🌌 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: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.47 AU - 0.73 AU

Year: 165 Days

Day: 19.2 Hours

Environment

Temp: 213 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.87 AU - 1.29 AU

Year: 398 Days

Day: 23.9 Hours

Environment

Temp: 24 °C

Axial Tilt: 48.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.07 AU - 4.13 AU

Year: 2945 Days

Day: 22.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.02 AU - 5.4 AU

Year: 3626 Days

Day: 38.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,942,955 km

• M1: 529,277 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.7

Radius: 11

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.52 AU - 8.98 AU

Year: 7654 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 96,942,955 km

• M1: 153,039 km (0.114 R)
• M2: 328,218 km (0.104 R)
• M3: 517,309 km (0.105 R)
• M4: 665,262 km (0.114 R)
• M5: 1,229,545 km (0.113 R)
• M6: 1,800,111 km (0.069 R)
• M7: 2,215,694 km (0.108 R)
• M8: 2,381,897 km (0.114 R)
• M9: 2,617,364 km (0.118 R)
• M10: 2,749,010 km (0.12 R)
• M11: 3,157,413 km (0.072 R)
• M12: 3,464,537 km (0.078 R)
• M13: 4,056,795 km (0.052 R)
• M14: 4,312,907 km (0.102 R)
• M15: 4,548,074 km (0.091 R)
• M16: 5,113,106 km (0.087 R)
• M17: 5,195,684 km (0.087 R)
• M18: 5,530,334 km (0.117 R)
• M19: 5,958,633 km (0.069 R)
• M20: 6,606,242 km (0.07 R)
• M21: 7,307,258 km (0.095 R)
• M22: 7,431,573 km (0.06 R)
• M23: 7,650,884 km (0.08 R)
• M24: 7,745,579 km (0.089 R)
• M25: 7,872,289 km (0.068 R)
• M26: 8,321,681 km (0.055 R)
• M27: 9,077,898 km (0.11 R)
• M28: 9,346,127 km (0.11 R)
• M29: 9,651,007 km (0.068 R)
• M30: 10,903,142 km (0.037 R)
• M31: 11,224,179 km (0.059 R)
• M32: 11,948,681 km (0.096 R)
• M33: 12,095,437 km (0.052 R)
• M34: 12,316,692 km (0.086 R)
• M35: 13,442,865 km (0.117 R)
• M36: 14,095,560 km (0.117 R)
• M37: 14,680,189 km (0.09 R)
• M38: 15,034,736 km (0.107 R)
• M39: 16,074,740 km (0.079 R)
• M40: 16,277,445 km (0.112 R)
• M41: 17,096,643 km (0.082 R)
• M42: 18,392,909 km (0.083 R)
• M43: 18,690,010 km (0.067 R)
• M44: 18,945,822 km (0.103 R)
• M45: 19,633,973 km (0.119 R)
• M46: 19,937,656 km (0.111 R)
• M47: 21,747,042 km (0.079 R)
• M48: 22,376,849 km (0.054 R)
• M49: 22,648,669 km (0.085 R)
• M50: 22,739,475 km (0.084 R)
• M51: 22,830,430 km (0.117 R)
• M52: 24,162,898 km (0.108 R)
• M53: 24,302,174 km (0.056 R)
• M54: 24,488,274 km (0.051 R)
• M55: 24,628,148 km (0.098 R)
• M56: 25,002,591 km (0.104 R)
• M57: 26,184,714 km (0.055 R)
• M58: 26,518,915 km (0.062 R)
• M59: 27,481,727 km (0.104 R)
• M60: 27,772,845 km (0.063 R)
• M61: 27,870,083 km (0.101 R)
• M62: 28,064,860 km (0.084 R)
• M63: 28,455,909 km (0.116 R)
• M64: 28,603,113 km (0.119 R)
• M65: 28,701,249 km (0.072 R)
• M66: 29,391,942 km (0.05 R)
• M67: 31,903,092 km (0.107 R)
• M68: 32,311,195 km (0.086 R)
• M69: 32,464,683 km (0.113 R)
• M70: 32,618,320 km (0.102 R)
• M71: 32,720,944 km (0.114 R)
• M72: 33,029,564 km (0.045 R)
• M73: 33,442,454 km (0.109 R)
• M74: 33,908,901 km (0.095 R)
• M75: 34,325,531 km (0.088 R)
• M76: 34,429,800 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.3

Radius: 4.2

Gravity: 48.2 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 15.04 AU - 19.82 AU

Year: 25816 Days

Day: 20.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 96,942,955 km

• M1: 86,468 km (0.075 R)
• M2: 326,273 km (0.043 R)
• M3: 606,919 km (0.088 R)
• M4: 946,506 km (0.116 R)
• M5: 1,301,950 km (0.075 R)
• M6: 1,476,232 km (0.117 R)
• M7: 1,770,341 km (0.093 R)
• M8: 1,885,232 km (0.104 R)
• M9: 2,624,844 km (0.054 R)
• M10: 2,979,391 km (0.074 R)
• M11: 3,255,100 km (0.087 R)
• M12: 3,443,444 km (0.094 R)
• M13: 3,880,270 km (0.042 R)
• M14: 4,180,961 km (0.045 R)
• M15: 4,385,761 km (0.119 R)
• M16: 4,437,372 km (0.047 R)
• M17: 4,804,934 km (0.06 R)
• M18: 5,182,220 km (0.104 R)
• M19: 5,291,725 km (0.096 R)
• M20: 5,513,130 km (0.1 R)
• M21: 6,079,657 km (0.113 R)
• M22: 6,546,104 km (0.077 R)
• M23: 7,084,656 km (0.062 R)
• M24: 9,177,381 km (0.071 R)
• M25: 9,243,503 km (0.112 R)
• M26: 9,509,937 km (0.096 R)
• M27: 9,576,956 km (0.094 R)
• M28: 10,879,356 km (0.108 R)
• M29: 10,949,517 km (0.106 R)
• M30: 11,231,210 km (0.037 R)
• M31: 11,302,119 km (0.073 R)
• M32: 11,373,029 km (0.089 R)
• M33: 11,946,288 km (0.114 R)
• M34: 12,528,672 km (0.111 R)
• M35: 13,796,963 km (0.1 R)
• M36: 14,407,771 km (0.106 R)
• M37: 15,576,579 km (0.108 R)
• M38: 16,614,040 km (0.096 R)
• M39: 17,838,499 km (0.085 R)
• M40: 19,943,042 km (0.116 R)
• M41: 20,114,630 km (0.11 R)
• M42: 20,632,838 km (0.11 R)
• M43: 21,330,412 km (0.094 R)
• M44: 23,288,349 km (0.079 R)
• M45: 23,378,706 km (0.054 R)
• M46: 23,832,138 km (0.117 R)
• M47: 27,946,378 km (0.084 R)
• M48: 30,379,588 km (0.06 R)
• M49: 31,571,284 km (0.064 R)
• M50: 33,184,099 km (0.067 R)
• M51: 36,488,865 km (0.048 R)
• M52: 41,638,623 km (0.12 R)
• M53: 42,850,365 km (0.106 R)
• M54: 43,293,773 km (0.116 R)
• M55: 44,409,175 km (0.093 R)
• M56: 45,082,964 km (0.05 R)
• M57: 45,534,001 km (0.092 R)
• M58: 46,668,253 km (0.063 R)
• M59: 48,156,452 km (0.104 R)
• M60: 52,003,661 km (0.109 R)
• M61: 52,476,689 km (0.029 R)
• M62: 54,502,843 km (0.084 R)
• M63: 54,742,947 km (0.048 R)
• M64: 59,370,009 km (0.101 R)
• M65: 62,105,556 km (0.11 R)
• M66: 66,541,432 km (0.097 R)
• M67: 66,797,992 km (0.106 R)
• M68: 67,569,618 km (0.086 R)
• M69: 72,392,803 km (0.113 R)
• M70: 74,512,605 km (0.118 R)
• M71: 75,179,213 km (0.03 R)
• M72: 75,312,804 km (0.116 R)
• M73: 75,847,766 km (0.046 R)
• M74: 76,518,413 km (0.109 R)
• M75: 78,541,724 km (0.087 R)
• M76: 79,900,522 km (0.113 R)
• M77: 82,090,485 km (0.048 R)
• M78: 83,193,021 km (0.103 R)
• M79: 84,300,195 km (0.114 R)
• M80: 85,551,731 km (0.064 R)
• M81: 85,830,731 km (0.089 R)
• M82: 87,791,959 km (0.073 R)
• M83: 88,214,124 km (0.118 R)
• M84: 89,626,179 km (0.081 R)
• M85: 89,909,517 km (0.107 R)
• M86: 90,334,973 km (0.082 R)
• M87: 93,475,930 km (0.071 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 12,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit