🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.5 AU - 0.52 AU

Year: 235 Days

Day: 28.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,251,663 km

• M1: 129,253 km (0.066 R)
• M2: 620,083 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.49 AU - 0.79 AU

Year: 331 Days

Day: 21.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,251,663 km

• M1: 144,661 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.53 AU - 0.81 AU

Year: 354 Days

Day: 39.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.9

Radius: 11.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.55 AU - 0.89 AU

Year: 394 Days

Day: 11.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,251,663 km

• M1: 146,307 km (0.042 R)
• M2: 237,262 km (0.117 R)
• M3: 334,351 km (0.072 R)
• M4: 475,871 km (0.095 R)
• M5: 567,275 km (0.085 R)
• M6: 663,167 km (0.112 R)
• M7: 780,153 km (0.064 R)
• M8: 939,325 km (0.082 R)
• M9: 1,013,526 km (0.074 R)
• M10: 1,110,166 km (0.041 R)
• M11: 1,196,035 km (0.098 R)
• M12: 1,342,192 km (0.102 R)
• M13: 1,456,784 km (0.094 R)
• M14: 1,559,408 km (0.116 R)
• M15: 1,633,160 km (0.095 R)
• M16: 1,708,258 km (0.044 R)
• M17: 1,796,670 km (0.059 R)
• M18: 1,882,390 km (0.088 R)
• M19: 1,965,566 km (0.085 R)
• M20: 2,084,048 km (0.081 R)
• M21: 2,315,027 km (0.093 R)
• M22: 2,642,497 km (0.071 R)
• M23: 2,826,053 km (0.089 R)
• M24: 2,955,755 km (0.073 R)
• M25: 3,196,159 km (0.079 R)
• M26: 3,341,568 km (0.103 R)
• M27: 3,499,393 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 8.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.2 AU - 1.76 AU

Year: 1163 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 27,251,663 km

• M1: 148,251 km (0.101 R)
• M2: 215,870 km (0.111 R)
• M3: 283,488 km (0.028 R)
• M4: 339,886 km (0.118 R)
• M5: 429,047 km (0.106 R)
• M6: 761,004 km (0.084 R)
• M7: 839,992 km (0.119 R)
• M8: 921,972 km (0.063 R)
• M9: 1,087,577 km (0.097 R)
• M10: 1,255,874 km (0.041 R)
• M11: 1,328,579 km (0.08 R)
• M12: 1,478,326 km (0.098 R)
• M13: 1,578,706 km (0.103 R)
• M14: 1,745,807 km (0.041 R)
• M15: 1,827,488 km (0.101 R)
• M16: 1,944,174 km (0.093 R)
• M17: 2,028,846 km (0.072 R)
• M18: 2,237,535 km (0.051 R)
• M19: 2,344,498 km (0.102 R)
• M20: 2,554,384 km (0.093 R)
• M21: 2,647,583 km (0.049 R)
• M22: 2,732,555 km (0.103 R)
• M23: 2,973,108 km (0.058 R)
• M24: 3,081,118 km (0.077 R)
• M25: 3,443,893 km (0.046 R)
• M26: 3,526,471 km (0.104 R)
• M27: 3,693,422 km (0.047 R)
• M28: 3,873,687 km (0.107 R)
• M29: 4,210,133 km (0.064 R)
• M30: 4,276,255 km (0.119 R)
• M31: 4,454,576 km (0.037 R)
• M32: 4,841,436 km (0.107 R)
• M33: 4,945,706 km (0.085 R)
• M34: 5,121,184 km (0.093 R)
• M35: 5,239,217 km (0.109 R)
• M36: 5,370,264 km (0.118 R)
• M37: 5,466,157 km (0.081 R)
• M38: 5,647,619 km (0.111 R)
• M39: 5,733,039 km (0.077 R)
• M40: 5,867,976 km (0.064 R)
• M41: 5,991,694 km (0.108 R)
• M42: 6,103,743 km (0.113 R)
• M43: 6,597,266 km (0.095 R)
• M44: 6,777,532 km (0.076 R)
• M45: 6,868,337 km (0.11 R)
• M46: 6,985,622 km (0.116 R)
• M47: 7,474,957 km (0.12 R)
• M48: 7,663,001 km (0.095 R)
• M49: 7,730,620 km (0.08 R)
• M50: 7,907,145 km (0.108 R)
• M51: 8,222,797 km (0.118 R)
• M52: 8,389,149 km (0.099 R)
• M53: 8,500,600 km (0.102 R)
• M54: 8,556,549 km (0.103 R)
• M55: 8,682,810 km (0.08 R)
• M56: 8,781,545 km (0.089 R)
• M57: 8,838,093 km (0.103 R)
• M58: 8,909,002 km (0.037 R)
• M59: 9,180,073 km (0.118 R)
• M60: 9,237,369 km (0.062 R)
• M61: 9,338,198 km (0.12 R)
• M62: 9,526,243 km (0.064 R)
• M63: 9,686,462 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.5

Radius: 10.4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.61 AU - 1.95 AU

Year: 1533 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 27,251,663 km

• M1: 158,574 km (0.119 R)
• M2: 223,350 km (0.069 R)
• M3: 347,067 km (0.101 R)
• M4: 442,361 km (0.109 R)
• M5: 519,853 km (0.118 R)
• M6: 690,993 km (0.077 R)
• M7: 869,912 km (0.111 R)
• M8: 971,489 km (0.107 R)
• M9: 1,052,122 km (0.067 R)
• M10: 1,154,596 km (0.031 R)
• M11: 1,233,734 km (0.071 R)
• M12: 1,335,460 km (0.068 R)
• M13: 1,489,845 km (0.085 R)
• M14: 1,562,101 km (0.067 R)
• M15: 2,028,846 km (0.108 R)
• M16: 2,174,704 km (0.095 R)
• M17: 2,374,717 km (0.033 R)
• M18: 2,459,838 km (0.102 R)
• M19: 2,572,036 km (0.073 R)
• M20: 2,677,203 km (0.072 R)
• M21: 2,792,843 km (0.067 R)
• M22: 3,038,333 km (0.087 R)
• M23: 3,319,427 km (0.082 R)
• M24: 3,395,872 km (0.1 R)
• M25: 3,550,406 km (0.054 R)
• M26: 3,687,737 km (0.086 R)
• M27: 3,836,737 km (0.048 R)
• M28: 3,906,898 km (0.095 R)
• M29: 4,038,544 km (0.105 R)
• M30: 4,192,181 km (0.106 R)
• M31: 4,558,397 km (0.116 R)
• M32: 4,697,074 km (0.1 R)
• M33: 4,794,013 km (0.116 R)
• M34: 4,913,243 km (0.06 R)
• M35: 4,989,687 km (0.068 R)
• M36: 5,077,501 km (0.074 R)
• M37: 5,199,124 km (0.09 R)
• M38: 5,377,744 km (0.089 R)
• M39: 5,649,564 km (0.108 R)
• M40: 5,833,270 km (0.065 R)
• M41: 6,277,725 km (0.077 R)
• M42: 6,408,324 km (0.108 R)
• M43: 6,504,067 km (0.087 R)
• M44: 6,576,023 km (0.097 R)
• M45: 6,648,279 km (0.1 R)
• M46: 6,989,213 km (0.118 R)
• M47: 7,436,061 km (0.112 R)
• M48: 7,840,873 km (0.055 R)
• M49: 7,968,929 km (0.112 R)
• M50: 8,435,674 km (0.108 R)
• M51: 8,659,174 km (0.07 R)
• M52: 8,725,296 km (0.081 R)
• M53: 8,831,361 km (0.083 R)
• M54: 8,977,967 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 9.1

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.5 AU - 3.56 AU

Year: 3405 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 27,251,663 km

• M1: 169,943 km (0.119 R)
• M2: 317,746 km (0.052 R)
• M3: 453,581 km (0.104 R)
• M4: 525,388 km (0.056 R)
• M5: 584,479 km (0.095 R)
• M6: 796,160 km (0.054 R)
• M7: 1,021,604 km (0.061 R)
• M8: 1,119,890 km (0.096 R)
• M9: 1,209,948 km (0.069 R)
• M10: 1,409,810 km (0.116 R)
• M11: 1,570,030 km (0.086 R)
• M12: 1,671,607 km (0.116 R)
• M13: 1,921,884 km (0.057 R)
• M14: 2,017,327 km (0.11 R)
• M15: 2,198,490 km (0.093 R)
• M16: 2,312,783 km (0.051 R)
• M17: 2,429,021 km (0.12 R)
• M18: 2,991,957 km (0.094 R)
• M19: 3,183,143 km (0.089 R)
• M20: 3,510,763 km (0.114 R)
• M21: 3,712,570 km (0.097 R)
• M22: 3,814,895 km (0.084 R)
• M23: 3,883,710 km (0.118 R)
• M24: 4,521,147 km (0.109 R)
• M25: 4,612,402 km (0.108 R)
• M26: 4,722,506 km (0.066 R)
• M27: 4,983,105 km (0.06 R)
• M28: 5,096,201 km (0.1 R)
• M29: 5,832,223 km (0.098 R)
• M30: 5,891,763 km (0.091 R)
• M31: 6,892,871 km (0.103 R)
• M32: 7,337,925 km (0.103 R)
• M33: 7,596,430 km (0.037 R)
• M34: 8,188,987 km (0.086 R)
• M35: 8,547,274 km (0.091 R)
• M36: 8,933,536 km (0.09 R)
• M37: 9,094,204 km (0.062 R)
• M38: 9,186,506 km (0.082 R)
• M39: 9,302,295 km (0.111 R)
• M40: 10,342,000 km (0.107 R)
• M41: 10,510,746 km (0.117 R)
• M42: 10,680,540 km (0.085 R)
• M43: 11,443,040 km (0.093 R)
• M44: 11,742,984 km (0.111 R)
• M45: 11,969,625 km (0.117 R)
• M46: 12,299,488 km (0.105 R)
• M47: 12,452,826 km (0.087 R)
• M48: 12,709,685 km (0.082 R)
• M49: 12,942,310 km (0.06 R)
• M50: 13,046,281 km (0.112 R)
• M51: 13,202,610 km (0.105 R)
• M52: 13,490,886 km (0.112 R)
• M53: 13,649,011 km (0.077 R)
• M54: 13,967,056 km (0.116 R)
• M55: 14,341,200 km (0.115 R)
• M56: 14,610,476 km (0.073 R)
• M57: 14,691,558 km (0.083 R)
• M58: 14,800,017 km (0.072 R)
• M59: 15,181,491 km (0.086 R)
• M60: 15,455,854 km (0.041 R)
• M61: 15,676,660 km (0.082 R)
• M62: 16,205,189 km (0.118 R)
• M63: 16,457,561 km (0.066 R)
• M64: 16,654,731 km (0.035 R)
• M65: 16,937,770 km (0.071 R)
• M66: 17,365,470 km (0.109 R)
• M67: 17,999,017 km (0.084 R)
• M68: 18,115,105 km (0.092 R)
• M69: 18,523,059 km (0.115 R)
• M70: 18,698,836 km (0.061 R)
• M71: 19,259,230 km (0.09 R)
• M72: 19,675,710 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.5

Radius: 5.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.53 AU - 7.01 AU

Year: 10137 Days

Day: 24.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 27,251,663 km

• M1: 124,615 km (0.095 R)
• M2: 190,288 km (0.093 R)
• M3: 355,445 km (0.075 R)
• M4: 459,116 km (0.09 R)
• M5: 509,680 km (0.114 R)
• M6: 707,897 km (0.116 R)
• M7: 779,255 km (0.113 R)
• M8: 994,527 km (0.109 R)
• M9: 1,171,501 km (0.112 R)
• M10: 1,358,498 km (0.055 R)
• M11: 1,570,478 km (0.107 R)
• M12: 1,617,303 km (0.108 R)
• M13: 1,728,454 km (0.032 R)
• M14: 1,874,910 km (0.057 R)
• M15: 2,110,976 km (0.049 R)
• M16: 2,374,417 km (0.102 R)
• M17: 2,537,479 km (0.095 R)
• M18: 2,704,131 km (0.087 R)
• M19: 3,067,953 km (0.1 R)
• M20: 3,904,355 km (0.114 R)
• M21: 4,011,018 km (0.073 R)
• M22: 4,380,674 km (0.12 R)
• M23: 4,491,526 km (0.071 R)
• M24: 4,715,923 km (0.099 R)
• M25: 4,990,136 km (0.085 R)
• M26: 5,152,450 km (0.039 R)
• M27: 5,553,971 km (0.113 R)
• M28: 5,649,863 km (0.116 R)
• M29: 5,916,446 km (0.082 R)
• M30: 6,212,052 km (0.095 R)
• M31: 6,311,684 km (0.055 R)
• M32: 6,462,179 km (0.083 R)
• M33: 6,740,880 km (0.115 R)
• M34: 7,127,441 km (0.057 R)
• M35: 7,574,290 km (0.104 R)
• M36: 9,393,101 km (0.03 R)
• M37: 9,795,519 km (0.108 R)
• M38: 10,027,994 km (0.11 R)
• M39: 10,291,735 km (0.066 R)
• M40: 10,468,859 km (0.119 R)
• M41: 10,706,420 km (0.113 R)
• M42: 11,036,284 km (0.078 R)
• M43: 11,369,289 km (0.084 R)
• M44: 11,491,211 km (0.111 R)
• M45: 11,644,249 km (0.071 R)
• M46: 11,983,238 km (0.073 R)
• M47: 12,325,668 km (0.118 R)
• M48: 12,860,929 km (0.113 R)
• M49: 13,179,423 km (0.103 R)
• M50: 13,791,577 km (0.096 R)
• M51: 14,314,272 km (0.083 R)
• M52: 15,379,110 km (0.089 R)
• M53: 15,513,898 km (0.09 R)
• M54: 15,750,861 km (0.047 R)
• M55: 15,920,953 km (0.055 R)
• M56: 16,194,269 km (0.078 R)
• M57: 17,443,112 km (0.103 R)
• M58: 17,478,267 km (0.088 R)
• M59: 18,328,582 km (0.092 R)
• M60: 18,902,888 km (0.115 R)
• M61: 19,156,007 km (0.119 R)
• M62: 19,811,994 km (0.1 R)
• M63: 20,032,352 km (0.102 R)
• M64: 20,069,153 km (0.107 R)
• M65: 20,179,556 km (0.089 R)
• M66: 20,216,507 km (0.118 R)
• M67: 20,290,408 km (0.118 R)
• M68: 20,623,712 km (0.103 R)
• M69: 20,660,962 km (0.077 R)
• M70: 20,698,062 km (0.086 R)
• M71: 21,258,456 km (0.12 R)
• M72: 21,333,554 km (0.072 R)
• M73: 21,446,351 km (0.06 R)
• M74: 22,165,468 km (0.082 R)
• M75: 22,355,906 km (0.12 R)
• M76: 22,508,795 km (0.077 R)
• M77: 23,084,896 km (0.11 R)
• M78: 23,200,685 km (0.092 R)
• M79: 23,394,265 km (0.11 R)
• M80: 24,173,370 km (0.105 R)
• M81: 24,566,214 km (0.081 R)
• M82: 25,000,647 km (0.116 R)
• M83: 25,119,577 km (0.113 R)
• M84: 25,677,128 km (0.102 R)
• M85: 25,837,198 km (0.103 R)
• M86: 26,480,618 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 19,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit