🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 144 Days

Day: 46.9 Hours

Environment

Temp: 274 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 112,255,318 km

• M1: 210,634 km (0.117 R)
• M2: 295,605 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.68 AU - 0.8 AU

Year: 225 Days

Day: 16.8 Hours

Environment

Temp: 144 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.9 AU - 1.16 AU

Year: 369 Days

Day: 20.1 Hours

Environment

Temp: 107 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 112,255,318 km

• M1: 13,015 km (0.069 R)
• M2: 230,530 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.07 AU - 3.89 AU

Year: 2292 Days

Day: 16.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 12.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.3 AU - 9.24 AU

Year: 7648 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 112,255,318 km

• M1: 176,376 km (0.119 R)
• M2: 338,241 km (0.078 R)
• M3: 888,611 km (0.119 R)
• M4: 1,029,233 km (0.111 R)
• M5: 1,121,386 km (0.099 R)
• M6: 1,314,516 km (0.069 R)
• M7: 1,647,073 km (0.118 R)
• M8: 2,244,118 km (0.043 R)
• M9: 2,341,805 km (0.082 R)
• M10: 3,340,520 km (0.084 R)
• M11: 3,452,719 km (0.117 R)
• M12: 3,566,264 km (0.12 R)
• M13: 3,885,057 km (0.091 R)
• M14: 4,003,239 km (0.071 R)
• M15: 4,152,687 km (0.096 R)
• M16: 4,395,933 km (0.057 R)
• M17: 4,488,235 km (0.028 R)
• M18: 5,251,035 km (0.12 R)
• M19: 5,614,109 km (0.071 R)
• M20: 5,815,767 km (0.086 R)
• M21: 6,157,000 km (0.04 R)
• M22: 7,366,199 km (0.099 R)
• M23: 7,550,205 km (0.082 R)
• M24: 7,735,706 km (0.1 R)
• M25: 7,885,154 km (0.044 R)
• M26: 8,339,483 km (0.036 R)
• M27: 9,076,252 km (0.069 R)
• M28: 10,282,011 km (0.087 R)
• M29: 10,405,280 km (0.1 R)
• M30: 10,653,463 km (0.069 R)
• M31: 11,029,552 km (0.039 R)
• M32: 11,452,465 km (0.108 R)
• M33: 12,096,783 km (0.088 R)
• M34: 12,401,514 km (0.113 R)
• M35: 13,196,776 km (0.059 R)
• M36: 13,736,226 km (0.105 R)
• M37: 13,872,211 km (0.094 R)
• M38: 14,697,542 km (0.069 R)
• M39: 15,870,090 km (0.112 R)
• M40: 17,857,647 km (0.062 R)
• M41: 18,905,880 km (0.111 R)
• M42: 19,564,858 km (0.085 R)
• M43: 20,025,321 km (0.089 R)
• M44: 20,489,523 km (0.11 R)
• M45: 20,957,315 km (0.062 R)
• M46: 22,009,288 km (0.11 R)
• M47: 23,294,333 km (0.085 R)
• M48: 23,782,471 km (0.037 R)
• M49: 24,219,147 km (0.063 R)
• M50: 25,211,580 km (0.077 R)
• M51: 26,048,729 km (0.093 R)
• M52: 26,329,824 km (0.089 R)
• M53: 27,407,227 km (0.108 R)
• M54: 28,037,483 km (0.061 R)
• M55: 28,730,570 km (0.037 R)
• M56: 29,137,476 km (0.082 R)
• M57: 31,081,351 km (0.058 R)
• M58: 31,379,500 km (0.105 R)
• M59: 31,678,546 km (0.03 R)
• M60: 31,978,639 km (0.1 R)
• M61: 33,005,928 km (0.104 R)
• M62: 35,403,533 km (0.058 R)
• M63: 36,215,101 km (0.071 R)
• M64: 36,906,692 km (0.042 R)
• M65: 37,222,344 km (0.113 R)
• M66: 38,494,524 km (0.085 R)
• M67: 38,686,458 km (0.114 R)
• M68: 39,007,346 km (0.074 R)
• M69: 39,200,177 km (0.041 R)
• M70: 40,820,023 km (0.115 R)
• M71: 41,408,391 km (0.115 R)
• M72: 41,933,929 km (0.036 R)
• M73: 43,323,693 km (0.086 R)
• M74: 43,723,568 km (0.116 R)
• M75: 43,857,159 km (0.108 R)
• M76: 44,057,770 km (0.116 R)
• M77: 44,459,889 km (0.082 R)
• M78: 44,661,397 km (0.056 R)
• M79: 45,065,311 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 14.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 9.46 AU - 15.12 AU

Year: 15213 Days

Day: 13.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 112,255,318 km

• M1: 189,391 km (0.099 R)
• M2: 399,875 km (0.109 R)
• M3: 872,604 km (0.091 R)
• M4: 1,292,675 km (0.082 R)
• M5: 1,555,369 km (0.095 R)
• M6: 2,221,678 km (0.032 R)
• M7: 3,713,318 km (0.119 R)
• M8: 3,928,440 km (0.049 R)
• M9: 4,917,432 km (0.116 R)
• M10: 5,124,325 km (0.093 R)
• M11: 5,303,993 km (0.112 R)
• M12: 5,824,593 km (0.055 R)
• M13: 6,233,893 km (0.098 R)
• M14: 6,620,005 km (0.076 R)
• M15: 7,281,078 km (0.066 R)
• M16: 7,619,618 km (0.117 R)
• M17: 8,032,807 km (0.1 R)
• M18: 8,242,095 km (0.093 R)
• M19: 9,315,759 km (0.1 R)
• M20: 10,585,695 km (0.115 R)
• M21: 11,553,892 km (0.033 R)
• M22: 12,148,394 km (0.079 R)
• M23: 12,875,141 km (0.081 R)
• M24: 13,202,610 km (0.091 R)
• M25: 13,367,467 km (0.079 R)
• M26: 13,991,590 km (0.118 R)
• M27: 14,413,007 km (0.112 R)
• M28: 14,924,332 km (0.104 R)
• M29: 15,311,641 km (0.105 R)
• M30: 15,441,492 km (0.051 R)
• M31: 15,745,924 km (0.071 R)
• M32: 15,964,636 km (0.105 R)
• M33: 16,449,333 km (0.081 R)
• M34: 17,118,036 km (0.094 R)
• M35: 17,433,089 km (0.083 R)
• M36: 17,704,758 km (0.09 R)
• M37: 19,270,599 km (0.104 R)
• M38: 20,117,473 km (0.031 R)
• M39: 21,217,316 km (0.089 R)
• M40: 22,140,634 km (0.109 R)
• M41: 22,829,383 km (0.07 R)
• M42: 23,425,231 km (0.093 R)
• M43: 28,108,692 km (0.071 R)
• M44: 28,427,485 km (0.109 R)
• M45: 30,637,494 km (0.101 R)
• M46: 32,790,656 km (0.115 R)
• M47: 33,182,304 km (0.088 R)
• M48: 33,519,198 km (0.081 R)
• M49: 34,253,125 km (0.104 R)
• M50: 34,878,295 km (0.098 R)
• M51: 36,544,366 km (0.104 R)
• M52: 37,884,165 km (0.07 R)
• M53: 38,060,092 km (0.028 R)
• M54: 39,062,248 km (0.102 R)
• M55: 39,180,730 km (0.082 R)
• M56: 39,834,472 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.4

Radius: 6.2

Gravity: 18.79 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 13.98 AU - 15.42 AU

Year: 19901 Days

Day: 18.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 112,255,318 km

• M1: 89,759 km (0.089 R)
• M2: 191,336 km (0.055 R)
• M3: 311,762 km (0.099 R)
• M4: 498,011 km (0.066 R)
• M5: 740,809 km (0.085 R)
• M6: 862,881 km (0.053 R)
• M7: 1,414,448 km (0.052 R)
• M8: 1,822,102 km (0.079 R)
• M9: 2,589,240 km (0.036 R)
• M10: 2,663,440 km (0.102 R)
• M11: 2,738,539 km (0.109 R)
• M12: 3,363,259 km (0.073 R)
• M13: 5,292,773 km (0.102 R)
• M14: 5,339,896 km (0.088 R)
• M15: 5,434,741 km (0.072 R)
• M16: 6,768,705 km (0.092 R)
• M17: 6,871,329 km (0.073 R)
• M18: 6,974,552 km (0.056 R)
• M19: 7,339,870 km (0.092 R)
• M20: 7,498,294 km (0.116 R)
• M21: 7,711,321 km (0.111 R)
• M22: 8,034,602 km (0.111 R)
• M23: 8,417,423 km (0.047 R)
• M24: 9,314,562 km (0.096 R)
• M25: 10,359,802 km (0.072 R)
• M26: 12,182,652 km (0.102 R)
• M27: 12,939,169 km (0.088 R)
• M28: 14,167,666 km (0.12 R)
• M29: 14,629,625 km (0.044 R)
• M30: 14,962,629 km (0.1 R)
• M31: 15,298,177 km (0.074 R)
• M32: 15,636,119 km (0.116 R)
• M33: 15,771,954 km (0.1 R)
• M34: 17,152,293 km (0.079 R)
• M35: 17,715,230 km (0.094 R)
• M36: 18,499,123 km (0.083 R)
• M37: 19,659,255 km (0.112 R)
• M38: 23,979,641 km (0.044 R)
• M39: 24,925,100 km (0.082 R)
• M40: 25,322,731 km (0.106 R)
• M41: 25,562,237 km (0.085 R)
• M42: 26,771,137 km (0.115 R)
• M43: 27,423,534 km (0.081 R)
• M44: 28,494,804 km (0.036 R)
• M45: 28,744,034 km (0.103 R)
• M46: 29,579,688 km (0.114 R)
• M47: 30,000,656 km (0.104 R)
• M48: 30,508,242 km (0.105 R)
• M49: 30,848,278 km (0.102 R)
• M50: 31,617,809 km (0.099 R)
• M51: 32,480,390 km (0.083 R)
• M52: 32,827,607 km (0.107 R)
• M53: 33,001,589 km (0.118 R)
• M54: 33,176,021 km (0.104 R)
• M55: 33,525,631 km (0.117 R)
• M56: 33,964,401 km (0.102 R)
• M57: 34,847,627 km (0.069 R)
• M58: 35,292,082 km (0.092 R)
• M59: 37,451,378 km (0.045 R)
• M60: 38,272,072 km (0.11 R)
• M61: 39,190,902 km (0.098 R)
• M62: 40,117,063 km (0.111 R)
• M63: 40,489,561 km (0.085 R)
• M64: 41,050,404 km (0.066 R)
• M65: 42,179,718 km (0.036 R)
• M66: 44,372,823 km (0.069 R)
• M67: 46,017,502 km (0.094 R)
• M68: 46,505,041 km (0.093 R)
• M69: 46,896,240 km (0.099 R)
• M70: 48,274,186 km (0.107 R)
• M71: 48,769,504 km (0.113 R)
• M72: 49,366,101 km (0.086 R)
• M73: 50,365,863 km (0.039 R)
• M74: 51,675,592 km (0.111 R)
• M75: 52,690,614 km (0.111 R)
• M76: 53,609,743 km (0.069 R)
• M77: 54,740,404 km (0.077 R)
• M78: 56,190,606 km (0.067 R)
• M79: 57,129,632 km (0.107 R)
• M80: 57,548,655 km (0.063 R)
• M81: 59,023,092 km (0.062 R)
• M82: 60,509,945 km (0.084 R)
• M83: 61,901,654 km (0.119 R)
• M84: 68,348,874 km (0.083 R)
• M85: 68,571,176 km (0.079 R)
• M86: 69,350,880 km (0.09 R)
• M87: 69,797,879 km (0.088 R)
• M88: 70,582,370 km (0.106 R)
• M89: 70,919,414 km (0.034 R)
• M90: 71,144,409 km (0.117 R)
• M91: 71,369,703 km (0.089 R)
• M92: 73,407,526 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.1

Radius: 6.4

Gravity: 21.73 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 19.14 AU - 20.74 AU

Year: 31440 Days

Day: 16.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 112,255,318 km

• M1: 89,609 km (0.089 R)
• M2: 549,922 km (0.037 R)
• M3: 1,895,854 km (0.096 R)
• M4: 2,157,052 km (0.118 R)
• M5: 2,859,414 km (0.104 R)
• M6: 2,908,631 km (0.079 R)
• M7: 3,057,930 km (0.064 R)
• M8: 3,787,668 km (0.107 R)
• M9: 3,841,823 km (0.11 R)
• M10: 4,005,782 km (0.08 R)
• M11: 5,037,110 km (0.08 R)
• M12: 5,520,610 km (0.078 R)
• M13: 6,273,237 km (0.079 R)
• M14: 6,792,940 km (0.093 R)
• M15: 6,858,763 km (0.12 R)
• M16: 7,873,037 km (0.08 R)
• M17: 8,362,222 km (0.117 R)
• M18: 9,223,606 km (0.081 R)
• M19: 10,037,718 km (0.047 R)
• M20: 10,263,760 km (0.093 R)
• M21: 10,567,743 km (0.079 R)
• M22: 11,972,018 km (0.102 R)
• M23: 13,433,889 km (0.065 R)
• M24: 14,524,308 km (0.104 R)
• M25: 14,609,429 km (0.059 R)
• M26: 15,469,018 km (0.087 R)
• M27: 16,344,914 km (0.112 R)
• M28: 16,699,760 km (0.096 R)
• M29: 16,967,540 km (0.088 R)
• M30: 17,057,149 km (0.109 R)
• M31: 17,779,557 km (0.093 R)
• M32: 18,604,141 km (0.091 R)
• M33: 19,254,144 km (0.038 R)
• M34: 20,290,408 km (0.065 R)
• M35: 21,344,774 km (0.117 R)
• M36: 21,538,353 km (0.075 R)
• M37: 21,635,442 km (0.063 R)
• M38: 23,906,787 km (0.085 R)
• M39: 29,099,030 km (0.091 R)
• M40: 29,421,264 km (0.095 R)
• M41: 29,636,685 km (0.099 R)
• M42: 32,041,321 km (0.116 R)
• M43: 32,596,628 km (0.111 R)
• M44: 34,962,967 km (0.118 R)
• M45: 35,534,431 km (0.069 R)
• M46: 36,918,660 km (0.09 R)
• M47: 37,151,135 km (0.083 R)
• M48: 37,267,522 km (0.111 R)
• M49: 37,617,432 km (0.029 R)
• M50: 38,320,542 km (0.103 R)
• M51: 38,909,808 km (0.113 R)
• M52: 39,146,322 km (0.048 R)
• M53: 39,501,916 km (0.072 R)
• M54: 42,385,864 km (0.037 R)
• M55: 47,846,037 km (0.069 R)
• M56: 48,862,405 km (0.038 R)
• M57: 51,304,440 km (0.079 R)
• M58: 52,344,594 km (0.12 R)
• M59: 57,244,523 km (0.045 R)
• M60: 57,379,011 km (0.028 R)
• M61: 60,774,285 km (0.106 R)
• M62: 61,323,608 km (0.099 R)
• M63: 61,598,868 km (0.091 R)
• M64: 64,373,909 km (0.102 R)
• M65: 65,495,294 km (0.114 R)
• M66: 65,917,459 km (0.07 R)
• M67: 68,755,032 km (0.096 R)
• M68: 69,041,063 km (0.117 R)
• M69: 69,757,637 km (0.112 R)
• M70: 70,476,754 km (0.038 R)
• M71: 71,342,776 km (0.078 R)
• M72: 73,231,449 km (0.035 R)
• M73: 73,669,621 km (0.104 R)
• M74: 73,815,928 km (0.11 R)
• M75: 73,962,234 km (0.12 R)
• M76: 75,431,136 km (0.072 R)
• M77: 76,317,055 km (0.049 R)
• M78: 76,761,211 km (0.052 R)
• M79: 77,801,215 km (0.028 R)
• M80: 78,696,259 km (0.05 R)
• M81: 82,158,702 km (0.076 R)
• M82: 82,614,078 km (0.042 R)
• M83: 83,222,343 km (0.04 R)
• M84: 85,824,448 km (0.091 R)
• M85: 89,387,271 km (0.082 R)
• M86: 91,265,173 km (0.064 R)
• M87: 95,537,838 km (0.115 R)
• M88: 96,496,162 km (0.091 R)
• M89: 96,976,520 km (0.078 R)
• M90: 99,067,151 km (0.115 R)
• M91: 100,361,172 km (0.118 R)
• M92: 101,335,204 km (0.117 R)
• M93: 103,129,331 km (0.116 R)
• M94: 107,079,762 km (0.108 R)
• M95: 110,744,312 km (0.093 R)
• M96: 111,415,109 km (0.101 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: 261 - 14,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit