9,695,288 km (0.108 R)
• M29: 9,921,929 km (0.091 R)
• M30: 10,019,617 km (0.113 R)
• M31: 10,380,596 km (0.045 R)
• M32: 11,216,699 km (0.118 R)
• M33: 11,454,709 km (0.099 R)
• M34: 12,563,828 km (0.053 R)
• M35: 12,669,593 km (0.111 R)
• M36: 12,740,203 km (0.108 R)
• M37: 13,059,894 km (0.083 R)
• M38: 13,167,006 km (0.094 R)
• M39: 13,310,171 km (0.09 R)
• M40: 13,815,812 km (0.071 R)
• M41: 13,925,019 km (0.105 R)
• M42: 14,180,831 km (0.093 R)
• M43: 14,254,134 km (0.118 R)
• M44: 14,697,093 km (0.049 R)
• M45: 15,107,141 km (0.08 R)
• M46: 15,407,683 km (0.074 R)
• M47: 16,167,640 km (0.112 R)
• M48: 17,212,881 km (0.031 R)
• M49: 17,408,854 km (0.058 R)
• M50: 17,605,575 km (0.086 R)
• M51: 19,003,118 km (0.075 R)
• M52: 19,124,592 km (0.098 R)
• M53: 19,205,674 km (0.104 R)
• M54: 19,776,689 km (0.105 R)
• M55: 19,899,808 km (0.04 R)
• M56: 20,105,505 km (0.119 R)
• M57: 20,187,933 km (0.077 R)
• M58: 20,560,432 km (0.1 R)
• M59: 20,810,111 km (0.099 R)
• M60: 21,018,950 km (0.1 R)
• M61: 21,354,498 km (0.074 R)
• M62: 22,371,614 km (0.099 R)
• M63: 22,457,184 km (0.09 R)
• M64: 22,628,473 km (0.091 R)
• M65: 23,621,653 km (0.107 R)
• M66: 25,249,278 km (0.091 R)
• M67: 25,740,109 km (0.119 R)
• M68: 26,640,688 km (0.081 R)
• M69: 27,094,718 km (0.117 R)
• M70: 28,102,858 km (0.082 R)
• M71: 29,076,441 km (0.116 R)
• M72: 29,450,286 km (0.058 R)
• M73: 29,544,083 km (0.071 R)
• M74: 29,872,750 km (0.103 R)
• M75: 30,439,128 km (0.114 R)
• M76: 30,628,818 km (0.069 R)
• M77: 30,818,807 km (0.095 R)
• M78: 31,582,654 km (0.119 R)
• M79: 31,678,546 km (0.058 R)
• M80: 32,207,823 km (0.112 R)
• M81: 32,304,463 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.8

Radius: 4.8

Gravity: 17.18 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 13.44 AU - 14.1 AU

Year: 19148 Days

Day: 24.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 60.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 61,562,290 km

• M1: 61,634 km (0.07 R)
• M2: 130,599 km (0.073 R)
• M3: 184,155 km (0.115 R)
• M4: 246,836 km (0.097 R)
• M5: 288,425 km (0.069 R)
• M6: 497,413 km (0.039 R)
• M7: 1,032,225 km (0.105 R)
• M8: 1,102,536 km (0.108 R)
• M9: 2,092,725 km (0.082 R)
• M10: 2,152,265 km (0.093 R)
• M11: 2,182,184 km (0.06 R)
• M12: 2,521,023 km (0.062 R)
• M13: 2,584,453 km (0.025 R)
• M14: 2,745,271 km (0.118 R)
• M15: 2,843,257 km (0.113 R)
• M16: 2,975,801 km (0.081 R)
• M17: 3,455,561 km (0.087 R)
• M18: 3,526,022 km (0.116 R)
• M19: 3,561,477 km (0.066 R)
• M20: 3,668,439 km (0.072 R)
• M21: 3,776,598 km (0.11 R)
• M22: 4,032,859 km (0.089 R)
• M23: 5,073,013 km (0.081 R)
• M24: 5,153,347 km (0.096 R)
• M25: 5,601,991 km (0.062 R)
• M26: 6,020,716 km (0.048 R)
• M27: 6,105,687 km (0.109 R)
• M28: 6,319,762 km (0.12 R)
• M29: 7,472,414 km (0.074 R)
• M30: 7,655,521 km (0.061 R)
• M31: 7,747,524 km (0.048 R)
• M32: 7,932,726 km (0.082 R)
• M33: 9,764,103 km (0.108 R)
• M34: 10,470,355 km (0.051 R)
• M35: 12,091,697 km (0.085 R)
• M36: 12,685,600 km (0.066 R)
• M37: 12,849,260 km (0.09 R)
• M38: 13,510,632 km (0.045 R)
• M39: 13,957,781 km (0.115 R)
• M40: 14,409,716 km (0.109 R)
• M41: 14,523,410 km (0.087 R)
• M42: 14,809,142 km (0.056 R)
• M43: 15,038,924 km (0.078 R)
• M44: 17,160,222 km (0.064 R)
• M45: 18,625,384 km (0.055 R)
• M46: 18,811,334 km (0.086 R)
• M47: 20,066,909 km (0.066 R)
• M48: 21,219,710 km (0.053 R)
• M49: 21,543,739 km (0.055 R)
• M50: 22,262,407 km (0.109 R)
• M51: 22,789,889 km (0.095 R)
• M52: 22,988,854 km (0.081 R)
• M53: 23,388,430 km (0.098 R)
• M54: 23,656,061 km (0.113 R)
• M55: 24,532,854 km (0.056 R)
• M56: 25,557,599 km (0.065 R)
• M57: 25,833,308 km (0.091 R)
• M58: 27,790,348 km (0.114 R)
• M59: 28,929,835 km (0.079 R)
• M60: 29,289,019 km (0.074 R)
• M61: 29,649,700 km (0.077 R)
• M62: 30,157,285 km (0.1 R)
• M63: 32,587,951 km (0.078 R)
• M64: 32,737,250 km (0.096 R)
• M65: 33,713,376 km (0.051 R)
• M66: 34,394,794 km (0.064 R)
• M67: 34,927,812 km (0.109 R)
• M68: 35,080,701 km (0.058 R)
• M69: 35,233,739 km (0.09 R)
• M70: 36,465,977 km (0.116 R)
• M71: 36,621,110 km (0.066 R)
• M72: 37,087,407 km (0.12 R)
• M73: 38,498,414 km (0.079 R)
• M74: 38,735,377 km (0.069 R)
• M75: 39,448,809 km (0.103 R)
• M76: 41,372,638 km (0.083 R)
• M77: 42,753,725 km (0.101 R)
• M78: 44,067,344 km (0.108 R)
• M79: 44,729,165 km (0.039 R)
• M80: 45,144,449 km (0.108 R)
• M81: 45,811,506 km (0.042 R)
• M82: 48,086,889 km (0.114 R)
• M83: 48,853,429 km (0.106 R)
• M84: 51,698,780 km (0.099 R)
• M85: 52,134,559 km (0.119 R)
• M86: 52,221,774 km (0.11 R)
• M87: 52,484,019 km (0.108 R)
• M88: 53,273,298 km (0.096 R)
• M89: 53,713,415 km (0.054 R)
• M90: 55,307,829 km (0.115 R)
• M91: 57,548,057 km (0.099 R)
• M92: 58,180,706 km (0.026 R)
• M93: 58,361,869 km (0.065 R)
• M94: 60,825,746 km (0.106 R)
• M95: 61,562,217 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit