🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.47 AU - 0.65 AU

Year: 275 Days

Day: 18.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.3

Radius: 9.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.8 AU - 0.88 AU

Year: 505 Days

Day: 7.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 22,952,355 km

• M1: 133,142 km (0.072 R)
• M2: 219,161 km (0.059 R)
• M3: 289,921 km (0.052 R)
• M4: 350,657 km (0.105 R)
• M5: 414,685 km (0.092 R)
• M6: 478,414 km (0.094 R)
• M7: 660,923 km (0.049 R)
• M8: 724,951 km (0.059 R)
• M9: 801,396 km (0.089 R)
• M10: 877,392 km (0.096 R)
• M11: 945,159 km (0.115 R)
• M12: 1,011,132 km (0.112 R)
• M13: 1,074,861 km (0.11 R)
• M14: 1,183,170 km (0.062 R)
• M15: 1,327,980 km (0.086 R)
• M16: 1,539,063 km (0.094 R)
• M17: 1,639,892 km (0.118 R)
• M18: 1,720,376 km (0.099 R)
• M19: 1,783,805 km (0.116 R)
• M20: 1,857,557 km (0.115 R)
• M21: 2,022,264 km (0.109 R)
• M22: 2,104,094 km (0.093 R)
• M23: 2,172,311 km (0.054 R)
• M24: 2,236,339 km (0.078 R)
• M25: 2,361,253 km (0.112 R)
• M26: 2,488,710 km (0.065 R)
• M27: 2,550,644 km (0.109 R)
• M28: 2,713,107 km (0.037 R)
• M29: 2,792,992 km (0.077 R)
• M30: 2,917,009 km (0.092 R)
• M31: 3,048,356 km (0.115 R)
• M32: 3,260,486 km (0.048 R)
• M33: 3,564,618 km (0.117 R)
• M34: 3,652,282 km (0.051 R)
• M35: 3,782,283 km (0.085 R)
• M36: 3,847,807 km (0.09 R)
• M37: 3,943,998 km (0.116 R)
• M38: 4,059,039 km (0.062 R)
• M39: 4,193,827 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 11.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.7 AU - 1.04 AU

Year: 532 Days

Day: 6.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 22,952,355 km

• M1: 147,653 km (0.062 R)
• M2: 257,458 km (0.067 R)
• M3: 343,327 km (0.119 R)
• M4: 448,494 km (0.103 R)
• M5: 537,206 km (0.089 R)
• M6: 627,264 km (0.102 R)
• M7: 720,164 km (0.111 R)
• M8: 921,373 km (0.119 R)
• M9: 993,928 km (0.091 R)
• M10: 1,083,089 km (0.057 R)
• M11: 1,156,541 km (0.109 R)
• M12: 1,235,529 km (0.111 R)
• M13: 1,363,734 km (0.093 R)
• M14: 1,500,616 km (0.108 R)
• M15: 1,667,717 km (0.1 R)
• M16: 1,740,721 km (0.082 R)
• M17: 1,979,778 km (0.096 R)
• M18: 2,066,545 km (0.073 R)
• M19: 2,210,907 km (0.113 R)
• M20: 2,353,922 km (0.055 R)
• M21: 2,500,080 km (0.104 R)
• M22: 2,599,113 km (0.114 R)
• M23: 2,689,471 km (0.111 R)
• M24: 2,781,024 km (0.084 R)
• M25: 2,894,270 km (0.088 R)
• M26: 2,993,304 km (0.045 R)
• M27: 3,379,117 km (0.053 R)
• M28: 3,461,396 km (0.099 R)
• M29: 3,854,988 km (0.064 R)
• M30: 3,975,863 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.4

Radius: 12.7

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.98 AU - 1 AU

Year: 646 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 22,952,355 km

• M1: 168,447 km (0.108 R)
• M2: 249,080 km (0.114 R)
• M3: 332,855 km (0.074 R)
• M4: 447,746 km (0.094 R)
• M5: 715,227 km (0.065 R)
• M6: 818,151 km (0.102 R)
• M7: 906,563 km (0.107 R)
• M8: 1,051,224 km (0.116 R)
• M9: 1,165,068 km (0.041 R)
• M10: 1,266,346 km (0.046 R)
• M11: 1,454,091 km (0.051 R)
• M12: 1,714,990 km (0.059 R)
• M13: 1,871,021 km (0.075 R)
• M14: 2,045,751 km (0.102 R)
• M15: 2,169,768 km (0.103 R)
• M16: 2,506,064 km (0.093 R)
• M17: 2,594,775 km (0.087 R)
• M18: 2,737,192 km (0.095 R)
• M19: 2,836,226 km (0.088 R)
• M20: 3,117,021 km (0.045 R)
• M21: 3,212,614 km (0.113 R)
• M22: 3,464,238 km (0.095 R)
• M23: 3,546,816 km (0.115 R)
• M24: 3,655,274 km (0.095 R)
• M25: 3,764,780 km (0.088 R)
• M26: 3,943,998 km (0.094 R)
• M27: 4,073,849 km (0.105 R)
• M28: 4,222,699 km (0.118 R)
• M29: 4,302,136 km (0.118 R)
• M30: 4,391,146 km (0.103 R)
• M31: 4,480,755 km (0.048 R)
• M32: 5,040,850 km (0.069 R)
• M33: 5,144,222 km (0.115 R)
• M34: 5,362,784 km (0.108 R)
• M35: 5,477,975 km (0.077 R)
• M36: 5,613,511 km (0.095 R)
• M37: 5,710,899 km (0.072 R)
• M38: 5,809,035 km (0.075 R)
• M39: 6,056,619 km (0.025 R)
• M40: 6,196,793 km (0.104 R)
• M41: 6,338,163 km (0.084 R)
• M42: 6,419,394 km (0.119 R)
• M43: 6,624,044 km (0.101 R)
• M44: 6,706,473 km (0.113 R)
• M45: 6,809,994 km (0.106 R)
• M46: 6,914,114 km (0.052 R)
• M47: 7,008,211 km (0.061 R)
• M48: 7,166,187 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.7

Radius: 8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.04 AU - 1.5 AU

Year: 939 Days

Day: 8.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 22,952,355 km

• M1: 100,081 km (0.076 R)
• M2: 186,249 km (0.098 R)
• M3: 277,953 km (0.104 R)
• M4: 384,616 km (0.037 R)
• M5: 520,152 km (0.12 R)
• M6: 730,486 km (0.113 R)
• M7: 839,244 km (0.07 R)
• M8: 953,537 km (0.066 R)
• M9: 1,069,625 km (0.066 R)
• M10: 1,120,488 km (0.094 R)
• M11: 1,224,459 km (0.086 R)
• M12: 1,331,870 km (0.078 R)
• M13: 1,430,305 km (0.054 R)
• M14: 1,506,899 km (0.037 R)
• M15: 1,568,384 km (0.092 R)
• M16: 1,647,521 km (0.069 R)
• M17: 1,822,850 km (0.104 R)
• M18: 1,919,341 km (0.065 R)
• M19: 2,049,491 km (0.118 R)
• M20: 2,136,258 km (0.117 R)
• M21: 2,201,033 km (0.056 R)
• M22: 2,394,464 km (0.103 R)
• M23: 2,466,570 km (0.068 R)
• M24: 2,524,913 km (0.075 R)
• M25: 2,662,693 km (0.11 R)
• M26: 2,752,750 km (0.071 R)
• M27: 2,848,792 km (0.088 R)
• M28: 2,940,795 km (0.04 R)
• M29: 3,091,141 km (0.106 R)
• M30: 3,453,766 km (0.1 R)
• M31: 3,645,700 km (0.052 R)
• M32: 3,729,026 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 15

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.87 AU - 3.39 AU

Year: 3633 Days

Day: 7.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,952,355 km

• M1: 191,036 km (0.059 R)
• M2: 342,878 km (0.111 R)
• M3: 482,154 km (0.059 R)
• M4: 597,793 km (0.117 R)
• M5: 965,355 km (0.059 R)
• M6: 1,135,897 km (0.094 R)
• M7: 1,306,737 km (0.112 R)
• M8: 1,605,784 km (0.085 R)
• M9: 2,002,068 km (0.064 R)
• M10: 2,342,852 km (0.028 R)
• M11: 2,462,979 km (0.102 R)
• M12: 2,605,995 km (0.11 R)
• M13: 2,928,827 km (0.102 R)
• M14: 3,058,977 km (0.066 R)
• M15: 3,675,919 km (0.087 R)
• M16: 4,023,136 km (0.076 R)
• M17: 4,414,184 km (0.094 R)
• M18: 4,564,081 km (0.091 R)
• M19: 4,698,720 km (0.068 R)
• M20: 4,903,369 km (0.049 R)
• M21: 5,076,155 km (0.041 R)
• M22: 5,277,364 km (0.068 R)
• M23: 5,392,255 km (0.108 R)
• M24: 5,534,822 km (0.079 R)
• M25: 5,669,759 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 9.1

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.53 AU - 3.97 AU

Year: 3844 Days

Day: 10.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 22,952,355 km

• M1: 129,552 km (0.097 R)
• M2: 256,411 km (0.085 R)
• M3: 345,870 km (0.093 R)
• M4: 699,220 km (0.078 R)
• M5: 846,275 km (0.106 R)
• M6: 935,136 km (0.096 R)
• M7: 1,074,412 km (0.106 R)
• M8: 1,159,084 km (0.095 R)
• M9: 1,221,018 km (0.087 R)
• M10: 1,335,311 km (0.049 R)
• M11: 1,440,029 km (0.097 R)
• M12: 1,561,203 km (0.025 R)
• M13: 1,699,881 km (0.102 R)
• M14: 1,871,918 km (0.094 R)
• M15: 2,110,228 km (0.118 R)
• M16: 2,264,164 km (0.119 R)
• M17: 2,731,657 km (0.099 R)
• M18: 3,019,633 km (0.106 R)
• M19: 3,141,106 km (0.1 R)
• M20: 3,211,268 km (0.065 R)
• M21: 3,643,157 km (0.106 R)
• M22: 3,828,509 km (0.1 R)
• M23: 4,247,532 km (0.032 R)
• M24: 4,344,771 km (0.085 R)
• M25: 5,046,385 km (0.062 R)
• M26: 5,191,046 km (0.039 R)
• M27: 5,274,223 km (0.089 R)
• M28: 5,804,697 km (0.083 R)
• M29: 6,175,101 km (0.055 R)
• M30: 6,241,223 km (0.088 R)
• M31: 6,307,645 km (0.096 R)
• M32: 6,530,695 km (0.091 R)
• M33: 7,007,613 km (0.119 R)
• M34: 7,378,616 km (0.118 R)
• M35: 7,661,057 km (0.086 R)
• M36: 8,212,325 km (0.093 R)
• M37: 8,900,625 km (0.082 R)
• M38: 9,025,539 km (0.116 R)
• M39: 9,277,013 km (0.086 R)
• M40: 9,479,867 km (0.104 R)
• M41: 9,607,474 km (0.077 R)
• M42: 9,838,454 km (0.062 R)
• M43: 9,993,587 km (0.12 R)
• M44: 10,149,468 km (0.091 R)
• M45: 10,384,785 km (0.119 R)
• M46: 10,807,549 km (0.112 R)
• M47: 11,861,615 km (0.103 R)
• M48: 12,081,973 km (0.067 R)
• M49: 12,303,677 km (0.051 R)
• M50: 12,722,850 km (0.06 R)
• M51: 12,807,223 km (0.074 R)
• M52: 12,976,568 km (0.095 R)
• M53: 13,374,798 km (0.116 R)
• M54: 14,977,290 km (0.035 R)
• M55: 15,575,083 km (0.089 R)
• M56: 16,119,619 km (0.105 R)
• M57: 16,241,542 km (0.107 R)
• M58: 16,302,578 km (0.068 R)
• M59: 17,853,608 km (0.106 R)
• M60: 18,106,129 km (0.095 R)
• M61: 18,551,034 km (0.108 R)
• M62: 18,646,776 km (0.117 R)
• M63: 18,774,682 km (0.071 R)
• M64: 18,838,860 km (0.094 R)
• M65: 18,903,037 km (0.11 R)
• M66: 19,031,542 km (0.077 R)
• M67: 19,451,314 km (0.1 R)
• M68: 19,581,164 km (0.063 R)
• M69: 19,874,227 km (0.119 R)
• M70: 20,431,778 km (0.09 R)
• M71: 20,894,783 km (0.098 R)
• M72: 20,994,416 km (0.114 R)
• M73: 21,461,610 km (0.085 R)
• M74: 21,730,138 km (0.106 R)
• M75: 21,831,266 km (0.097 R)
• M76: 22,644,779 km (0.091 R)
• M77: 22,815,470 km (0.081 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: 282 - 10,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit