🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.43 AU - 0.71 AU

Year: 152 Days

Day: 15.5 Hours

Environment

Temp: 268 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.68 AU - 0.72 AU

Year: 207 Days

Day: 32.5 Hours

Environment

Temp: 212 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.37 AU - 1.85 AU

Year: 721 Days

Day: 31.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,318,763 km

• M1: 277,953 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.43 AU - 2.93 AU

Year: 1549 Days

Day: 23.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,318,763 km

• M1: 725,998 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.5 AU - 3.92 AU

Year: 2031 Days

Day: 16 Hours

Environment

Temp: -89 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.38 AU - 3.48 AU

Year: 2243 Days

Day: 39.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,318,763 km

• M1: 684,261 km (0.109 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.48 AU - 5.46 AU

Year: 3912 Days

Day: 33.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,318,763 km

• M1: 288,574 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.5

Radius: 11.8

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.27 AU - 12.15 AU

Year: 12376 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 67,318,763 km

• M1: 311,762 km (0.116 R)
• M2: 391,198 km (0.1 R)
• M3: 666,758 km (0.115 R)
• M4: 1,158,187 km (0.053 R)
• M5: 1,491,192 km (0.105 R)
• M6: 1,854,266 km (0.091 R)
• M7: 2,018,674 km (0.05 R)
• M8: 2,421,092 km (0.115 R)
• M9: 2,786,111 km (0.104 R)
• M10: 2,911,773 km (0.084 R)
• M11: 3,103,857 km (0.096 R)
• M12: 3,739,947 km (0.101 R)
• M13: 4,862,529 km (0.114 R)
• M14: 5,480,518 km (0.099 R)
• M15: 5,678,885 km (0.097 R)
• M16: 5,839,254 km (0.097 R)
• M17: 5,960,428 km (0.069 R)
• M18: 6,041,809 km (0.097 R)
• M19: 6,205,469 km (0.094 R)
• M20: 7,349,145 km (0.116 R)
• M21: 8,147,250 km (0.111 R)
• M22: 8,373,890 km (0.092 R)
• M23: 8,833,455 km (0.1 R)
• M24: 9,207,001 km (0.081 R)
• M25: 10,309,836 km (0.073 R)
• M26: 10,802,462 km (0.115 R)
• M27: 11,101,658 km (0.088 R)
• M28: 11,759,290 km (0.054 R)
• M29: 12,118,774 km (0.114 R)
• M30: 13,324,982 km (0.068 R)
• M31: 13,915,444 km (0.076 R)
• M32: 14,459,532 km (0.114 R)
• M33: 14,789,395 km (0.087 R)
• M34: 15,737,546 km (0.075 R)
• M35: 17,167,403 km (0.052 R)
• M36: 17,516,714 km (0.113 R)
• M37: 18,519,169 km (0.095 R)
• M38: 19,540,324 km (0.025 R)
• M39: 20,764,932 km (0.086 R)
• M40: 21,951,244 km (0.11 R)
• M41: 22,903,434 km (0.066 R)
• M42: 23,352,377 km (0.039 R)
• M43: 25,242,995 km (0.07 R)
• M44: 25,640,327 km (0.081 R)
• M45: 26,173,195 km (0.118 R)
• M46: 26,374,105 km (0.118 R)
• M47: 26,709,802 km (0.083 R)
• M48: 27,182,382 km (0.099 R)
• M49: 27,317,918 km (0.106 R)
• M50: 27,453,603 km (0.054 R)
• M51: 29,655,983 km (0.086 R)
• M52: 30,285,491 km (0.033 R)
• M53: 31,061,006 km (0.119 R)
• M54: 31,914,462 km (0.087 R)
• M55: 33,281,337 km (0.087 R)
• M56: 34,081,537 km (0.076 R)
• M57: 34,520,756 km (0.113 R)
• M58: 34,667,511 km (0.116 R)
• M59: 35,774,984 km (0.09 R)
• M60: 36,445,183 km (0.086 R)
• M61: 36,744,379 km (0.114 R)
• M62: 37,420,411 km (0.094 R)
• M63: 38,176,479 km (0.101 R)
• M64: 40,088,639 km (0.111 R)
• M65: 40,707,077 km (0.11 R)
• M66: 41,250,715 km (0.12 R)
• M67: 41,484,537 km (0.114 R)
• M68: 41,718,657 km (0.099 R)
• M69: 43,528,941 km (0.051 R)
• M70: 43,687,515 km (0.108 R)
• M71: 43,766,951 km (0.071 R)
• M72: 44,164,583 km (0.076 R)
• M73: 44,244,169 km (0.104 R)
• M74: 45,364,657 km (0.037 R)
• M75: 45,928,341 km (0.04 R)
• M76: 46,494,420 km (0.085 R)
• M77: 47,307,035 km (0.076 R)
• M78: 47,796,819 km (0.049 R)
• M79: 49,193,764 km (0.094 R)
• M80: 50,520,847 km (0.112 R)
• M81: 52,027,746 km (0.075 R)
• M82: 52,364,640 km (0.095 R)
• M83: 52,871,478 km (0.077 R)
• M84: 53,464,633 km (0.088 R)
• M85: 54,060,033 km (0.07 R)
• M86: 54,401,266 km (0.093 R)
• M87: 54,486,686 km (0.052 R)
• M88: 54,572,106 km (0.053 R)
• M89: 54,914,386 km (0.114 R)
• M90: 56,118,051 km (0.112 R)
• M91: 56,290,687 km (0.115 R)
• M92: 58,201,650 km (0.052 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.4

Radius: 8.1

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 9.94 AU - 14 AU

Year: 14623 Days

Day: 14.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 67,318,763 km

• M1: 131,945 km (0.081 R)
• M2: 189,092 km (0.045 R)
• M3: 276,756 km (0.106 R)
• M4: 658,829 km (0.105 R)
• M5: 944,262 km (0.109 R)
• M6: 1,536,969 km (0.085 R)
• M7: 1,679,087 km (0.099 R)
• M8: 2,322,657 km (0.04 R)
• M9: 2,722,083 km (0.107 R)
• M10: 2,929,874 km (0.06 R)
• M11: 3,107,148 km (0.052 R)
• M12: 3,178,955 km (0.065 R)
• M13: 3,509,267 km (0.064 R)
• M14: 3,735,608 km (0.088 R)
• M15: 3,889,245 km (0.073 R)
• M16: 4,044,827 km (0.118 R)
• M17: 4,202,653 km (0.115 R)
• M18: 4,483,598 km (0.105 R)
• M19: 4,729,387 km (0.055 R)
• M20: 5,106,224 km (0.095 R)
• M21: 5,319,850 km (0.063 R)
• M22: 5,755,778 km (0.115 R)
• M23: 6,112,868 km (0.103 R)
• M24: 6,431,212 km (0.088 R)
• M25: 6,989,661 km (0.09 R)
• M26: 7,131,630 km (0.105 R)
• M27: 7,274,645 km (0.075 R)
• M28: 8,352,199 km (0.11 R)
• M29: 8,502,993 km (0.095 R)
• M30: 9,374,401 km (0.086 R)
• M31: 9,688,706 km (0.057 R)
• M32: 10,166,821 km (0.03 R)
• M33: 13,133,945 km (0.115 R)
• M34: 13,250,931 km (0.074 R)
• M35: 13,368,066 km (0.074 R)
• M36: 14,318,461 km (0.044 R)
• M37: 14,438,738 km (0.105 R)
• M38: 14,680,338 km (0.043 R)
• M39: 14,740,925 km (0.087 R)
• M40: 15,045,357 km (0.099 R)
• M41: 15,846,454 km (0.09 R)
• M42: 16,033,301 km (0.08 R)
• M43: 17,042,040 km (0.07 R)
• M44: 17,553,964 km (0.042 R)
• M45: 19,385,790 km (0.104 R)
• M46: 20,391,835 km (0.082 R)
• M47: 20,798,891 km (0.056 R)
• M48: 21,208,789 km (0.091 R)
• M49: 22,874,711 km (0.097 R)
• M50: 23,723,380 km (0.096 R)
• M51: 24,294,993 km (0.063 R)
• M52: 24,510,414 km (0.105 R)
• M53: 24,726,583 km (0.061 R)
• M54: 25,305,976 km (0.114 R)
• M55: 25,451,535 km (0.081 R)
• M56: 26,330,721 km (0.113 R)
• M57: 26,626,027 km (0.077 R)
• M58: 27,070,931 km (0.108 R)
• M59: 27,443,580 km (0.081 R)
• M60: 27,518,379 km (0.109 R)
• M61: 29,103,518 km (0.115 R)
• M62: 29,408,847 km (0.072 R)
• M63: 30,795,769 km (0.049 R)
• M64: 33,074,743 km (0.117 R)
• M65: 33,712,927 km (0.108 R)
• M66: 33,792,962 km (0.064 R)
• M67: 35,896,607 km (0.078 R)
• M68: 36,142,098 km (0.047 R)
• M69: 36,224,077 km (0.105 R)
• M70: 36,306,057 km (0.074 R)
• M71: 36,470,315 km (0.096 R)
• M72: 36,552,445 km (0.039 R)
• M73: 36,799,431 km (0.06 R)
• M74: 37,294,899 km (0.096 R)
• M75: 37,959,113 km (0.09 R)
• M76: 39,046,690 km (0.109 R)
• M77: 40,484,475 km (0.047 R)
• M78: 41,681,258 km (0.114 R)
• M79: 41,853,295 km (0.112 R)
• M80: 42,803,092 km (0.118 R)
• M81: 43,411,357 km (0.105 R)
• M82: 43,585,639 km (0.116 R)
• M83: 44,812,192 km (0.115 R)
• M84: 45,429,582 km (0.095 R)
• M85: 45,518,144 km (0.075 R)
• M86: 48,107,833 km (0.031 R)
• M87: 51,388,664 km (0.031 R)
• M88: 52,127,528 km (0.061 R)
• M89: 55,684,666 km (0.103 R)
• M90: 56,063,747 km (0.115 R)
• M91: 57,875,527 km (0.112 R)
• M92: 63,425,159 km (0.074 R)
• M93: 63,820,845 km (0.116 R)
• M94: 65,811,993 km (0.109 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 11,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit