🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.58 AU - 0.62 AU

Year: 300 Days

Day: 20.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.55 AU - 0.67 AU

Year: 308 Days

Day: 38.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.8

Radius: 14

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.02 AU - 1.14 AU

Year: 725 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 59,157,112 km

• M1: 175,179 km (0.104 R)
• M2: 276,756 km (0.097 R)
• M3: 368,759 km (0.107 R)
• M4: 460,761 km (0.071 R)
• M5: 564,134 km (0.112 R)
• M6: 694,433 km (0.09 R)
• M7: 841,338 km (0.117 R)
• M8: 985,102 km (0.079 R)
• M9: 1,085,931 km (0.116 R)
• M10: 1,217,427 km (0.096 R)
• M11: 1,416,991 km (0.044 R)
• M12: 1,526,796 km (0.052 R)
• M13: 1,669,961 km (0.103 R)
• M14: 1,780,514 km (0.098 R)
• M15: 1,887,177 km (0.072 R)
• M16: 2,015,682 km (0.047 R)
• M17: 2,140,446 km (0.08 R)
• M18: 2,227,512 km (0.032 R)
• M19: 2,384,440 km (0.118 R)
• M20: 2,488,860 km (0.12 R)
• M21: 2,789,551 km (0.107 R)
• M22: 2,885,145 km (0.067 R)
• M23: 2,974,305 km (0.078 R)
• M24: 3,072,142 km (0.074 R)
• M25: 3,364,007 km (0.104 R)
• M26: 3,569,106 km (0.107 R)
• M27: 3,786,621 km (0.047 R)
• M28: 3,942,203 km (0.118 R)
• M29: 4,184,103 km (0.114 R)
• M30: 4,413,586 km (0.112 R)
• M31: 4,508,431 km (0.049 R)
• M32: 4,612,551 km (0.116 R)
• M33: 4,700,066 km (0.067 R)
• M34: 4,912,196 km (0.108 R)
• M35: 5,037,409 km (0.113 R)
• M36: 5,154,544 km (0.089 R)
• M37: 5,254,625 km (0.116 R)
• M38: 5,530,484 km (0.104 R)
• M39: 5,839,553 km (0.08 R)
• M40: 5,934,248 km (0.08 R)
• M41: 6,039,266 km (0.115 R)
• M42: 6,494,343 km (0.092 R)
• M43: 6,721,133 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 12.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.76 AU - 1.98 AU

Year: 1651 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 59,157,112 km

• M1: 155,881 km (0.109 R)
• M2: 250,876 km (0.104 R)
• M3: 409,749 km (0.061 R)
• M4: 535,411 km (0.078 R)
• M5: 651,050 km (0.117 R)
• M6: 783,444 km (0.119 R)
• M7: 940,522 km (0.116 R)
• M8: 1,031,178 km (0.084 R)
• M9: 1,213,538 km (0.099 R)
• M10: 1,372,860 km (0.06 R)
• M11: 1,494,782 km (0.104 R)
• M12: 2,099,457 km (0.105 R)
• M13: 2,365,591 km (0.084 R)
• M14: 2,567,249 km (0.054 R)
• M15: 2,763,671 km (0.082 R)
• M16: 3,276,493 km (0.102 R)
• M17: 3,610,694 km (0.096 R)
• M18: 3,732,766 km (0.072 R)
• M19: 3,881,167 km (0.102 R)
• M20: 4,018,947 km (0.066 R)
• M21: 4,145,656 km (0.094 R)
• M22: 4,402,965 km (0.09 R)
• M23: 4,560,042 km (0.115 R)
• M24: 5,055,810 km (0.092 R)
• M25: 5,331,070 km (0.103 R)
• M26: 5,710,600 km (0.107 R)
• M27: 6,200,981 km (0.115 R)
• M28: 6,318,266 km (0.06 R)
• M29: 6,495,839 km (0.062 R)
• M30: 6,690,017 km (0.109 R)
• M31: 6,855,771 km (0.105 R)
• M32: 7,176,210 km (0.103 R)
• M33: 7,454,611 km (0.085 R)
• M34: 7,658,065 km (0.064 R)
• M35: 7,831,598 km (0.073 R)
• M36: 7,958,756 km (0.04 R)
• M37: 8,054,499 km (0.106 R)
• M38: 8,457,516 km (0.104 R)
• M39: 8,784,836 km (0.114 R)
• M40: 9,016,413 km (0.053 R)
• M41: 9,774,426 km (0.075 R)
• M42: 9,997,327 km (0.095 R)
• M43: 10,169,813 km (0.096 R)
• M44: 10,482,921 km (0.052 R)
• M45: 10,746,363 km (0.112 R)
• M46: 11,172,268 km (0.11 R)
• M47: 11,423,293 km (0.113 R)
• M48: 11,603,858 km (0.04 R)
• M49: 12,390,593 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.7

Radius: 10.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.53 AU - 4.35 AU

Year: 5050 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 59,157,112 km

• M1: 270,174 km (0.096 R)
• M2: 465,848 km (0.092 R)
• M3: 641,476 km (0.034 R)
• M4: 775,067 km (0.111 R)
• M5: 918,830 km (0.095 R)
• M6: 1,012,030 km (0.113 R)
• M7: 1,096,403 km (0.098 R)
• M8: 1,195,885 km (0.038 R)
• M9: 1,404,275 km (0.118 R)
• M10: 1,540,858 km (0.103 R)
• M11: 1,696,290 km (0.062 R)
• M12: 1,946,867 km (0.107 R)
• M13: 2,068,939 km (0.101 R)
• M14: 2,583,406 km (0.027 R)
• M15: 2,667,330 km (0.099 R)
• M16: 2,752,302 km (0.091 R)
• M17: 2,820,817 km (0.061 R)
• M18: 2,977,297 km (0.04 R)
• M19: 3,101,014 km (0.117 R)
• M20: 3,190,474 km (0.117 R)
• M21: 3,280,831 km (0.119 R)
• M22: 3,353,685 km (0.09 R)
• M23: 3,594,388 km (0.074 R)
• M24: 3,707,484 km (0.094 R)
• M25: 4,132,192 km (0.106 R)
• M26: 4,471,032 km (0.112 R)
• M27: 4,654,139 km (0.06 R)
• M28: 5,006,742 km (0.032 R)
• M29: 5,737,976 km (0.067 R)
• M30: 6,071,280 km (0.094 R)
• M31: 6,967,222 km (0.054 R)
• M32: 7,061,468 km (0.107 R)
• M33: 7,490,814 km (0.081 R)
• M34: 7,684,394 km (0.113 R)
• M35: 7,953,371 km (0.066 R)
• M36: 8,931,591 km (0.119 R)
• M37: 9,974,139 km (0.091 R)
• M38: 10,455,844 km (0.089 R)
• M39: 10,672,312 km (0.112 R)
• M40: 11,137,412 km (0.061 R)
• M41: 11,247,815 km (0.055 R)
• M42: 11,358,518 km (0.081 R)
• M43: 11,581,119 km (0.107 R)
• M44: 11,917,864 km (0.08 R)
• M45: 12,314,747 km (0.108 R)
• M46: 12,629,651 km (0.109 R)
• M47: 12,773,564 km (0.101 R)
• M48: 13,267,237 km (0.116 R)
• M49: 13,708,102 km (0.068 R)
• M50: 14,634,412 km (0.084 R)
• M51: 14,725,218 km (0.025 R)
• M52: 15,396,164 km (0.083 R)
• M53: 15,580,917 km (0.051 R)
• M54: 16,421,358 km (0.06 R)
• M55: 16,610,151 km (0.081 R)
• M56: 17,597,048 km (0.109 R)
• M57: 17,822,492 km (0.093 R)
• M58: 18,276,222 km (0.103 R)
• M59: 18,701,080 km (0.05 R)
• M60: 20,062,122 km (0.117 R)
• M61: 20,398,866 km (0.082 R)
• M62: 20,771,515 km (0.096 R)
• M63: 20,907,649 km (0.109 R)
• M64: 21,420,470 km (0.099 R)
• M65: 21,730,288 km (0.114 R)
• M66: 22,214,985 km (0.099 R)
• M67: 22,458,829 km (0.091 R)
• M68: 22,843,595 km (0.095 R)
• M69: 23,159,994 km (0.066 R)
• M70: 23,442,585 km (0.081 R)
• M71: 23,584,254 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.5

Radius: 5.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.38 AU - 8.32 AU

Year: 14201 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 59,157,112 km

• M1: 247,734 km (0.09 R)
• M2: 335,398 km (0.072 R)
• M3: 402,568 km (0.11 R)
• M4: 499,806 km (0.087 R)
• M5: 660,325 km (0.071 R)
• M6: 816,655 km (0.071 R)
• M7: 878,439 km (0.095 R)
• M8: 1,006,794 km (0.11 R)
• M9: 1,062,145 km (0.106 R)
• M10: 1,477,578 km (0.04 R)
• M11: 1,617,751 km (0.081 R)
• M12: 1,829,582 km (0.111 R)
• M13: 2,008,202 km (0.088 R)
• M14: 2,106,787 km (0.037 R)
• M15: 2,919,552 km (0.117 R)
• M16: 3,047,608 km (0.068 R)
• M17: 3,112,234 km (0.117 R)
• M18: 3,663,203 km (0.114 R)
• M19: 4,189,937 km (0.091 R)
• M20: 4,243,942 km (0.052 R)
• M21: 4,334,449 km (0.065 R)
• M22: 4,834,106 km (0.092 R)
• M23: 5,274,223 km (0.07 R)
• M24: 5,312,968 km (0.028 R)
• M25: 5,548,286 km (0.083 R)
• M26: 5,667,216 km (0.067 R)
• M27: 5,867,228 km (0.074 R)
• M28: 6,543,710 km (0.052 R)
• M29: 6,859,362 km (0.062 R)
• M30: 7,029,754 km (0.08 R)
• M31: 7,835,936 km (0.055 R)
• M32: 7,902,508 km (0.107 R)
• M33: 7,947,088 km (0.05 R)
• M34: 8,216,065 km (0.087 R)
• M35: 8,556,400 km (0.099 R)
• M36: 10,619,953 km (0.085 R)
• M37: 11,693,766 km (0.12 R)
• M38: 11,922,950 km (0.047 R)
• M39: 12,333,896 km (0.068 R)
• M40: 12,489,178 km (0.064 R)
• M41: 12,959,065 km (0.03 R)
• M42: 13,567,779 km (0.104 R)
• M43: 13,862,337 km (0.092 R)
• M44: 14,240,072 km (0.117 R)
• M45: 14,402,984 km (0.09 R)
• M46: 14,457,437 km (0.089 R)
• M47: 15,310,295 km (0.062 R)
• M48: 15,644,796 km (0.059 R)
• M49: 16,463,096 km (0.084 R)
• M50: 17,643,573 km (0.095 R)
• M51: 17,847,774 km (0.099 R)
• M52: 17,994,081 km (0.06 R)
• M53: 18,702,277 km (0.11 R)
• M54: 19,209,414 km (0.047 R)
• M55: 19,389,530 km (0.118 R)
• M56: 19,479,737 km (0.061 R)
• M57: 19,540,025 km (0.034 R)
• M58: 19,630,532 km (0.082 R)
• M59: 20,176,265 km (0.079 R)
• M60: 20,237,301 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.8

Radius: 7.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.74 AU - 11.3 AU

Year: 23620 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 59,157,112 km

• M1: 165,156 km (0.102 R)
• M2: 660,774 km (0.102 R)
• M3: 737,667 km (0.052 R)
• M4: 900,729 km (0.111 R)
• M5: 1,167,462 km (0.104 R)
• M6: 2,251,747 km (0.114 R)
• M7: 2,430,367 km (0.108 R)
• M8: 2,675,857 km (0.119 R)
• M9: 3,059,127 km (0.047 R)
• M10: 3,124,651 km (0.087 R)
• M11: 4,494,967 km (0.08 R)
• M12: 4,911,298 km (0.036 R)
• M13: 5,619,046 km (0.063 R)
• M14: 5,861,993 km (0.073 R)
• M15: 5,984,812 km (0.105 R)
• M16: 6,232,995 km (0.117 R)
• M17: 6,400,246 km (0.109 R)
• M18: 6,569,142 km (0.113 R)
• M19: 6,782,319 km (0.11 R)
• M20: 6,868,188 km (0.109 R)
• M21: 8,428,942 km (0.113 R)
• M22: 8,521,394 km (0.117 R)
• M23: 8,894,341 km (0.11 R)
• M24: 9,035,711 km (0.094 R)
• M25: 10,989,160 km (0.098 R)
• M26: 11,702,593 km (0.092 R)
• M27: 11,961,098 km (0.116 R)
• M28: 13,281,598 km (0.099 R)
• M29: 13,335,304 km (0.103 R)
• M30: 13,443,164 km (0.111 R)
• M31: 14,260,716 km (0.037 R)
• M32: 14,315,768 km (0.094 R)
• M33: 14,647,726 km (0.033 R)
• M34: 16,057,985 km (0.109 R)
• M35: 17,275,712 km (0.103 R)
• M36: 18,643,335 km (0.071 R)
• M37: 18,884,637 km (0.085 R)
• M38: 19,187,872 km (0.117 R)
• M39: 19,553,788 km (0.066 R)
• M40: 19,614,974 km (0.088 R)
• M41: 19,676,309 km (0.063 R)
• M42: 20,230,718 km (0.118 R)
• M43: 20,790,214 km (0.115 R)
• M44: 21,354,946 km (0.094 R)
• M45: 22,307,137 km (0.06 R)
• M46: 22,820,706 km (0.041 R)
• M47: 23,208,314 km (0.119 R)
• M48: 24,318,630 km (0.039 R)
• M49: 24,516,398 km (0.111 R)
• M50: 26,049,926 km (0.08 R)
• M51: 28,165,539 km (0.034 R)
• M52: 29,419,169 km (0.042 R)
• M53: 29,841,035 km (0.088 R)
• M54: 31,190,258 km (0.056 R)
• M55: 31,908,328 km (0.119 R)
• M56: 33,068,460 km (0.08 R)
• M57: 33,433,927 km (0.078 R)
• M58: 33,653,836 km (0.106 R)
• M59: 34,316,256 km (0.073 R)
• M60: 34,760,412 km (0.078 R)
• M61: 34,834,612 km (0.078 R)
• M62: 35,206,363 km (0.119 R)
• M63: 35,504,811 km (0.105 R)
• M64: 35,878,955 km (0.051 R)
• M65: 36,179,198 km (0.03 R)
• M66: 36,254,446 km (0.073 R)
• M67: 36,404,941 km (0.06 R)
• M68: 36,782,227 km (0.052 R)
• M69: 37,085,013 km (0.1 R)
• M70: 38,457,723 km (0.101 R)
• M71: 40,703,935 km (0.077 R)
• M72: 40,782,175 km (0.03 R)
• M73: 41,409,738 km (0.074 R)
• M74: 41,724,641 km (0.119 R)
• M75: 43,151,805 km (0.108 R)
• M76: 43,471,196 km (0.035 R)
• M77: 44,353,375 km (0.109 R)
• M78: 47,117,196 km (0.12 R)
• M79: 47,446,012 km (0.118 R)
• M80: 48,271,343 km (0.072 R)
• M81: 48,519,825 km (0.079 R)
• M82: 48,851,933 km (0.069 R)
• M83: 49,601,717 km (0.113 R)
• M84: 49,768,968 km (0.097 R)
• M85: 49,852,593 km (0.061 R)
• M86: 51,366,224 km (0.104 R)
• M87: 52,809,544 km (0.05 R)
• M88: 53,236,646 km (0.034 R)
• M89: 54,180,160 km (0.054 R)
• M90: 54,352,347 km (0.073 R)
• M91: 55,042,741 km (0.109 R)
• M92: 55,215,676 km (0.069 R)
• M93: 56,694,003 km (0.055 R)
• M94: 57,306,456 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 18,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit