🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.48 AU - 0.56 AU

Year: 132 Days

Day: 14.5 Hours

Environment

Temp: 265 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.96 AU - 1.06 AU

Year: 358 Days

Day: 47 Hours

Environment

Temp: 143 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.32 AU - 2.08 AU

Year: 783 Days

Day: 37.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.9 AU - 1.98 AU

Year: 954 Days

Day: 17.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,725,810 km

• M1: 1,572,722 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.68 AU - 2.22 AU

Year: 962 Days

Day: 29.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 143.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.61 AU - 2.45 AU

Year: 1021 Days

Day: 44.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 10.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.12 AU - 9.66 AU

Year: 9359 Days

Day: 14.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 12,725,810 km

• M1: 217,366 km (0.101 R)
• M2: 336,745 km (0.069 R)
• M3: 486,642 km (0.082 R)
• M4: 571,464 km (0.092 R)
• M5: 1,038,658 km (0.106 R)
• M6: 1,331,720 km (0.086 R)
• M7: 1,717,683 km (0.102 R)
• M8: 1,854,116 km (0.089 R)
• M9: 2,335,223 km (0.111 R)
• M10: 2,487,065 km (0.104 R)
• M11: 2,564,108 km (0.081 R)
• M12: 2,773,993 km (0.057 R)
• M13: 2,989,564 km (0.11 R)
• M14: 3,071,693 km (0.108 R)
• M15: 3,238,644 km (0.109 R)
• M16: 3,351,591 km (0.117 R)
• M17: 3,552,351 km (0.067 R)
• M18: 4,026,277 km (0.109 R)
• M19: 4,742,552 km (0.045 R)
• M20: 4,838,893 km (0.056 R)
• M21: 5,264,199 km (0.07 R)
• M22: 5,633,407 km (0.11 R)
• M23: 6,045,699 km (0.073 R)
• M24: 6,646,783 km (0.104 R)
• M25: 7,192,965 km (0.092 R)
• M26: 7,829,504 km (0.068 R)
• M27: 8,289,667 km (0.118 R)
• M28: 9,036,160 km (0.092 R)
• M29: 9,640,835 km (0.111 R)
• M30: 9,804,196 km (0.118 R)
• M31: 9,968,604 km (0.112 R)
• M32: 10,216,936 km (0.075 R)
• M33: 10,425,476 km (0.094 R)
• M34: 10,846,594 km (0.112 R)
• M35: 12,055,494 km (0.084 R)
• M36: 12,497,705 km (0.074 R)
• M37: 12,900,124 km (0.114 R)
• M38: 12,990,032 km (0.104 R)
• M39: 13,763,602 km (0.119 R)
• M40: 14,086,584 km (0.078 R)
• M41: 14,411,960 km (0.043 R)
• M42: 15,930,827 km (0.096 R)
• M43: 16,318,585 km (0.099 R)
• M44: 16,709,334 km (0.095 R)
• M45: 17,004,491 km (0.117 R)
• M46: 17,599,890 km (0.105 R)
• M47: 17,749,787 km (0.109 R)
• M48: 18,964,522 km (0.044 R)
• M49: 19,945,136 km (0.098 R)
• M50: 20,942,206 km (0.116 R)
• M51: 21,101,079 km (0.084 R)
• M52: 21,901,727 km (0.104 R)
• M53: 23,203,228 km (0.116 R)
• M54: 23,367,636 km (0.092 R)
• M55: 23,642,597 km (0.065 R)
• M56: 25,202,155 km (0.046 R)
• M57: 26,051,272 km (0.106 R)
• M58: 26,165,266 km (0.077 R)
• M59: 26,507,995 km (0.117 R)
• M60: 26,794,774 km (0.098 R)
• M61: 26,967,410 km (0.07 R)
• M62: 27,661,394 km (0.065 R)
• M63: 28,127,242 km (0.066 R)
• M64: 29,066,866 km (0.103 R)
• M65: 29,718,814 km (0.043 R)
• M66: 30,315,709 km (0.036 R)
• M67: 32,558,481 km (0.088 R)
• M68: 32,742,636 km (0.097 R)
• M69: 33,668,646 km (0.06 R)
• M70: 34,478,270 km (0.101 R)
• M71: 35,862,948 km (0.045 R)
• M72: 37,009,167 km (0.083 R)
• M73: 37,715,718 km (0.045 R)
• M74: 38,167,653 km (0.082 R)
• M75: 38,621,233 km (0.113 R)
• M76: 39,207,208 km (0.071 R)
• M77: 39,927,372 km (0.079 R)
• M78: 40,124,542 km (0.038 R)
• M79: 41,247,873 km (0.118 R)
• M80: 42,784,243 km (0.061 R)
• M81: 45,089,397 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 11.2

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.04 AU - 11.18 AU

Year: 10519 Days

Day: 14.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 12,725,810 km

• M1: 147,204 km (0.041 R)
• M2: 364,720 km (0.098 R)
• M3: 645,216 km (0.098 R)
• M4: 828,772 km (0.074 R)
• M5: 992,432 km (0.051 R)
• M6: 1,167,312 km (0.087 R)
• M7: 1,269,039 km (0.057 R)
• M8: 1,395,299 km (0.067 R)
• M9: 1,503,907 km (0.072 R)
• M10: 1,776,325 km (0.099 R)
• M11: 2,741,231 km (0.112 R)
• M12: 2,823,510 km (0.098 R)
• M13: 3,047,159 km (0.091 R)
• M14: 3,132,430 km (0.073 R)
• M15: 3,276,642 km (0.082 R)
• M16: 3,661,707 km (0.077 R)
• M17: 4,835,901 km (0.105 R)
• M18: 5,377,595 km (0.108 R)
• M19: 5,550,829 km (0.061 R)
• M20: 5,620,542 km (0.091 R)
• M21: 6,117,655 km (0.108 R)
• M22: 6,298,669 km (0.074 R)
• M23: 6,665,932 km (0.07 R)
• M24: 6,889,730 km (0.08 R)
• M25: 7,153,920 km (0.047 R)
• M26: 8,045,523 km (0.064 R)
• M27: 8,564,927 km (0.061 R)
• M28: 9,594,310 km (0.099 R)
• M29: 9,720,421 km (0.093 R)
• M30: 10,144,980 km (0.06 R)
• M31: 10,532,288 km (0.119 R)
• M32: 10,836,870 km (0.08 R)
• M33: 11,499,289 km (0.1 R)
• M34: 12,448,787 km (0.117 R)
• M35: 13,423,417 km (0.109 R)
• M36: 14,134,605 km (0.103 R)
• M37: 14,278,219 km (0.109 R)
• M38: 14,857,911 km (0.096 R)
• M39: 15,297,729 km (0.12 R)
• M40: 15,396,164 km (0.087 R)
• M41: 15,791,551 km (0.108 R)
• M42: 15,890,884 km (0.063 R)
• M43: 17,612,008 km (0.112 R)
• M44: 18,129,467 km (0.04 R)
• M45: 18,546,994 km (0.089 R)
• M46: 19,444,881 km (0.08 R)
• M47: 20,356,829 km (0.085 R)
• M48: 21,447,548 km (0.071 R)
• M49: 22,333,765 km (0.091 R)
• M50: 23,006,357 km (0.035 R)
• M51: 23,628,684 km (0.066 R)
• M52: 24,313,843 km (0.118 R)
• M53: 24,716,710 km (0.056 R)
• M54: 24,832,199 km (0.036 R)
• M55: 26,173,045 km (0.118 R)
• M56: 27,179,240 km (0.102 R)
• M57: 27,358,010 km (0.119 R)
• M58: 27,657,056 km (0.112 R)
• M59: 28,560,477 km (0.086 R)
• M60: 28,681,801 km (0.045 R)
• M61: 29,964,603 km (0.055 R)
• M62: 30,149,506 km (0.06 R)
• M63: 30,706,160 km (0.091 R)
• M64: 31,203,872 km (0.101 R)
• M65: 32,459,746 km (0.03 R)
• M66: 34,052,664 km (0.059 R)
• M67: 34,438,776 km (0.099 R)
• M68: 34,955,936 km (0.106 R)
• M69: 35,085,637 km (0.101 R)
• M70: 36,194,307 km (0.102 R)
• M71: 36,456,851 km (0.11 R)
• M72: 36,851,790 km (0.082 R)
• M73: 38,379,035 km (0.052 R)
• M74: 38,780,854 km (0.091 R)
• M75: 38,982,363 km (0.075 R)
• M76: 39,521,214 km (0.117 R)
• M77: 39,791,538 km (0.072 R)
• M78: 41,015,697 km (0.077 R)
• M79: 41,152,429 km (0.055 R)
• M80: 42,321,238 km (0.074 R)
• M81: 43,152,852 km (0.094 R)
• M82: 43,710,403 km (0.076 R)
• M83: 44,270,199 km (0.09 R)
• M84: 44,832,238 km (0.086 R)
• M85: 44,973,159 km (0.091 R)
• M86: 46,818,449 km (0.087 R)
• M87: 47,247,795 km (0.077 R)
• M88: 47,534,723 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.3

Radius: 10.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.07 AU - 10.31 AU

Year: 10651 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 62.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 12,725,810 km

• M1: 321,635 km (0.112 R)
• M2: 1,612,515 km (0.079 R)
• M3: 1,888,972 km (0.092 R)
• M4: 2,274,037 km (0.091 R)
• M5: 2,379,653 km (0.049 R)
• M6: 2,650,725 km (0.104 R)
• M7: 2,739,586 km (0.101 R)
• M8: 3,116,872 km (0.078 R)
• M9: 3,377,770 km (0.102 R)
• M10: 3,621,166 km (0.056 R)
• M11: 3,933,526 km (0.094 R)
• M12: 4,048,118 km (0.073 R)
• M13: 4,189,788 km (0.085 R)
• M14: 4,557,798 km (0.071 R)
• M15: 4,854,301 km (0.091 R)
• M16: 5,087,674 km (0.106 R)
• M17: 5,171,000 km (0.113 R)
• M18: 5,494,580 km (0.073 R)
• M19: 5,766,848 km (0.119 R)
• M20: 6,294,929 km (0.025 R)
• M21: 6,716,496 km (0.075 R)
• M22: 7,365,900 km (0.054 R)
• M23: 8,393,787 km (0.101 R)
• M24: 8,857,690 km (0.108 R)
• M25: 9,346,875 km (0.036 R)
• M26: 9,534,770 km (0.101 R)
• M27: 11,372,281 km (0.076 R)
• M28: 12,293,803 km (0.092 R)
• M29: 12,387,302 km (0.06 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 10,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit