🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.3

Radius: 14.6

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.73 AU - 0.85 AU

Year: 461 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,494,846 km

• M1: 181,612 km (0.105 R)
• M2: 638,633 km (0.069 R)
• M3: 1,161,478 km (0.096 R)
• M4: 1,637,199 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 8.4

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.75 AU - 1.17 AU

Year: 617 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,494,846 km

• M1: 107,561 km (0.052 R)
• M2: 430,393 km (0.087 R)
• M3: 750,832 km (0.063 R)
• M4: 1,271,582 km (0.099 R)
• M5: 1,559,707 km (0.088 R)
• M6: 1,857,557 km (0.107 R)
• M7: 2,261,321 km (0.079 R)
• M8: 2,790,449 km (0.086 R)
• M9: 3,208,276 km (0.089 R)
• M10: 4,492,125 km (0.035 R)
• M11: 6,545,655 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182

Radius: 13.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.51 AU - 1.85 AU

Year: 1428 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,494,846 km

• M1: 172,935 km (0.066 R)
• M2: 728,990 km (0.099 R)
• M3: 1,345,932 km (0.111 R)
• M4: 2,565,603 km (0.063 R)
• M5: 3,075,134 km (0.073 R)
• M6: 4,193,228 km (0.103 R)
• M7: 4,637,684 km (0.073 R)
• M8: 5,418,884 km (0.074 R)
• M9: 5,909,265 km (0.119 R)
• M10: 7,111,135 km (0.094 R)
• M11: 7,584,462 km (0.101 R)
• M12: 8,248,527 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 13.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.43 AU - 2.03 AU

Year: 1493 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,494,846 km

• M1: 167,849 km (0.092 R)
• M2: 831,016 km (0.099 R)
• M3: 1,634,207 km (0.105 R)
• M4: 2,213,001 km (0.089 R)
• M5: 2,704,430 km (0.054 R)
• M6: 3,756,103 km (0.103 R)
• M7: 4,254,414 km (0.119 R)
• M8: 4,736,568 km (0.101 R)
• M9: 5,720,174 km (0.078 R)
• M10: 7,069,995 km (0.117 R)
• M11: 7,976,409 km (0.114 R)
• M12: 8,774,514 km (0.077 R)
• M13: 9,987,004 km (0.068 R)
• M14: 11,675,067 km (0.066 R)
• M15: 12,980,906 km (0.068 R)
• M16: 13,587,077 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 10.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.57 AU - 3.67 AU

Year: 3615 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,494,846 km

• M1: 131,796 km (0.083 R)
• M2: 464,651 km (0.045 R)
• M3: 854,653 km (0.057 R)
• M4: 1,292,226 km (0.078 R)
• M5: 1,745,658 km (0.088 R)
• M6: 2,602,554 km (0.028 R)
• M7: 2,978,344 km (0.073 R)
• M8: 3,600,671 km (0.118 R)
• M9: 3,943,250 km (0.077 R)
• M10: 4,329,961 km (0.09 R)
• M11: 5,306,236 km (0.063 R)
• M12: 5,698,033 km (0.079 R)
• M13: 6,569,441 km (0.105 R)
• M14: 8,934,434 km (0.053 R)
• M15: 9,951,998 km (0.078 R)
• M16: 11,171,371 km (0.078 R)
• M17: 12,127,151 km (0.094 R)
• M18: 15,269,455 km (0.079 R)
• M19: 16,555,697 km (0.111 R)
• M20: 18,028,937 km (0.04 R)
• M21: 18,558,813 km (0.077 R)
• M22: 19,342,406 km (0.06 R)
• M23: 21,892,152 km (0.081 R)
• M24: 22,360,394 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.9

Radius: 11.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.78 AU - 6.02 AU

Year: 7115 Days

Day: 10.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,494,846 km

• M1: 144,362 km (0.109 R)
• M2: 540,796 km (0.082 R)
• M3: 1,068,278 km (0.069 R)
• M4: 1,990,400 km (0.082 R)
• M5: 2,503,371 km (0.066 R)
• M6: 3,316,884 km (0.044 R)
• M7: 4,118,579 km (0.059 R)
• M8: 5,162,473 km (0.099 R)
• M9: 6,272,938 km (0.073 R)
• M10: 8,289,218 km (0.099 R)
• M11: 9,311,420 km (0.102 R)
• M12: 10,085,140 km (0.046 R)
• M13: 12,127,451 km (0.059 R)
• M14: 12,939,318 km (0.11 R)
• M15: 13,443,613 km (0.094 R)
• M16: 14,551,235 km (0.116 R)
• M17: 15,718,847 km (0.103 R)
• M18: 16,487,780 km (0.064 R)
• M19: 19,378,011 km (0.061 R)
• M20: 20,638,373 km (0.057 R)
• M21: 21,952,740 km (0.116 R)
• M22: 22,913,607 km (0.053 R)
• M23: 24,069,699 km (0.114 R)
• M24: 29,180,860 km (0.078 R)
• M25: 29,951,738 km (0.044 R)
• M26: 30,835,113 km (0.083 R)
• M27: 32,345,902 km (0.106 R)
• M28: 37,511,965 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.9

Radius: 3.5

Gravity: 45.87 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.94 AU - 7.64 AU

Year: 10349 Days

Day: 24.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 169.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,494,846 km

• M1: 47,423 km (0.098 R)
• M2: 343,477 km (0.076 R)
• M3: 480,508 km (0.098 R)
• M4: 916,437 km (0.096 R)
• M5: 1,050,327 km (0.077 R)
• M6: 1,383,631 km (0.097 R)
• M7: 1,589,029 km (0.1 R)
• M8: 2,764,120 km (0.113 R)
• M9: 3,441,499 km (0.107 R)
• M10: 4,112,445 km (0.087 R)
• M11: 4,392,193 km (0.09 R)
• M12: 5,707,907 km (0.074 R)
• M13: 7,969,079 km (0.117 R)
• M14: 12,236,208 km (0.104 R)
• M15: 12,931,689 km (0.108 R)
• M16: 20,256,150 km (0.109 R)
• M17: 31,085,690 km (0.071 R)
• M18: 35,408,769 km (0.079 R)
• M19: 37,412,333 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.9

Radius: 7.1

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.04 AU - 8.18 AU

Year: 11148 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,494,846 km

• M1: 88,412 km (0.094 R)
• M2: 486,791 km (0.071 R)
• M3: 1,120,189 km (0.108 R)
• M4: 1,564,644 km (0.112 R)
• M5: 1,820,307 km (0.062 R)
• M6: 3,570,901 km (0.09 R)
• M7: 5,119,239 km (0.093 R)
• M8: 6,150,118 km (0.03 R)
• M9: 6,910,075 km (0.086 R)
• M10: 10,426,972 km (0.115 R)
• M11: 14,263,110 km (0.105 R)
• M12: 19,497,090 km (0.084 R)
• M13: 20,301,329 km (0.039 R)
• M14: 20,629,098 km (0.117 R)
• M15: 23,830,492 km (0.085 R)
• M16: 24,749,472 km (0.102 R)
• M17: 27,547,849 km (0.091 R)
• M18: 29,282,736 km (0.094 R)
• M19: 29,596,293 km (0.12 R)
• M20: 33,194,571 km (0.078 R)
• M21: 36,227,219 km (0.092 R)
• M22: 38,058,297 km (0.032 R)
• M23: 43,106,028 km (0.064 R)
• M24: 43,920,289 km (0.113 R)
• M25: 46,141,518 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.4

Radius: 5.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.08 AU - 8.28 AU

Year: 11326 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,494,846 km

• M1: 72,405 km (0.087 R)
• M2: 294,259 km (0.111 R)
• M3: 620,682 km (0.076 R)
• M4: 848,370 km (0.096 R)
• M5: 1,534,725 km (0.037 R)
• M6: 1,756,877 km (0.106 R)
• M7: 2,424,233 km (0.101 R)
• M8: 3,111,935 km (0.048 R)
• M9: 3,367,747 km (0.099 R)
• M10: 4,710,388 km (0.106 R)
• M11: 5,128,664 km (0.095 R)
• M12: 5,743,810 km (0.114 R)
• M13: 6,099,404 km (0.107 R)
• M14: 7,153,321 km (0.078 R)
• M15: 8,286,076 km (0.12 R)
• M16: 10,074,818 km (0.074 R)
• M17: 13,863,085 km (0.05 R)
• M18: 14,448,761 km (0.118 R)
• M19: 14,720,281 km (0.048 R)
• M20: 15,669,330 km (0.118 R)
• M21: 16,539,840 km (0.076 R)
• M22: 18,440,630 km (0.096 R)
• M23: 20,210,672 km (0.099 R)
• M24: 20,687,441 km (0.049 R)
• M25: 22,090,968 km (0.117 R)

Asteroid Belt

Center: 7.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742

Radius: 5

Gravity: 29.68 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.41 AU - 8.95 AU

Year: 13962 Days

Day: 19.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,494,846 km

• M1: 89,160 km (0.05 R)
• M2: 286,480 km (0.108 R)
• M3: 576,101 km (0.09 R)
• M4: 1,353,711 km (0.066 R)
• M5: 1,892,263 km (0.082 R)
• M6: 2,290,044 km (0.051 R)
• M7: 2,952,314 km (0.053 R)
• M8: 6,771,548 km (0.118 R)
• M9: 8,259,298 km (0.036 R)
• M10: 9,053,663 km (0.092 R)
• M11: 9,843,540 km (0.096 R)
• M12: 11,924,895 km (0.114 R)
• M13: 12,235,460 km (0.094 R)
• M14: 16,091,046 km (0.081 R)
• M15: 18,128,270 km (0.098 R)
• M16: 19,293,488 km (0.106 R)
• M17: 30,235,974 km (0.081 R)
• M18: 46,508,781 km (0.102 R)
• M19: 48,055,174 km (0.104 R)
• M20: 48,683,186 km (0.115 R)
• M21: 53,737,350 km (0.063 R)
• M22: 57,352,682 km (0.106 R)
• M23: 59,851,116 km (0.104 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 14,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit