🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.92 AU - 1.2 AU

Year: 407 Days

Day: 46.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 173 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.54 AU - 1.6 AU

Year: 733 Days

Day: 12.6 Hours

Environment

Temp: -39 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,658,441 km

• M1: 1,245,851 km (0.042 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.57 AU - 1.87 AU

Year: 841 Days

Day: 14.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.51 AU - 2.23 AU

Year: 953 Days

Day: 23.5 Hours

Environment

Temp: -68 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.09 AU - 2.83 AU

Year: 1438 Days

Day: 30.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,658,441 km

• M1: 20,495 km (0.12 R)
• M2: 259,852 km (0.084 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.77 AU - 4.35 AU

Year: 2504 Days

Day: 44.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.8

Radius: 12.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.55 AU - 6.59 AU

Year: 6278 Days

Day: 6.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 59,658,441 km

• M1: 165,605 km (0.025 R)
• M2: 280,945 km (0.06 R)
• M3: 362,924 km (0.095 R)
• M4: 517,459 km (0.067 R)
• M5: 957,576 km (0.059 R)
• M6: 1,075,459 km (0.118 R)
• M7: 1,236,426 km (0.079 R)
• M8: 1,392,457 km (0.097 R)
• M9: 1,583,194 km (0.043 R)
• M10: 1,856,061 km (0.06 R)
• M11: 2,005,958 km (0.102 R)
• M12: 2,954,109 km (0.103 R)
• M13: 3,328,253 km (0.039 R)
• M14: 3,493,260 km (0.109 R)
• M15: 3,623,560 km (0.045 R)
• M16: 3,869,947 km (0.114 R)
• M17: 4,279,696 km (0.113 R)
• M18: 4,399,374 km (0.103 R)
• M19: 4,889,158 km (0.117 R)
• M20: 5,204,211 km (0.038 R)
• M21: 5,722,119 km (0.12 R)
• M22: 5,898,494 km (0.045 R)
• M23: 6,143,985 km (0.113 R)
• M24: 6,347,438 km (0.059 R)
• M25: 6,576,023 km (0.107 R)
• M26: 6,691,363 km (0.093 R)
• M27: 6,784,114 km (0.071 R)
• M28: 7,017,786 km (0.103 R)
• M29: 7,278,086 km (0.101 R)
• M30: 7,857,030 km (0.052 R)
• M31: 7,955,016 km (0.094 R)
• M32: 8,226,537 km (0.06 R)
• M33: 8,326,019 km (0.04 R)
• M34: 8,652,142 km (0.099 R)
• M35: 8,905,860 km (0.102 R)
• M36: 9,033,617 km (0.108 R)
• M37: 9,265,195 km (0.038 R)
• M38: 9,655,645 km (0.049 R)
• M39: 10,157,845 km (0.079 R)
• M40: 10,344,992 km (0.113 R)
• M41: 10,452,553 km (0.106 R)
• M42: 10,831,634 km (0.095 R)
• M43: 10,913,464 km (0.109 R)
• M44: 11,743,134 km (0.04 R)
• M45: 11,911,581 km (0.096 R)
• M46: 12,250,869 km (0.111 R)
• M47: 13,875,651 km (0.115 R)
• M48: 14,053,822 km (0.096 R)
• M49: 14,804,056 km (0.098 R)
• M50: 15,260,479 km (0.066 R)
• M51: 15,598,121 km (0.066 R)
• M52: 15,845,257 km (0.091 R)
• M53: 16,249,620 km (0.082 R)
• M54: 16,437,515 km (0.11 R)
• M55: 17,036,954 km (0.111 R)
• M56: 17,643,573 km (0.12 R)
• M57: 17,868,867 km (0.119 R)
• M58: 18,030,283 km (0.087 R)
• M59: 18,322,298 km (0.095 R)
• M60: 19,174,408 km (0.089 R)
• M61: 19,838,772 km (0.076 R)
• M62: 20,006,022 km (0.078 R)
• M63: 21,224,048 km (0.043 R)
• M64: 21,566,777 km (0.053 R)
• M65: 21,704,257 km (0.072 R)
• M66: 21,945,708 km (0.101 R)
• M67: 22,222,764 km (0.089 R)
• M68: 22,396,596 km (0.093 R)
• M69: 23,060,961 km (0.092 R)
• M70: 23,307,348 km (0.095 R)
• M71: 23,519,179 km (0.117 R)
• M72: 23,767,212 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632

Radius: 3.3

Gravity: 58.03 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 11.04 AU - 15.24 AU

Year: 17756 Days

Day: 17.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 59,658,441 km

• M1: 81,082 km (0.119 R)
• M2: 508,184 km (0.1 R)
• M3: 608,714 km (0.114 R)
• M4: 737,817 km (0.091 R)
• M5: 1,705,865 km (0.027 R)
• M6: 2,883,649 km (0.097 R)
• M7: 3,974,067 km (0.113 R)
• M8: 4,665,958 km (0.093 R)
• M9: 4,707,845 km (0.037 R)
• M10: 4,961,563 km (0.103 R)
• M11: 5,133,301 km (0.056 R)
• M12: 5,659,736 km (0.095 R)
• M13: 5,749,196 km (0.075 R)
• M14: 6,716,047 km (0.085 R)
• M15: 6,953,608 km (0.097 R)
• M16: 7,001,330 km (0.099 R)
• M17: 7,193,862 km (0.111 R)
• M18: 7,584,014 km (0.06 R)
• M19: 7,831,299 km (0.093 R)
• M20: 7,880,965 km (0.047 R)
• M21: 8,181,956 km (0.11 R)
• M22: 8,743,248 km (0.053 R)
• M23: 10,064,346 km (0.089 R)
• M24: 10,831,035 km (0.077 R)
• M25: 11,390,083 km (0.099 R)
• M26: 11,672,972 km (0.083 R)
• M27: 11,729,969 km (0.079 R)
• M28: 12,130,592 km (0.095 R)
• M29: 14,139,991 km (0.108 R)
• M30: 14,322,051 km (0.118 R)
• M31: 14,383,087 km (0.118 R)
• M32: 15,120,455 km (0.115 R)
• M33: 15,618,915 km (0.101 R)
• M34: 15,807,259 km (0.09 R)
• M35: 15,870,240 km (0.107 R)
• M36: 16,888,552 km (0.088 R)
• M37: 17,927,809 km (0.111 R)
• M38: 18,455,141 km (0.069 R)
• M39: 21,097,937 km (0.086 R)
• M40: 21,236,615 km (0.063 R)
• M41: 21,584,579 km (0.118 R)
• M42: 23,496,290 km (0.092 R)
• M43: 23,640,054 km (0.098 R)
• M44: 23,712,010 km (0.1 R)
• M45: 24,000,734 km (0.079 R)
• M46: 26,950,655 km (0.073 R)
• M47: 27,251,945 km (0.05 R)
• M48: 27,327,342 km (0.106 R)
• M49: 27,478,586 km (0.07 R)
• M50: 27,857,667 km (0.101 R)
• M51: 29,468,985 km (0.098 R)
• M52: 29,779,251 km (0.118 R)
• M53: 30,012,624 km (0.091 R)
• M54: 32,220,539 km (0.114 R)
• M55: 34,971,045 km (0.1 R)
• M56: 35,053,025 km (0.094 R)
• M57: 35,464,120 km (0.099 R)
• M58: 35,546,548 km (0.098 R)
• M59: 36,125,193 km (0.046 R)
• M60: 37,375,682 km (0.067 R)
• M61: 38,386,215 km (0.068 R)
• M62: 39,747,406 km (0.118 R)
• M63: 40,090,285 km (0.113 R)
• M64: 40,606,248 km (0.059 R)
• M65: 41,037,987 km (0.081 R)
• M66: 41,211,072 km (0.107 R)
• M67: 41,297,689 km (0.106 R)
• M68: 43,219,124 km (0.117 R)
• M69: 43,659,839 km (0.104 R)
• M70: 43,748,252 km (0.092 R)
• M71: 44,634,769 km (0.106 R)
• M72: 45,975,614 km (0.052 R)
• M73: 46,515,663 km (0.114 R)
• M74: 46,696,227 km (0.112 R)
• M75: 47,420,431 km (0.036 R)
• M76: 49,063,614 km (0.11 R)
• M77: 49,155,317 km (0.114 R)
• M78: 50,076,840 km (0.034 R)
• M79: 50,354,344 km (0.11 R)
• M80: 51,004,048 km (0.088 R)
• M81: 53,252,204 km (0.119 R)
• M82: 56,011,537 km (0.098 R)
• M83: 58,816,946 km (0.112 R)
• M84: 59,109,859 km (0.12 R)
• M85: 60,285,848 km (0.09 R)
• M86: 61,370,731 km (0.085 R)
• M87: 63,159,922 km (0.059 R)
• M88: 65,268,803 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285

Radius: 7.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 11.47 AU - 18.41 AU

Year: 21527 Days

Day: 23.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 59,658,441 km

• M1: 99,333 km (0.08 R)
• M2: 167,849 km (0.053 R)
• M3: 233,373 km (0.098 R)
• M4: 283,937 km (0.093 R)
• M5: 399,127 km (0.109 R)
• M6: 795,861 km (0.051 R)
• M7: 900,130 km (0.082 R)
• M8: 1,145,770 km (0.114 R)
• M9: 1,437,486 km (0.075 R)
• M10: 1,513,930 km (0.092 R)
• M11: 1,724,714 km (0.08 R)
• M12: 1,917,097 km (0.099 R)
• M13: 2,534,936 km (0.051 R)
• M14: 2,817,526 km (0.036 R)
• M15: 3,011,555 km (0.084 R)
• M16: 3,901,961 km (0.059 R)
• M17: 4,118,429 km (0.081 R)
• M18: 5,179,527 km (0.056 R)
• M19: 5,781,210 km (0.103 R)
• M20: 6,746,116 km (0.08 R)
• M21: 7,446,533 km (0.069 R)
• M22: 7,715,061 km (0.08 R)
• M23: 8,123,912 km (0.103 R)
• M24: 9,440,523 km (0.045 R)
• M25: 9,828,879 km (0.118 R)
• M26: 10,420,988 km (0.053 R)
• M27: 10,721,380 km (0.073 R)
• M28: 11,228,367 km (0.107 R)
• M29: 11,330,692 km (0.08 R)
• M30: 11,536,389 km (0.087 R)
• M31: 12,160,661 km (0.113 R)
• M32: 13,714,235 km (0.087 R)
• M33: 14,043,351 km (0.106 R)
• M34: 14,765,609 km (0.084 R)
• M35: 14,821,559 km (0.069 R)
• M36: 14,877,807 km (0.111 R)
• M37: 14,933,907 km (0.061 R)
• M38: 16,130,241 km (0.04 R)
• M39: 16,187,986 km (0.1 R)
• M40: 16,477,757 km (0.081 R)
• M41: 17,653,596 km (0.113 R)
• M42: 18,191,550 km (0.11 R)
• M43: 19,039,022 km (0.074 R)
• M44: 19,467,620 km (0.082 R)
• M45: 19,652,223 km (0.069 R)
• M46: 20,023,376 km (0.106 R)
• M47: 20,584,218 km (0.067 R)
• M48: 20,835,243 km (0.103 R)
• M49: 20,898,075 km (0.094 R)
• M50: 22,105,180 km (0.055 R)
• M51: 22,490,993 km (0.076 R)
• M52: 22,555,469 km (0.094 R)
• M53: 22,684,722 km (0.119 R)
• M54: 23,465,324 km (0.103 R)
• M55: 23,990,711 km (0.091 R)
• M56: 24,122,507 km (0.056 R)
• M57: 25,927,106 km (0.097 R)
• M58: 26,334,012 km (0.069 R)
• M59: 26,402,079 km (0.081 R)
• M60: 28,260,534 km (0.065 R)
• M61: 29,240,849 km (0.12 R)
• M62: 29,311,160 km (0.093 R)
• M63: 29,735,120 km (0.103 R)
• M64: 31,018,670 km (0.069 R)
• M65: 32,539,033 km (0.086 R)
• M66: 32,685,190 km (0.09 R)
• M67: 35,651,716 km (0.028 R)
• M68: 37,167,142 km (0.083 R)
• M69: 37,472,621 km (0.028 R)
• M70: 38,009,378 km (0.116 R)
• M71: 39,947,269 km (0.101 R)
• M72: 40,260,228 km (0.06 R)
• M73: 43,515,328 km (0.09 R)
• M74: 43,595,662 km (0.086 R)
• M75: 45,459,502 km (0.1 R)
• M76: 45,704,543 km (0.117 R)
• M77: 47,514,827 km (0.082 R)
• M78: 49,180,599 km (0.06 R)
• M79: 49,852,294 km (0.108 R)
• M80: 50,273,711 km (0.03 R)
• M81: 50,358,084 km (0.084 R)
• M82: 50,442,607 km (0.115 R)
• M83: 50,611,652 km (0.115 R)
• M84: 51,289,780 km (0.073 R)
• M85: 51,544,844 km (0.049 R)
• M86: 51,629,965 km (0.103 R)
• M87: 51,885,628 km (0.044 R)
• M88: 53,170,225 km (0.076 R)
• M89: 55,160,026 km (0.104 R)
• M90: 56,032,780 km (0.092 R)
• M91: 58,411,835 km (0.119 R)
• M92: 59,034,013 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 15,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit