🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.54 AU - 0.7 AU

Year: 320 Days

Day: 39.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,680,435 km

• M1: 173,085 km (0.117 R)
• M2: 250,128 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.58 AU - 0.74 AU

Year: 352 Days

Day: 47.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 14

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.84 AU - 1.08 AU

Year: 617 Days

Day: 7.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,680,435 km

• M1: 176,825 km (0.105 R)
• M2: 267,631 km (0.098 R)
• M3: 368,011 km (0.081 R)
• M4: 473,627 km (0.106 R)
• M5: 568,622 km (0.07 R)
• M6: 667,954 km (0.09 R)
• M7: 766,390 km (0.096 R)
• M8: 870,660 km (0.077 R)
• M9: 958,174 km (0.114 R)
• M10: 1,058,106 km (0.087 R)
• M11: 1,176,587 km (0.12 R)
• M12: 1,355,506 km (0.089 R)
• M13: 1,469,649 km (0.063 R)
• M14: 1,598,154 km (0.041 R)
• M15: 1,685,968 km (0.119 R)
• M16: 1,792,482 km (0.093 R)
• M17: 1,884,036 km (0.114 R)
• M18: 2,030,492 km (0.107 R)
• M19: 2,162,587 km (0.046 R)
• M20: 2,366,489 km (0.099 R)
• M21: 2,518,779 km (0.107 R)
• M22: 2,615,719 km (0.08 R)
• M23: 2,746,916 km (0.116 R)
• M24: 2,927,780 km (0.083 R)
• M25: 3,023,074 km (0.08 R)
• M26: 3,266,170 km (0.056 R)
• M27: 3,372,235 km (0.078 R)
• M28: 3,551,902 km (0.11 R)
• M29: 3,786,472 km (0.116 R)
• M30: 4,049,016 km (0.111 R)
• M31: 4,178,717 km (0.116 R)
• M32: 4,309,765 km (0.056 R)
• M33: 4,481,503 km (0.106 R)
• M34: 4,639,778 km (0.1 R)
• M35: 4,880,481 km (0.108 R)
• M36: 5,183,267 km (0.116 R)
• M37: 5,290,977 km (0.071 R)
• M38: 5,500,564 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 13

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.95 AU - 1.19 AU

Year: 726 Days

Day: 6.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,680,435 km

• M1: 164,558 km (0.076 R)
• M2: 259,702 km (0.073 R)
• M3: 350,508 km (0.069 R)
• M4: 550,819 km (0.099 R)
• M5: 660,624 km (0.078 R)
• M6: 805,435 km (0.103 R)
• M7: 914,043 km (0.116 R)
• M8: 1,011,282 km (0.03 R)
• M9: 1,121,086 km (0.071 R)
• M10: 1,316,910 km (0.111 R)
• M11: 1,405,023 km (0.08 R)
• M12: 1,533,977 km (0.1 R)
• M13: 1,642,136 km (0.055 R)
• M14: 1,763,310 km (0.086 R)
• M15: 1,950,756 km (0.083 R)
• M16: 2,106,787 km (0.113 R)
• M17: 2,200,285 km (0.076 R)
• M18: 2,306,350 km (0.098 R)
• M19: 2,408,526 km (0.063 R)
• M20: 2,494,993 km (0.068 R)
• M21: 2,796,583 km (0.101 R)
• M22: 2,899,955 km (0.111 R)
• M23: 2,985,824 km (0.081 R)
• M24: 3,192,119 km (0.099 R)
• M25: 3,287,413 km (0.109 R)
• M26: 3,507,172 km (0.036 R)
• M27: 3,658,566 km (0.081 R)
• M28: 3,866,058 km (0.111 R)
• M29: 3,947,439 km (0.101 R)
• M30: 4,029,568 km (0.072 R)
• M31: 4,125,909 km (0.041 R)
• M32: 4,272,066 km (0.1 R)
• M33: 4,377,383 km (0.029 R)
• M34: 4,483,747 km (0.119 R)
• M35: 4,655,635 km (0.055 R)
• M36: 4,771,424 km (0.075 R)
• M37: 5,050,574 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.41 AU - 3.49 AU

Year: 4204 Days

Day: 13 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 74,680,435 km

• M1: 112,198 km (0.087 R)
• M2: 318,344 km (0.106 R)
• M3: 377,884 km (0.094 R)
• M4: 526,585 km (0.108 R)
• M5: 627,862 km (0.104 R)
• M6: 695,630 km (0.044 R)
• M7: 754,272 km (0.09 R)
• M8: 839,244 km (0.095 R)
• M9: 947,104 km (0.1 R)
• M10: 1,026,241 km (0.072 R)
• M11: 1,149,211 km (0.092 R)
• M12: 1,328,429 km (0.12 R)
• M13: 1,402,779 km (0.105 R)
• M14: 1,463,217 km (0.083 R)
• M15: 1,555,818 km (0.054 R)
• M16: 1,674,150 km (0.059 R)
• M17: 1,987,707 km (0.065 R)
• M18: 2,047,546 km (0.03 R)
• M19: 2,107,984 km (0.097 R)
• M20: 2,745,420 km (0.085 R)
• M21: 2,812,290 km (0.079 R)
• M22: 3,055,686 km (0.077 R)
• M23: 3,125,100 km (0.049 R)
• M24: 3,346,804 km (0.106 R)
• M25: 3,741,742 km (0.095 R)
• M26: 4,064,125 km (0.054 R)
• M27: 4,295,254 km (0.077 R)
• M28: 4,362,124 km (0.071 R)
• M29: 4,541,941 km (0.099 R)
• M30: 4,724,301 km (0.064 R)
• M31: 4,967,397 km (0.041 R)
• M32: 5,250,137 km (0.098 R)
• M33: 5,309,677 km (0.03 R)
• M34: 5,526,145 km (0.077 R)
• M35: 5,819,208 km (0.107 R)
• M36: 6,004,859 km (0.117 R)
• M37: 6,255,734 km (0.081 R)
• M38: 6,663,987 km (0.12 R)
• M39: 6,910,674 km (0.076 R)
• M40: 7,372,781 km (0.036 R)
• M41: 7,913,129 km (0.109 R)
• M42: 8,340,680 km (0.1 R)
• M43: 8,536,204 km (0.094 R)
• M44: 8,648,702 km (0.096 R)
• M45: 9,146,414 km (0.075 R)
• M46: 9,275,966 km (0.112 R)
• M47: 9,348,221 km (0.067 R)
• M48: 9,814,817 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550

Radius: 5.8

Gravity: 16.35 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.11 AU - 7.37 AU

Year: 12780 Days

Day: 15.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 74,680,435 km

• M1: 96,491 km (0.081 R)
• M2: 386,262 km (0.119 R)
• M3: 460,163 km (0.106 R)
• M4: 572,212 km (0.101 R)
• M5: 747,989 km (0.114 R)
• M6: 1,347,727 km (0.112 R)
• M7: 2,009,698 km (0.117 R)
• M8: 2,613,325 km (0.096 R)
• M9: 2,935,110 km (0.052 R)
• M10: 3,679,808 km (0.083 R)
• M11: 3,907,646 km (0.116 R)
• M12: 4,106,611 km (0.087 R)
• M13: 4,207,291 km (0.074 R)
• M14: 4,342,976 km (0.082 R)
• M15: 4,899,629 km (0.03 R)
• M16: 5,150,206 km (0.078 R)
• M17: 5,368,320 km (0.076 R)
• M18: 5,701,175 km (0.082 R)
• M19: 6,040,762 km (0.03 R)
• M20: 6,425,677 km (0.118 R)
• M21: 7,058,177 km (0.114 R)
• M22: 7,259,835 km (0.069 R)
• M23: 7,710,274 km (0.107 R)
• M24: 7,793,151 km (0.117 R)
• M25: 8,127,652 km (0.045 R)
• M26: 8,296,698 km (0.094 R)
• M27: 8,424,155 km (0.039 R)
• M28: 9,246,794 km (0.104 R)
• M29: 10,004,208 km (0.106 R)
• M30: 10,094,715 km (0.087 R)
• M31: 10,140,043 km (0.114 R)
• M32: 10,781,519 km (0.058 R)
• M33: 10,874,269 km (0.116 R)
• M34: 11,107,193 km (0.118 R)
• M35: 11,483,432 km (0.105 R)
• M36: 12,296,646 km (0.071 R)
• M37: 12,442,055 km (0.088 R)
• M38: 12,685,750 km (0.108 R)
• M39: 13,128,260 km (0.038 R)
• M40: 13,426,110 km (0.102 R)
• M41: 13,676,088 km (0.085 R)
• M42: 13,776,468 km (0.111 R)
• M43: 14,742,421 km (0.104 R)
• M44: 15,415,761 km (0.107 R)
• M45: 15,887,892 km (0.094 R)
• M46: 16,099,274 km (0.119 R)
• M47: 16,205,339 km (0.103 R)
• M48: 16,418,067 km (0.057 R)
• M49: 17,550,074 km (0.1 R)
• M50: 18,263,357 km (0.098 R)
• M51: 18,318,558 km (0.092 R)
• M52: 21,326,224 km (0.108 R)
• M53: 21,793,268 km (0.112 R)
• M54: 22,737,680 km (0.112 R)
• M55: 24,179,055 km (0.111 R)
• M56: 25,279,347 km (0.04 R)
• M57: 26,021,802 km (0.069 R)
• M58: 26,146,267 km (0.117 R)
• M59: 26,834,417 km (0.047 R)
• M60: 27,023,060 km (0.108 R)
• M61: 27,149,171 km (0.113 R)
• M62: 27,718,690 km (0.067 R)
• M63: 29,645,660 km (0.025 R)
• M64: 30,297,458 km (0.057 R)
• M65: 30,559,554 km (0.081 R)
• M66: 31,020,016 km (0.097 R)
• M67: 32,147,685 km (0.086 R)
• M68: 32,615,926 km (0.056 R)
• M69: 33,626,909 km (0.111 R)
• M70: 33,694,676 km (0.101 R)
• M71: 35,265,753 km (0.075 R)
• M72: 35,887,033 km (0.114 R)
• M73: 36,790,754 km (0.08 R)
• M74: 37,140,364 km (0.117 R)
• M75: 38,125,167 km (0.107 R)
• M76: 38,195,777 km (0.089 R)
• M77: 39,047,139 km (0.026 R)
• M78: 39,689,811 km (0.101 R)
• M79: 40,263,968 km (0.098 R)
• M80: 42,881,482 km (0.105 R)
• M81: 44,136,608 km (0.073 R)
• M82: 44,731,409 km (0.076 R)
• M83: 45,179,155 km (0.075 R)
• M84: 45,253,954 km (0.109 R)
• M85: 46,154,533 km (0.104 R)
• M86: 46,229,931 km (0.065 R)
• M87: 47,821,054 km (0.047 R)
• M88: 48,049,789 km (0.107 R)
• M89: 48,126,084 km (0.112 R)
• M90: 48,891,726 km (0.081 R)
• M91: 48,968,469 km (0.101 R)
• M92: 49,429,979 km (0.069 R)
• M93: 49,507,022 km (0.089 R)
• M94: 50,279,844 km (0.073 R)
• M95: 51,134,647 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.9

Radius: 5.1

Gravity: 25.76 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.5 AU - 9.8 AU

Year: 19665 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 74,680,435 km

• M1: 65,823 km (0.106 R)
• M2: 127,158 km (0.083 R)
• M3: 290,519 km (0.083 R)
• M4: 394,490 km (0.043 R)
• M5: 470,635 km (0.057 R)
• M6: 594,502 km (0.099 R)
• M7: 848,070 km (0.092 R)
• M8: 922,869 km (0.115 R)
• M9: 1,078,900 km (0.114 R)
• M10: 1,215,333 km (0.088 R)
• M11: 1,328,579 km (0.119 R)
• M12: 1,657,694 km (0.072 R)
• M13: 1,751,791 km (0.097 R)
• M14: 1,912,609 km (0.08 R)
• M15: 2,078,064 km (0.029 R)
• M16: 2,111,724 km (0.088 R)
• M17: 2,387,732 km (0.09 R)
• M18: 2,711,761 km (0.114 R)
• M19: 3,243,132 km (0.106 R)
• M20: 3,480,544 km (0.12 R)
• M21: 3,682,651 km (0.098 R)
• M22: 4,528,926 km (0.119 R)
• M23: 6,488,658 km (0.036 R)
• M24: 6,637,508 km (0.099 R)
• M25: 8,186,893 km (0.107 R)
• M26: 8,727,091 km (0.106 R)
• M27: 8,781,844 km (0.105 R)
• M28: 9,502,756 km (0.08 R)
• M29: 10,882,796 km (0.036 R)
• M30: 11,000,530 km (0.08 R)
• M31: 11,416,262 km (0.038 R)
• M32: 14,144,329 km (0.066 R)
• M33: 15,052,687 km (0.042 R)
• M34: 15,315,680 km (0.113 R)
• M35: 15,447,626 km (0.117 R)
• M36: 15,513,898 km (0.073 R)
• M37: 16,925,054 km (0.077 R)
• M38: 18,446,913 km (0.086 R)
• M39: 19,580,865 km (0.061 R)
• M40: 20,301,029 km (0.073 R)
• M41: 21,618,987 km (0.099 R)
• M42: 21,767,238 km (0.112 R)
• M43: 22,064,489 km (0.075 R)
• M44: 22,288,288 km (0.047 R)
• M45: 23,418,948 km (0.075 R)
• M46: 23,876,419 km (0.07 R)
• M47: 23,952,863 km (0.096 R)
• M48: 24,106,201 km (0.084 R)
• M49: 26,761,713 km (0.119 R)
• M50: 28,043,168 km (0.08 R)
• M51: 28,772,607 km (0.041 R)
• M52: 29,098,880 km (0.105 R)
• M53: 30,831,672 km (0.048 R)
• M54: 31,500,524 km (0.104 R)
• M55: 31,668,523 km (0.081 R)
• M56: 32,428,031 km (0.051 R)
• M57: 36,226,471 km (0.113 R)
• M58: 37,197,959 km (0.04 R)
• M59: 37,731,425 km (0.105 R)
• M60: 39,346,783 km (0.112 R)
• M61: 39,799,616 km (0.109 R)
• M62: 43,203,117 km (0.109 R)
• M63: 43,483,164 km (0.078 R)
• M64: 44,045,054 km (0.077 R)
• M65: 47,081,891 km (0.11 R)
• M66: 48,819,620 km (0.101 R)
• M67: 50,283,734 km (0.032 R)
• M68: 50,381,870 km (0.038 R)
• M69: 51,267,789 km (0.07 R)
• M70: 53,254,897 km (0.081 R)
• M71: 53,855,981 km (0.118 R)
• M72: 54,157,272 km (0.079 R)
• M73: 54,963,604 km (0.108 R)
• M74: 55,165,860 km (0.084 R)
• M75: 55,469,694 km (0.034 R)
• M76: 56,282,459 km (0.068 R)
• M77: 58,847,763 km (0.111 R)
• M78: 59,054,657 km (0.115 R)
• M79: 59,365,372 km (0.082 R)
• M80: 61,136,461 km (0.058 R)
• M81: 61,870,837 km (0.099 R)
• M82: 63,242,350 km (0.077 R)
• M83: 64,730,550 km (0.093 R)
• M84: 68,175,190 km (0.043 R)
• M85: 68,392,407 km (0.065 R)
• M86: 71,237,758 km (0.03 R)
• M87: 71,458,265 km (0.097 R)
• M88: 73,007,800 km (0.06 R)
• M89: 73,118,951 km (0.096 R)
• M90: 73,341,403 km (0.06 R)
• M91: 73,675,306 km (0.085 R)
• M92: 73,786,756 km (0.119 R)
• M93: 74,121,556 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 17,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit