🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.72 AU - 0.88 AU

Year: 267 Days

Day: 13 Hours

Environment

Temp: 90 °C

Axial Tilt: 26.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,219,548 km

• M1: 728,990 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.57 AU - 1.89 AU

Year: 848 Days

Day: 15 Hours

Environment

Temp: -53 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,219,548 km

• M1: 924,515 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.66 AU - 2.08 AU

Year: 953 Days

Day: 39.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.5 AU - 2.44 AU

Year: 1031 Days

Day: 19.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.41 AU - 5.27 AU

Year: 3370 Days

Day: 46.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.9

Radius: 14.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.52 AU - 5.32 AU

Year: 4068 Days

Day: 9.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 30,219,548 km

• M1: 205,248 km (0.108 R)
• M2: 641,476 km (0.084 R)
• M3: 744,549 km (0.105 R)
• M4: 918,381 km (0.113 R)
• M5: 1,354,609 km (0.105 R)
• M6: 1,556,865 km (0.079 R)
• M7: 1,703,022 km (0.055 R)
• M8: 1,939,836 km (0.084 R)
• M9: 2,116,062 km (0.11 R)
• M10: 2,279,273 km (0.083 R)
• M11: 2,371,725 km (0.117 R)
• M12: 2,994,800 km (0.117 R)
• M13: 3,283,224 km (0.06 R)
• M14: 3,537,840 km (0.055 R)
• M15: 3,689,532 km (0.104 R)
• M16: 4,433,632 km (0.085 R)
• M17: 4,597,591 km (0.078 R)
• M18: 4,859,238 km (0.044 R)
• M19: 5,077,053 km (0.088 R)
• M20: 5,248,641 km (0.081 R)
• M21: 5,623,085 km (0.072 R)
• M22: 5,800,957 km (0.103 R)
• M23: 6,610,730 km (0.083 R)
• M24: 7,289,605 km (0.069 R)
• M25: 7,567,558 km (0.114 R)
• M26: 7,991,069 km (0.1 R)
• M27: 8,802,339 km (0.062 R)
• M28: 9,098,393 km (0.111 R)
• M29: 9,307,680 km (0.114 R)
• M30: 9,518,613 km (0.083 R)
• M31: 9,731,042 km (0.102 R)
• M32: 10,099,053 km (0.086 R)
• M33: 10,253,737 km (0.099 R)
• M34: 10,440,435 km (0.109 R)
• M35: 10,722,427 km (0.099 R)
• M36: 11,166,434 km (0.116 R)
• M37: 11,713,513 km (0.03 R)
• M38: 12,368,602 km (0.032 R)
• M39: 12,567,418 km (0.095 R)
• M40: 13,407,410 km (0.112 R)
• M41: 13,645,869 km (0.04 R)
• M42: 14,196,240 km (0.082 R)
• M43: 14,543,905 km (0.1 R)
• M44: 15,000,029 km (0.031 R)
• M45: 15,318,672 km (0.118 R)
• M46: 16,215,512 km (0.105 R)
• M47: 16,615,536 km (0.048 R)
• M48: 17,277,208 km (0.086 R)
• M49: 17,835,058 km (0.095 R)
• M50: 18,022,355 km (0.092 R)
• M51: 18,285,797 km (0.105 R)
• M52: 18,436,741 km (0.111 R)
• M53: 18,930,563 km (0.098 R)
• M54: 19,121,749 km (0.059 R)
• M55: 19,544,363 km (0.056 R)
• M56: 19,698,898 km (0.048 R)
• M57: 19,970,119 km (0.093 R)
• M58: 20,712,872 km (0.114 R)
• M59: 20,988,731 km (0.077 R)
• M60: 21,863,878 km (0.03 R)
• M61: 22,225,307 km (0.09 R)
• M62: 22,507,748 km (0.073 R)
• M63: 22,750,844 km (0.074 R)
• M64: 22,954,148 km (0.074 R)
• M65: 23,198,740 km (0.063 R)
• M66: 23,938,053 km (0.084 R)
• M67: 24,852,096 km (0.085 R)
• M68: 25,229,382 km (0.087 R)
• M69: 25,481,903 km (0.075 R)
• M70: 26,287,188 km (0.108 R)
• M71: 27,402,740 km (0.088 R)
• M72: 28,271,454 km (0.109 R)
• M73: 29,016,901 km (0.104 R)
• M74: 29,547,075 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.2

Radius: 11.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.28 AU - 5.58 AU

Year: 4081 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 30,219,548 km

• M1: 196,272 km (0.1 R)
• M2: 295,306 km (0.077 R)
• M3: 628,909 km (0.033 R)
• M4: 756,965 km (0.117 R)
• M5: 875,746 km (0.101 R)
• M6: 1,001,558 km (0.042 R)
• M7: 1,123,330 km (0.077 R)
• M8: 1,218,175 km (0.082 R)
• M9: 1,405,173 km (0.108 R)
• M10: 1,685,669 km (0.067 R)
• M11: 1,795,623 km (0.071 R)
• M12: 1,908,121 km (0.092 R)
• M13: 2,140,297 km (0.104 R)
• M14: 2,590,287 km (0.069 R)
• M15: 2,877,365 km (0.076 R)
• M16: 2,995,249 km (0.075 R)
• M17: 3,235,802 km (0.051 R)
• M18: 3,435,964 km (0.059 R)
• M19: 3,561,177 km (0.063 R)
• M20: 4,160,317 km (0.052 R)
• M21: 4,294,057 km (0.084 R)
• M22: 4,565,877 km (0.107 R)
• M23: 5,126,420 km (0.094 R)
• M24: 5,270,034 km (0.064 R)
• M25: 5,433,245 km (0.071 R)
• M26: 5,616,502 km (0.043 R)
• M27: 5,820,554 km (0.078 R)
• M28: 6,008,150 km (0.109 R)
• M29: 6,178,691 km (0.118 R)
• M30: 6,389,475 km (0.113 R)
• M31: 6,544,159 km (0.058 R)
• M32: 6,622,099 km (0.107 R)
• M33: 6,857,417 km (0.104 R)
• M34: 7,035,887 km (0.059 R)
• M35: 7,195,658 km (0.118 R)
• M36: 7,458,052 km (0.107 R)
• M37: 7,641,609 km (0.085 R)
• M38: 7,909,389 km (0.114 R)
• M39: 8,264,086 km (0.105 R)
• M40: 8,369,552 km (0.079 R)
• M41: 8,946,252 km (0.107 R)
• M42: 9,032,719 km (0.116 R)
• M43: 9,557,808 km (0.097 R)
• M44: 9,712,941 km (0.093 R)
• M45: 9,868,822 km (0.05 R)
• M46: 9,958,281 km (0.05 R)
• M47: 10,137,949 km (0.064 R)
• M48: 10,591,978 km (0.113 R)
• M49: 10,729,608 km (0.119 R)
• M50: 10,936,951 km (0.05 R)
• M51: 11,122,452 km (0.072 R)
• M52: 11,732,512 km (0.04 R)
• M53: 11,922,352 km (0.063 R)
• M54: 12,185,195 km (0.069 R)
• M55: 13,428,503 km (0.097 R)
• M56: 13,952,245 km (0.096 R)
• M57: 14,254,583 km (0.113 R)
• M58: 14,559,014 km (0.098 R)
• M59: 14,737,634 km (0.092 R)
• M60: 14,891,271 km (0.071 R)
• M61: 15,071,237 km (0.06 R)
• M62: 15,226,071 km (0.098 R)
• M63: 15,537,235 km (0.109 R)
• M64: 15,772,104 km (0.092 R)
• M65: 15,850,642 km (0.071 R)
• M66: 16,060,678 km (0.104 R)
• M67: 16,271,611 km (0.065 R)
• M68: 16,404,005 km (0.076 R)
• M69: 17,097,989 km (0.108 R)
• M70: 17,556,956 km (0.073 R)
• M71: 18,019,961 km (0.037 R)
• M72: 18,129,467 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.3

Radius: 13.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 9.57 AU - 14.23 AU

Year: 15303 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 30,219,548 km

• M1: 185,501 km (0.118 R)
• M2: 316,250 km (0.098 R)
• M3: 620,682 km (0.039 R)
• M4: 847,921 km (0.083 R)
• M5: 1,355,207 km (0.119 R)
• M6: 1,896,303 km (0.096 R)
• M7: 2,218,836 km (0.086 R)
• M8: 2,462,830 km (0.084 R)
• M9: 2,656,709 km (0.101 R)
• M10: 2,835,628 km (0.1 R)
• M11: 2,936,756 km (0.112 R)
• M12: 4,501,699 km (0.077 R)
• M13: 4,668,202 km (0.117 R)
• M14: 4,885,418 km (0.077 R)
• M15: 5,130,609 km (0.05 R)
• M16: 5,229,792 km (0.07 R)
• M17: 5,480,817 km (0.067 R)
• M18: 6,020,866 km (0.1 R)
• M19: 6,363,893 km (0.106 R)
• M20: 6,931,318 km (0.114 R)
• M21: 7,068,948 km (0.113 R)
• M22: 7,318,926 km (0.07 R)
• M23: 8,172,980 km (0.112 R)
• M24: 8,347,711 km (0.108 R)
• M25: 8,879,082 km (0.095 R)
• M26: 9,360,788 km (0.111 R)
• M27: 9,635,449 km (0.117 R)
• M28: 9,943,920 km (0.095 R)
• M29: 10,318,214 km (0.118 R)
• M30: 10,507,156 km (0.1 R)
• M31: 10,792,738 km (0.096 R)
• M32: 11,145,341 km (0.108 R)
• M33: 12,225,587 km (0.082 R)
• M34: 12,862,874 km (0.061 R)
• M35: 13,134,394 km (0.077 R)
• M36: 15,374,323 km (0.098 R)
• M37: 15,698,801 km (0.098 R)
• M38: 16,391,139 km (0.065 R)
• M39: 16,538,194 km (0.094 R)
• M40: 17,467,197 km (0.114 R)
• M41: 17,579,695 km (0.043 R)
• M42: 17,994,829 km (0.039 R)
• M43: 19,531,049 km (0.082 R)
• M44: 20,472,917 km (0.047 R)
• M45: 21,189,042 km (0.06 R)
• M46: 21,953,936 km (0.068 R)
• M47: 22,400,935 km (0.043 R)
• M48: 22,727,806 km (0.089 R)
• M49: 23,967,972 km (0.09 R)
• M50: 26,427,511 km (0.025 R)
• M51: 28,522,928 km (0.049 R)
• M52: 29,680,218 km (0.054 R)
• M53: 29,994,373 km (0.063 R)
• M54: 30,174,489 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 13,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit