🌌 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 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 8.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.53 AU - 0.57 AU

Year: 277 Days

Day: 10.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,883,718 km

• M1: 114,293 km (0.066 R)
• M2: 492,177 km (0.11 R)
• M3: 811,120 km (0.086 R)
• M4: 1,160,730 km (0.061 R)
• M5: 1,562,550 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 12.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.9 AU - 1.42 AU

Year: 847 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,883,718 km

• M1: 152,590 km (0.11 R)
• M2: 535,710 km (0.115 R)
• M3: 918,980 km (0.047 R)
• M4: 1,533,827 km (0.057 R)
• M5: 2,432,162 km (0.113 R)
• M6: 3,299,531 km (0.108 R)
• M7: 3,777,645 km (0.087 R)
• M8: 4,241,100 km (0.119 R)
• M9: 4,742,701 km (0.07 R)
• M10: 5,248,641 km (0.053 R)
• M11: 5,790,335 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 10.8

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.09 AU - 1.77 AU

Year: 1160 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,883,718 km

• M1: 135,835 km (0.115 R)
• M2: 530,773 km (0.085 R)
• M3: 1,173,147 km (0.091 R)
• M4: 1,746,854 km (0.111 R)
• M5: 2,083,450 km (0.109 R)
• M6: 3,115,226 km (0.118 R)
• M7: 4,065,472 km (0.112 R)
• M8: 4,422,113 km (0.078 R)
• M9: 5,096,949 km (0.055 R)
• M10: 5,707,009 km (0.117 R)
• M11: 7,564,716 km (0.115 R)
• M12: 8,079,183 km (0.092 R)
• M13: 10,638,802 km (0.06 R)
• M14: 12,581,630 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.9

Radius: 10

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.59 AU - 1.67 AU

Year: 1411 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,883,718 km

• M1: 126,560 km (0.097 R)
• M2: 439,369 km (0.112 R)
• M3: 763,548 km (0.068 R)
• M4: 1,467,854 km (0.116 R)
• M5: 1,926,222 km (0.095 R)
• M6: 2,842,958 km (0.114 R)
• M7: 3,531,258 km (0.051 R)
• M8: 3,979,004 km (0.061 R)
• M9: 5,102,783 km (0.111 R)
• M10: 5,842,395 km (0.114 R)
• M11: 7,191,618 km (0.064 R)
• M12: 7,862,266 km (0.105 R)
• M13: 8,439,115 km (0.115 R)
• M14: 9,472,687 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 14.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.48 AU - 3.22 AU

Year: 3263 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,883,718 km

• M1: 183,108 km (0.103 R)
• M2: 652,995 km (0.051 R)
• M3: 1,291,179 km (0.094 R)
• M4: 1,850,825 km (0.035 R)
• M5: 3,943,998 km (0.093 R)
• M6: 5,272,876 km (0.092 R)
• M7: 6,164,629 km (0.12 R)
• M8: 6,676,254 km (0.082 R)
• M9: 8,871,603 km (0.071 R)
• M10: 10,056,717 km (0.067 R)
• M11: 11,177,953 km (0.111 R)
• M12: 12,604,817 km (0.104 R)
• M13: 15,044,459 km (0.113 R)
• M14: 17,841,192 km (0.086 R)
• M15: 18,416,246 km (0.051 R)
• M16: 19,969,820 km (0.116 R)
• M17: 21,287,179 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.8

Radius: 6.7

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.88 AU - 8.9 AU

Year: 15032 Days

Day: 21.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,883,718 km

• M1: 86,168 km (0.078 R)
• M2: 368,759 km (0.092 R)
• M3: 938,727 km (0.093 R)
• M4: 1,437,037 km (0.057 R)
• M5: 2,008,651 km (0.105 R)
• M6: 2,406,431 km (0.073 R)
• M7: 2,635,166 km (0.092 R)
• M8: 3,112,533 km (0.098 R)
• M9: 3,359,220 km (0.106 R)
• M10: 3,754,159 km (0.098 R)
• M11: 4,298,096 km (0.072 R)
• M12: 5,262,404 km (0.045 R)
• M13: 5,578,056 km (0.1 R)
• M14: 7,699,503 km (0.069 R)
• M15: 9,414,344 km (0.099 R)
• M16: 10,801,265 km (0.064 R)
• M17: 12,750,975 km (0.11 R)
• M18: 13,129,008 km (0.094 R)
• M19: 18,507,650 km (0.12 R)
• M20: 19,074,028 km (0.064 R)
• M21: 20,583,769 km (0.101 R)
• M22: 21,455,925 km (0.097 R)
• M23: 23,180,639 km (0.055 R)
• M24: 23,461,284 km (0.071 R)
• M25: 29,668,699 km (0.062 R)
• M26: 30,332,763 km (0.077 R)
• M27: 34,404,817 km (0.086 R)
• M28: 37,398,570 km (0.113 R)
• M29: 44,327,794 km (0.095 R)
• M30: 46,666,308 km (0.087 R)
• M31: 48,017,177 km (0.112 R)
• M32: 50,954,232 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.2

Radius: 4.6

Gravity: 14.8 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.54 AU - 9.4 AU

Year: 16719 Days

Day: 24.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,883,718 km

• M1: 61,036 km (0.068 R)
• M2: 436,527 km (0.096 R)
• M3: 588,219 km (0.064 R)
• M4: 1,024,147 km (0.115 R)
• M5: 1,247,497 km (0.09 R)
• M6: 1,418,487 km (0.094 R)
• M7: 1,681,330 km (0.069 R)
• M8: 1,924,577 km (0.03 R)
• M9: 2,542,565 km (0.065 R)
• M10: 3,432,822 km (0.108 R)
• M11: 3,664,699 km (0.1 R)
• M12: 4,074,298 km (0.066 R)
• M13: 4,275,507 km (0.093 R)
• M14: 4,423,310 km (0.091 R)
• M15: 6,321,258 km (0.055 R)
• M16: 6,474,745 km (0.086 R)
• M17: 6,828,993 km (0.113 R)
• M18: 7,237,545 km (0.055 R)
• M19: 8,749,381 km (0.115 R)
• M20: 9,579,051 km (0.101 R)
• M21: 9,884,081 km (0.045 R)
• M22: 10,837,767 km (0.116 R)
• M23: 13,049,871 km (0.105 R)
• M24: 13,236,420 km (0.102 R)
• M25: 13,551,174 km (0.095 R)
• M26: 16,037,640 km (0.046 R)
• M27: 16,467,584 km (0.059 R)
• M28: 21,370,205 km (0.074 R)
• M29: 24,431,875 km (0.09 R)
• M30: 26,761,114 km (0.056 R)
• M31: 28,082,512 km (0.111 R)
• M32: 29,553,508 km (0.117 R)
• M33: 32,877,274 km (0.105 R)
• M34: 36,687,980 km (0.07 R)
• M35: 43,077,455 km (0.058 R)
• M36: 44,326,447 km (0.068 R)
• M37: 45,030,605 km (0.083 R)
• M38: 45,742,242 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.2

Radius: 3.8

Gravity: 21.83 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.26 AU - 10.5 AU

Year: 22682 Days

Day: 24.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,883,718 km

• M1: 47,273 km (0.09 R)
• M2: 233,971 km (0.086 R)
• M3: 506,239 km (0.091 R)
• M4: 1,195,287 km (0.11 R)
• M5: 1,588,131 km (0.113 R)
• M6: 3,000,933 km (0.112 R)
• M7: 3,360,118 km (0.093 R)
• M8: 6,301,511 km (0.077 R)
• M9: 6,424,331 km (0.073 R)
• M10: 8,123,015 km (0.066 R)
• M11: 11,499,888 km (0.087 R)
• M12: 16,161,806 km (0.051 R)
• M13: 20,031,005 km (0.083 R)
• M14: 23,479,236 km (0.061 R)
• M15: 27,849,289 km (0.12 R)
• M16: 28,514,701 km (0.099 R)
• M17: 30,691,798 km (0.097 R)
• M18: 31,521,169 km (0.101 R)
• M19: 32,609,045 km (0.083 R)
• M20: 43,401,933 km (0.119 R)
• M21: 45,659,514 km (0.062 R)
• M22: 47,364,032 km (0.112 R)
• M23: 48,789,700 km (0.113 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: 359 - 13,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit