🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 10.6

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.86 AU - 1.22 AU

Year: 674 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,365,001 km

• M1: 131,796 km (0.094 R)
• M2: 477,068 km (0.114 R)
• M3: 864,975 km (0.049 R)
• M4: 1,514,230 km (0.118 R)
• M5: 1,989,203 km (0.115 R)
• M6: 2,359,607 km (0.057 R)
• M7: 3,039,829 km (0.06 R)
• M8: 4,023,285 km (0.115 R)
• M9: 4,772,022 km (0.111 R)
• M10: 5,117,743 km (0.114 R)
• M11: 6,483,123 km (0.094 R)
• M12: 6,864,897 km (0.109 R)
• M13: 7,239,340 km (0.089 R)
• M14: 8,005,132 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.4

Radius: 10.2

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.12 AU - 1.16 AU

Year: 774 Days

Day: 7.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,365,001 km

• M1: 126,859 km (0.09 R)
• M2: 484,847 km (0.108 R)
• M3: 1,000,511 km (0.114 R)
• M4: 1,442,871 km (0.114 R)
• M5: 2,082,851 km (0.062 R)
• M6: 4,064,873 km (0.103 R)
• M7: 4,508,730 km (0.108 R)
• M8: 4,858,191 km (0.087 R)
• M9: 5,320,448 km (0.119 R)
• M10: 5,934,398 km (0.063 R)
• M11: 6,333,525 km (0.039 R)
• M12: 6,773,044 km (0.065 R)
• M13: 8,318,090 km (0.063 R)
• M14: 8,685,204 km (0.066 R)
• M15: 9,423,768 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.8

Radius: 8.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.73 AU - 2.77 AU

Year: 2146 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,365,001 km

• M1: 110,702 km (0.107 R)
• M2: 692,189 km (0.094 R)
• M3: 1,031,926 km (0.111 R)
• M4: 1,312,123 km (0.067 R)
• M5: 2,376,661 km (0.066 R)
• M6: 3,102,061 km (0.109 R)
• M7: 3,606,805 km (0.09 R)
• M8: 4,509,927 km (0.056 R)
• M9: 5,139,136 km (0.086 R)
• M10: 5,679,633 km (0.059 R)
• M11: 6,279,670 km (0.028 R)
• M12: 7,530,607 km (0.072 R)
• M13: 9,369,015 km (0.088 R)
• M14: 10,392,265 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.9

Radius: 14.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.7 AU - 6.74 AU

Year: 8698 Days

Day: 9.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,365,001 km

• M1: 180,265 km (0.068 R)
• M2: 800,049 km (0.092 R)
• M3: 1,831,078 km (0.046 R)
• M4: 2,519,228 km (0.111 R)
• M5: 3,199,001 km (0.074 R)
• M6: 3,654,526 km (0.12 R)
• M7: 5,229,642 km (0.108 R)
• M8: 6,033,881 km (0.117 R)
• M9: 7,182,493 km (0.077 R)
• M10: 9,445,011 km (0.103 R)
• M11: 10,441,931 km (0.106 R)
• M12: 11,455,607 km (0.104 R)
• M13: 12,367,854 km (0.078 R)
• M14: 18,891,369 km (0.088 R)
• M15: 19,483,776 km (0.067 R)
• M16: 23,134,114 km (0.116 R)
• M17: 24,943,051 km (0.057 R)
• M18: 28,357,324 km (0.115 R)
• M19: 30,529,036 km (0.118 R)
• M20: 31,448,614 km (0.108 R)
• M21: 33,882,571 km (0.118 R)
• M22: 38,293,016 km (0.115 R)
• M23: 40,086,694 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.6

Radius: 3.5

Gravity: 49.52 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.99 AU - 7.57 AU

Year: 12489 Days

Day: 15.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,365,001 km

• M1: 43,533 km (0.089 R)
• M2: 470,186 km (0.058 R)
• M3: 635,043 km (0.119 R)
• M4: 2,103,196 km (0.095 R)
• M5: 3,183,143 km (0.118 R)
• M6: 3,639,567 km (0.112 R)
• M7: 3,828,210 km (0.09 R)
• M8: 3,995,161 km (0.098 R)
• M9: 4,871,655 km (0.117 R)
• M10: 5,034,716 km (0.097 R)
• M11: 5,406,317 km (0.088 R)
• M12: 5,868,874 km (0.062 R)
• M13: 7,160,502 km (0.036 R)
• M14: 7,457,005 km (0.095 R)
• M15: 8,029,367 km (0.044 R)
• M16: 9,460,869 km (0.074 R)
• M17: 11,165,985 km (0.1 R)
• M18: 11,680,153 km (0.106 R)
• M19: 13,003,047 km (0.088 R)
• M20: 15,729,169 km (0.115 R)
• M21: 16,229,723 km (0.079 R)
• M22: 22,545,446 km (0.119 R)
• M23: 24,679,759 km (0.041 R)
• M24: 26,642,034 km (0.078 R)
• M25: 28,389,487 km (0.067 R)
• M26: 29,130,745 km (0.042 R)
• M27: 32,110,884 km (0.117 R)
• M28: 34,206,750 km (0.098 R)
• M29: 34,445,059 km (0.097 R)
• M30: 40,237,489 km (0.109 R)
• M31: 42,532,470 km (0.059 R)
• M32: 46,354,247 km (0.095 R)
• M33: 46,939,174 km (0.103 R)
• M34: 51,797,365 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.7

Radius: 7.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.3 AU - 9.64 AU

Year: 14306 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,365,001 km

• M1: 109,954 km (0.101 R)
• M2: 406,457 km (0.058 R)
• M3: 982,858 km (0.12 R)
• M4: 1,880,296 km (0.1 R)
• M5: 2,487,364 km (0.104 R)
• M6: 4,005,483 km (0.036 R)
• M7: 5,257,318 km (0.087 R)
• M8: 7,494,405 km (0.118 R)
• M9: 8,821,786 km (0.084 R)
• M10: 10,349,629 km (0.082 R)
• M11: 18,982,773 km (0.105 R)
• M12: 27,698,794 km (0.036 R)
• M13: 28,485,379 km (0.112 R)
• M14: 30,206,503 km (0.101 R)
• M15: 36,248,312 km (0.109 R)
• M16: 40,989,667 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.8

Radius: 6.2

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.4 AU - 9.2 AU

Year: 15204 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,365,001 km

• M1: 77,043 km (0.097 R)
• M2: 337,194 km (0.095 R)
• M3: 693,536 km (0.117 R)
• M4: 1,663,977 km (0.096 R)
• M5: 1,857,557 km (0.054 R)
• M6: 2,139,100 km (0.049 R)
• M7: 2,551,691 km (0.102 R)
• M8: 2,810,346 km (0.075 R)
• M9: 3,134,375 km (0.116 R)
• M10: 3,613,537 km (0.069 R)
• M11: 4,942,863 km (0.093 R)
• M12: 5,175,488 km (0.095 R)
• M13: 5,807,689 km (0.045 R)
• M14: 6,180,486 km (0.095 R)
• M15: 6,411,765 km (0.091 R)
• M16: 6,688,970 km (0.052 R)
• M17: 7,309,651 km (0.109 R)
• M18: 10,287,696 km (0.11 R)
• M19: 11,688,381 km (0.093 R)
• M20: 13,660,829 km (0.081 R)
• M21: 13,922,027 km (0.102 R)
• M22: 14,120,094 km (0.047 R)
• M23: 14,589,682 km (0.089 R)
• M24: 15,630,883 km (0.077 R)
• M25: 20,633,436 km (0.073 R)
• M26: 24,727,630 km (0.046 R)
• M27: 25,115,837 km (0.074 R)
• M28: 34,356,946 km (0.1 R)
• M29: 37,580,332 km (0.078 R)
• M30: 40,999,540 km (0.115 R)
• M31: 42,645,416 km (0.099 R)
• M32: 49,362,959 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.6

Radius: 4.1

Gravity: 32.64 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.18 AU - 11.82 AU

Year: 18617 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,365,001 km

• M1: 51,312 km (0.084 R)
• M2: 188,942 km (0.106 R)
• M3: 375,939 km (0.057 R)
• M4: 674,387 km (0.107 R)
• M5: 1,180,327 km (0.056 R)
• M6: 1,960,929 km (0.112 R)
• M7: 2,912,371 km (0.098 R)
• M8: 3,113,730 km (0.097 R)
• M9: 3,803,227 km (0.081 R)
• M10: 4,456,820 km (0.107 R)
• M11: 4,690,342 km (0.086 R)
• M12: 5,073,911 km (0.106 R)
• M13: 5,291,725 km (0.082 R)
• M14: 6,267,104 km (0.109 R)
• M15: 7,310,848 km (0.116 R)
• M16: 11,373,029 km (0.058 R)
• M17: 11,558,530 km (0.118 R)
• M18: 13,805,639 km (0.062 R)
• M19: 16,722,798 km (0.106 R)
• M20: 18,282,356 km (0.097 R)
• M21: 19,140,748 km (0.119 R)
• M22: 20,478,453 km (0.062 R)
• M23: 20,753,264 km (0.105 R)
• M24: 21,030,469 km (0.116 R)
• M25: 23,338,165 km (0.097 R)
• M26: 30,424,317 km (0.114 R)
• M27: 34,257,912 km (0.046 R)
• M28: 35,957,045 km (0.102 R)
• M29: 39,663,931 km (0.081 R)
• M30: 40,954,063 km (0.108 R)
• M31: 43,015,970 km (0.104 R)
• M32: 43,165,867 km (0.109 R)
• M33: 44,683,837 km (0.062 R)
• M34: 59,606,075 km (0.095 R)
• M35: 61,867,396 km (0.054 R)
• M36: 63,212,580 km (0.083 R)
• M37: 64,381,089 km (0.027 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 16,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit